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ENTJ75 / ENTJ76 / ENTJ77 / ENTJ78 SERVICE GUIDE ...
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Revision History Please refer to the table be low for th e updates made on the ENT J75 / ENTJ 76 / ENTJ77 / ENTJ78 service guide. Service guide files and updates are available on the ACER/CSD web. For more info rmation, refer to ht tp://csd.acer .com.tw Copyright © 2009 Packard Bell is a registered trademark of Packard Bell BV . All rights reserve ...
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Contents i Chapter 1: System specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 General information . . ...
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Contents ii Navigating the BIOS setup utility . . . . . . . . . . . . . . . . . . . . . . . 29 BIOS setup utility menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 BIOS recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Creating the Crisis Recovery disk . . . . . . . . . . . . . ...
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iii www.packardbell.com Chapter 4: Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Diagnosing problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 System test procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Testing the optical dr ...
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Contents iv ...
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CHAP TER 1 1 System specifications • Preface • Features • System block diagram • Hardware specificati ons and configurations • Notebook product tour ...
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CHAPTER 1: System specifications 2 Preface Conventions The following conventions ar e used in this manual: General information Before using this info rmation and the pr oduct it supp orts, rea d the following general information. This service guide provides you with all te chnical infor mation relating to the ba sic configuration decided fo r Acer ...
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www.packardbell.com 3 Features Platform • Processor • Intel Core i3 Proc essors: 33 0M (2.13 GHz), M620 (2.5 G Hz), 350M (2.26 GHz) • Intel Core i5 Proc essors: 43 0M (2.26 GHz), 520M (2.4 GHz), 540M (2.53 GHz) • Intel Core i7 Proc essors: 62 0M (2.66 GHz) • Core logic: Mobile Inte l HM55 Express Chipset • Wireless: Intel WiFi Link 5300 ...
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CHAPTER 1: System specifications 4 Input devices • 99-, 100-, or 10 3-key keyboar d, 2.5 mm (minimum) key travel • T welv e function keys , four cursor keys, two Wind ows ® keys • T ouchpad pointing device • Capacitive touch keys Audio • T wo built-in stereo speake rs • Built-in micr ophone on webcam • Realtek ALC272 codec • Suppor ...
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www.packardbell.com 5 Physical specifications • Dimensions: 372 × 259 × 26 / 37 mm (14.65 × 10.2 × 1.02 / 1.46 in) • Weight: 3.1 kg (6.83 lb) Environment al specificatio ns • T emperature • Operating: 32 °F to 90 °F (0 °C to 35 °C) • Non-operating: -4 °F to 14 0 °F (-20 °C to 60 °C) • Humidity (non-conde nsing) • Operating ...
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CHAPTER 1: System specifications 6 System block diagram ...
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www.packardbell.com 7 Hardware specifications and configurations CPU Controllers BIOS Item S pecifica tion CPU type n Intel Core i3 Processors: 330M (2.13 GHz), M620 (2.5 GHz), 350M (2.26 GHz) n Intel Core i5 Processors: 430M (2.26 GHz), 520M (2.4 GHz), 540M (2.53 GHz) n Intel Core i7 Processors: 620M (2.66 GH z) Core logic Mobile Intel HM55 Expres ...
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CHAPTER 1: System specifications 8 Memory Supported protocols n ACPI 1.0b/2.0/3.0 compliance n PCI 2.2 n System/HDD password n Security Control n INT 13H Extensions n PnP BIOS 1.0a SMBIOS 2.4 n BIOS Boot S pecification n Simple Boot Flag 1.0 n Boot block n PCI Bus Power Management Interface S pecification n USB S pecification 1.1/2.0 n IEEE 1394 1. ...
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www.packardbell.com 9 Hard disk drive Optical drive Item Models Seagate ST9160314AS To s h i b a MK1655GSX HGST HTS545016B9A 300 WD WD1600BEVT- 22ZCTO Seagate ST925031 5AS To s h i b a MK2555GSX HGST HTS545025 B9A 300 WD WD2500BEVT -22Z CT0 Seagate ST9320325AS T oshiba MK3263GSX HGST HTS545032B9A 300 WD WD3200BEVT -22Z CT0 Seagate ST9500325AS To s ...
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CHAPTER 1: System specifications 10 LCD Applicable disc format CD: CD-DA, CD-ROM, CD-ROM XA, Photo CD (multi -session), Video CD, Cd-Extra (CD+), CD-text DVD: DVD-VIDEO, DVD-ROM, DVD-R (3.9GB, 4. 7GB) DVD-R DL, DVD-RW , DVD-R AM, DVD+R, DVD+R DL, DVD+RW CD: CD-DA (Red Book) - St andard Audio CD & CD-TEXT CD-ROM (Y ellow Book Mode1 & 2) - S ...
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www.packardbell.com 11 Keyboard Pointing device Memory card reader Response time (msec) 8 Nominal input voltage VDD +3.3V Viewing angle (degree) Horizontal: Right/Left V ertical: Upper/Lower 45/45 15/35 T emper ature range( C) Operating S torage (shipping) 0 to +50 -40 to +60 Item S pecificat ion Keyboard controller Winbond WPC773 T otal number of ...
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CHAPTER 1: System specifications 12 Audio Wired LAN Bluetooth Item S pecification Audio codec Realtek ALC272 Audio onboard or optional Built-in Mono or stereo S tereo Resolution 24-bit DAC and ADC Compatibility HD Audio Sampling rate 192 kHz maximum sample rate Internal microphone With webcam Internal speaker/quantity 2 speakers Item S pecification ...
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www.packardbell.com 13 Wireless LAN USB Buttons/Indicators/Ports Item S pecificat ion Chipset n Intel WiFi Link 5100 n Intel WiFi Link 5300 n Atheros AR5B91/HB93 b/g/n n Atheros XB63 b/g n WNC WiMAX Data throughput 1 1~54 Mbps, up to 270 Mbps for Draft-N Protocol n IEEE 802.1 1a n IEEE 802.1 1b n IEEE 802.1 1g n IEEE 802.1 1 Draft-N n IEEE 802.16e ...
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CHAPTER 1: System specifications 14 Camera Fans Throttling 50%: % is controlled by operati ng system. T emper ature point is 95 °C. OS sh ut down at 100 °C; H/W shut down at 105 °C Battery Item S pecification Model Chicony 0.3M DV Calla / Camellia Interface USB 2.0 Resolution 0.3 M pixels (640x480) Signal to noise ratio 42 dB Sensor CMOS 1/4 Pow ...
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www.packardbell.com 15 Power supply Power savings Item S pecificat ion V endor n Delt a n Liteon n Hipro Input rating 90V AC to 264 V AC, 47Hz to 63Hz Maximum input AC current 1.7A (max) Output rating 19V DC, 3.42A, 65W ACPI mode Pow er Management Mech. Off (G3) All devices in the notebook are turned off completely . Soft Off (G2/S5) OS initiated s ...
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CHAPTER 1: System specifications 16 Notebook product tour Front V iew Left V i ew Important Case color may vary from that shown in the pictures. Component Icon Description V entila tion fan Helps cool internal components. W arning: Do not work with the notebook resting on your lap. If the air vents are blocked, the notebook may become hot enough to ...
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www.packardbell.com 17 Right V iew USB port Plug USB devices (such as a disk ette drive, flash drive, printer , scanner , camera, keyboard, or mouse) into these ports. Microphone jack Plug a microphone into this jack. Headphone jack Plug amplified speakers or head phones into this jack. The built-in speakers are turned off when speakers or headphon ...
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CHAPTER 1: System specifications 18 Rear V iew Bottom V iew Component Icon Description V entila tion fan Helps cool internal components. W arning: Do not work with the notebook resting on your lap. If the air vents are blocked, the notebook may become hot enough to harm your skin. Caution: Do not block or insert objects into these slots. If these s ...
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www.packardbell.com 19 Keyboard area Hard drive bay The hard drive is located in this bay . V entilation slots and cooling fan Helps cool internal components. W arning: Do not work with the notebook resting on your lap. If the air vents are blocked, the notebook may become hot enough to harm your skin. Caution: Do not block or insert objects into t ...
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CHAPTER 1: System specifications 20 LCD p anel T ouchpad Provides all the f unctionality of a mouse. For more information, see “Using the touchpad” on page 25 . Capacitive touch keys Press to access capacitive touch key fun ction. For more information, see “Using the capacitive touch keys” on page 24 . Component Icon Description Webcam Use ...
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www.packardbell.com 21 Using the status indicators S tatus indicators inform you when a drive is being used or when a button has been pressed that af fects h ow the keyboard is used. The st atus indicators are located below the screen. Using the keyboard Y our notebook features a full-size keyboard that functio ns the same as a desktop computer key ...
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CHAPTER 1: System specifications 22 Key types The keyboard has several d iffer ent types of keys. Some keys perform specific actions when pressed a lone and other actions when pressed in combination with another key . System key combinations When you pres s the F N key and a system key at the sa me time, your notebook performs the action identified ...
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www.packardbell.com 23 T urn the optional Bluetooth ra dio on or off. W arning: Radio frequency wireless communication can interfere with equipment on commercial aircraft. Current aviation regulations require wireless devices to be turned off while trave ling in an airplane. Bluetooth communication devices are examples of devices that provide wirel ...
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CHAPTER 1: System specifications 24 Using the capacitive touch keys Button Description PowerSave key—Press to put the notebook into power-saving mode. The button lights up red when this happens. Press this key again to return to your previous settings. Programmable key—The programmable key will run the Launch Manager , you can assign an applica ...
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www.packardbell.com 25 Using the touchpad When you move your finger on the touchp ad, the pointer (arrow) on th e screen moves in the same direction. Y ou c an use the scr oll zone to scroll thr ough documents. Use of the scroll zone may vary from program to pr ogram. Y ou can use the left and right buttons below the touchpad to selec t objects. T ...
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CHAPTER 1: System specifications 26 Using the webcam Y ou can use the optional webcam wi th many of the a vailable Internet chat programs to add vide o and audio to your cha t session. In addition, by using the software in cluded with the webcam, you ca n t ake pictur es or create video clip s. S t art a program or open a file or folder . Position ...
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CHAP TER 2 27 System utilities • BIOS setup utility • BIOS recovery • Clearing a BIOS password • Unlocking the hard drive ...
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CHAPTER 2: System utilities 28 BIOS setup utility The BIOS setup utility is a hardware configur ation program built in to the notebook’s BIOS (Basic Input/Output System). Th e notebook was shipped already pr operly configured and op timized. However , if the user enco unters configurat ion problems, you may need to run Setup. T o run the BIOS Set ...
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www.packardbell.com 29 Navigating the BIOS setup utility Use the keys listed in th e legend bar on the bottom of th e Setup screen to work your way through the vario us menu and subme nu screens. T o use the BIOS setup utility: • T o choose a menu, use the lef t ← and right → arrow keys. • T o choose an item, use the up ↑ an d down ↓ a ...
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CHAPTER 2: System utilities 30 Information The Information men u displays a summary of your computer hard ware information. These information are ne cessary for troubleshooting and may be requir ed when asking for technical suppo rt. Parameter Descript ion CPU T y pe Displays the processor model and speed. CPU S peed Displays the processor speed. I ...
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www.packardbell.com 31 Main Use the Main menu to set the system time and date , and other basic options. Parameter Descript ion Format/Opt ions System T ime Displays the system ti me. The time is expressed in a 24-hour format. HH:MM:SS (hour:minute:second) System Date Displays t he system date. MM/DD/YYYY (month/day/ year) T otal Memory Displays th ...
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CHAPTER 2: System utilities 32 Security Use the Security menu option to set syst em passwords to protect yo ur computer from unaut horized use. . D2D Recovery Enables or disable s the D2D Recovery function. This function a llows the user to create a hidden partition on the hard drive to store the operation system. User can then use this partitio n ...
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www.packardbell.com 33 Setting a password Note the followin g reminders before you def ine a system password: • The maximum length of p assword cont ains 8 alphanum eric characters. • System passwords are case-insensitive. • When typing the p assword, only shad ed blocks representing ea ch typed character are visible. T o set a sup ervisor pa ...
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CHAPTER 2: System utilities 34 3 Retype the password to verify the fi rst entry , then pr ess Enter . Y ou will be prompted to save the new password. 4 Press Enter . 5 Press F10 to save the password and close the Setup Utility or you can proceed to se tting a user p assword. T o set a user p assword: 1 Press ↑ or ↓ to highlight Set User Passwor ...
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www.packardbell.com 35 Removing a passwo rd T o remove a p assword: 1 Press ↑ or ↓ to highlight the Set Supervisor Password or Set User Password field, then press Enter . The Set Supervisor Password or Set User Password box opens. 2 T yp e the current passwor d, then pres s Enter . 3 Press Enter twice without entering anythi ng in the new and c ...
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CHAPTER 2: System utilities 36 Boot Use the Boot menu to set the preferred driv e sequence in whic h the Setup utility attempts to bo ot the operating system. T o set boot drive sequence : 1 Press ↑ or ↓ to highlight a boot able device. 2 Press F5 or F6 to move the selected device up or down the boo t sequence. 3 Press F10 to save the changes y ...
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www.packardbell.com 37 Exit The Exit menu screen lists options for quitting from the Setup Utility . Option Description Exit Saving Changes Save s changes made and closes the Setup utility . Keyboard shortcut: F10 Exit Discarding Changes Discards changes made and closes the Setup utili ty . Load Setup Default Lo ads the factory-default settings for ...
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CHAPTER 2: System utilities 38 BIOS recovery An interruption during a BIOS flash p roc edure (e .g. a powe r out age) can corr upt the BIOS co de, which will cause the sy stem to go into an unbootable stat e. Y ou need to access and execute the boot blo c k program to reboot the com puter and recover the regular BIOS code. Creating the Crisis Recov ...
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www.packardbell.com 39 Running the Flash utility: T o run the Flash utility: 1 Rename the BIOS f ile as “XXXXXXX.FD”. 2 Copy the “XXXXXXX.FD” file to a bootable USB device containing the Crisis Recovery disk files. 3 T urn of f the computer . 4 Insert the USB device cont aining the re named BIOS file and the Cr isis Recovery disk files to a ...
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CHAPTER 2: System utilities 40 Clearing a BIOS p assword T o clear a lost BIOS password (user or supervisor passwo rd) you need to short the clear p assword hardware gap (G102) located on the system b oard. T o clear a BIOS password: 1 T urn of f the notebook and unplug all the periph erals connected to it. 2 Complete the steps in “Re moving the ...
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www.packardbell.com 41 Unlocking the hard drive T o regain access to your computer if you lose the HDD password, you ne ed to generate a master password and unlock the h ard drive. T o unlock a hard drive: 1 Open the computer in a DOS environmen t. 2 T ype the following command: A> unlock6 XXXXX 00 3 Press Enter to display the command options. ...
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CHAPTER 2: System utilities 42 ...
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CHAP TER 3 43 Replacing notebook components • Preventing static electricity dischar ge • Preparing the work space • Required tools • Preparing the notebook • Adding or replacing memory modules • Replacing the wireless card • Replacing the hard drive • Replacing the optical drive • Replacing the keyboard cover • Replacing the mul ...
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CHAPTER 3: Replacing n otebook component s 44 Preventing st atic electricity discharge The component s inside your note book are ex tremely sensitive to st atic electricity , also known as electrostatic discharge (ESD). Before performing maintenance on the noteb ook, follow these guidelines: • Avoid static-causing s urfaces such as carpeted floor ...
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www.packardbell.com 45 Prep aring the work sp ace Before performing maintenance on th e notebook, make sure that your work sp ace and the notebook are correctly prep ared. • Wear a gr ounding (ESD) wr ist strap, and use a gr ounded or dissip ative work mat. • Use a sturdy t able. Make sure that the t able top is wide enough to h old each compon ...
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CHAPTER 3: Replacing n otebook component s 46 Required tools T o disassemble the notebook, you need the following tools: • Wrist gr ounding strap ( for ESD prevention) • Conductive m at (for ESD preven tion) v • Flat screwdriv er v • Phillips screwdriver v • Non-marring p lastic scribe v ...
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www.packardbell.com 47 Prep aring the notebook T o prepare the noteboo k for maintenance: 1 Make sure that the optic al disc drive is emp ty . 2 T urn of f the notebook. 3 C lose the LCD panel. 4 Disconnect th e AC adapter . 5 Disconnect the network cable and all peripheral de vices connected to the notebook. 6 Make sure ther e is no memory ca rd o ...
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CHAPTER 3: Replacing n otebook component s 48 Removing the battery T o remove the battery: 1 T urn the noteb ook over so the base is facing up. 2 Slide the battery lock to the u nlocked position. 3 Slide the battery release latch (a ) , then remove the b attery out of the notebook (b) . Note The battery is highlighted with a yellow circle in the ab ...
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www.packardbell.com 49 Removing the bay cover T o remove or replace component s located on the lower bay , you need to remove the bay cover first. T ools you need to complete this task: T o remove the bay cover: 1 Complete the steps in “Prepar ing the notebo ok” on pag e 47 . 2 T urn the n otebook over so the base is facing up. 3 Loosen the bay ...
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CHAPTER 3: Replacing n otebook component s 50 Adding or replacing memory modules T ools you need to complete t his t ask: T o add or replace memory module s: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Complete the steps in “Removing the bay cove r” on page 49 . 3 If you are replacing a memory module, go to ste p 4 . I ...
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www.packardbell.com 51 6 Insert the new memory module at a 30° angle into an empty memory slot, and then press it down until it clicks into place. The module is ke yed so it can on ly be inserted in one direction . If the module does not fit, make sure tha t the notch in the module lines up with the t ab in the memory slot. 7 Reinstall the bay cov ...
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CHAPTER 3: Replacing n otebook component s 52 Replacing the wireless card T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (wireless card) T o replace the wireless card: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Complete the steps in “Removing the bay cove r” on page 49 . ...
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www.packardbell.com 53 6 Remove th e screw se curing the wir eless car d. 7 Pull the card out of the slot. 8 Insert the new wireless car d at a 30° angle into the em pty Mini Card slot. The card is keyed so it can only be inse rted in one direction. If the card does not fit, make sure that the notch in the card lines u p with the tab in the car d ...
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CHAPTER 3: Replacing n otebook component s 54 Replacing the hard drive T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 2 chrome M3×3 ( hard drive bracke t) T o replace the hard drive: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Complete the steps in “Removin ...
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www.packardbell.com 55 5 If your new hard drive alrea dy includes the hard dr ive bracket, go to step 8 . If you need to use the bracket from the o ld hard drive, go to step 6 . 6 Remove the screws that secure the har d drive bracket, and then det ach the bracket from the drive. 7 Place the bracket on the new drive and se cure it with the t wo scre ...
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CHAPTER 3: Replacing n otebook component s 56 Replacing the optical drive T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2.5×6 (optical drive) • 1 chrome M2×3 ( optical drive bracket) T o replace the optical drive: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Complete the steps ...
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www.packardbell.com 57 5 If your new optical drive already has it’s own bracket and bezel, go to step 10 . If you need to use the bracket and bezel from the old optical drive, perfor m steps 6 – 9 as necessary . 6 Detach the b ezel from the old optical drive. 7 Remove the screws that secure the optical drive bracket, and then det ach the bracke ...
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CHAPTER 3: Replacing n otebook component s 58 Replacing the keyboard cover T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) T o replace the keyboard cover: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Complete the steps in “Re moving the battery” on p age ...
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www.packardbell.com 59 6 Detach the keyboard cover from the palm re st assembly and turn it over the keyboard to access its underside (a) . Open the multimedia board cable connector (b) and disconnect the ca ble (c) . 7 If you will be using the multimedia boar d from the old keyboa rd cover , remove it by performing step s 3 and 4 of the “Rep lac ...
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CHAPTER 3: Replacing n otebook component s 60 Replacing the multimedia board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) T o replace th e multimedia bo ard: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Remove the k eyboard cover by perform ing steps 2 – ...
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www.packardbell.com 61 5 Secure the new multimedia b oard, with the connecto r facing up, on the keyboard cover . 6 Insert the multimedia cable to it s connector on the multimedia boa rd, then close the clip to lock the cable in place. 7 Insert the tabs on the front side of th e keyboard cover into the slot s located on the top corner s of the p al ...
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CHAPTER 3: Replacing n otebook component s 62 Replacing the keyboard T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) T o replace the keyboard: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Remove the k eyboard cover by perform ing steps 2 – 6 of the “Repla ...
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www.packardbell.com 63 5 Insert the ret aining t abs of the new keyboard in to the slot s located on the top side of the touchp ad area. 6 Reach underneath the keyboard and insert the keyboa rd cable to its syste m board connector , then close the clip to lock the cable in place. 7 Gently press the keyboard down un t il it is flat all the way acros ...
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CHAPTER 3: Replacing n otebook component s 64 Replacing the LCD p anel assembly T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinges - bo ttom) • 2 black M2.5×6+Nylok (L CD panel h inges - top) T o replace the LCD panel as sembly: 1 Complete the s ...
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www.packardbell.com 65 6 T urn th e notebook over again so the p alm rest is facing up. 7 Disconnect the LCD, webcam, and microph one cables from their system bo ard connectors. 8 Release the LCD, we bcam, and microphone cab les from their latches. 9 If the notebook h as a wireless card in st alled, note the antenna cable routin g for later referen ...
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CHAPTER 3: Replacing n otebook component s 66 10 Release the antenna ca bles from their p alm rest latches, and then pull them out from und erneath the computer . 11 Disconnect the power button board cable from its system board connector , and then release it from its palm rest latches. 12 Carefully open th e LCD panel to its fully extended positio ...
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www.packardbell.com 67 15 Lift the LCD panel assembly up and a way from the n otebook. 16 Position the new LCD panel assembly on the notebook, and then se cure it with the hinge screws removed in step 14 . 17 If the notebook h as a wireless card inst alled, proceed to step 18 to arrang e the antenna cables. If there’ s no wireless card inst alled ...
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CHAPTER 3: Replacing n otebook component s 68 Replacing the p alm rest T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinges - bo ttom) • 2 black M2.5×6+Nylok (L CD panel h inges - ...
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www.packardbell.com 69 5 Remove the optical drive screw . 6 Remove the keyboard cover by performin g steps 2 – 6 of the “R eplacing the keyboard cover” procedure on page 5 8 . 7 Remove the keyboar d by performing steps 3 a nd 4 of the “Replacing the keyboard” procedure on page 62 . 8 Remove the LC D panel assembly by pe rforming ste ps 5 ...
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CHAPTER 3: Replacing n otebook component s 70 11 Open the touchp ad cabl e connector (a) and disconnect the cable from the system board (b) . 12 T urn the noteb ook over so the base is facing up. 13 Remove the screws securin g the palm rest on the base side. 14 T urn the noteb ook over again so the palm rest is facin g up. 15 Remove the s crews sec ...
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www.packardbell.com 71 16 Locate the small gap s on the top side of the palm r est and insert a small flat-blade screwdriver or non-ma rring scribe into each gap to sep arate the palm rest from the base enclosure. 17 Once the top side is sep arated, pry loo se the lef t and right sides of the pa lm rest, and finally the bo ttom side until all the p ...
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CHAPTER 3: Replacing n otebook component s 72 Replacing the speakers T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinges - bo ttom) • 2 black M2.5×6+Nylok (L CD panel h inges - to ...
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www.packardbell.com 73 5 Remove the speaker screws. 6 Release the speaker cab le from the palm r est, and then remove the speakers. 7 Position the new speake rs on the palm rest. 8 Secure the speakers with the scr ews removed in step 5 and cover it with the tape th at was detache d in step 4 . 9 Secure the spe aker cable on th e palm rest latches 1 ...
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Acer ENTJ75 - page 80
CHAPTER 3: Replacing n otebook component s 74 Replacing the touchp ad board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinge - b ottom) • 2 black M2.5×6+Nylok (L CD panel hi nge ...
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Acer ENTJ75 - page 81
www.packardbell.com 75 5 Remove the touchp ad cable from the palm rest. 6 Peel of f the t ape protectin g the touchp ad board. 7 Note the orientation of the touchpad board for later reference in installing the new touchpad boar d. ...
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Acer ENTJ75 - page 82
CHAPTER 3: Replacing n otebook component s 76 8 Insert a small flat-blade screwdriver or n on-marring scribe b etween the touchpad bo ard and the p alm rest’ s undersid e, and carefully pry the board loose. 9 Remove the touchp ad board from the palm rest. 10 Observing the same orient ation as the old touchp ad board, secure the new board on the p ...
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Acer ENTJ75 - page 83
www.packardbell.com 77 Replacing the modem board T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing e - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinge - top) • 10 M2.5×6 black (pa ...
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Acer ENTJ75 - page 84
CHAPTER 3: Replacing n otebook component s 78 8 Disconnect the modem cable from th e modem board. 9 Remove the m odem boar d screw . 10 Remove the old modem boa rd from the system boa rd. ...
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Acer ENTJ75 - page 85
www.packardbell.com 79 11 Connect the modem cable to the new mo dem board, and then att ach to board to its system board connector . 12 Secure the new modem b oard with the screw remove d in step 9 . 13 Reinstall the p alm rest by performing step s 19 – 21 of the “Replacing the palm rest” procedure on p age 68 . 14 Reinstall the LCD p anel as ...
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Acer ENTJ75 - page 86
CHAPTER 3: Replacing n otebook component s 80 Replacing the USB board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinge - b ottom) • 2 black M2.5×6+Nylok (L CD panel hi nge - top ...
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Acer ENTJ75 - page 87
www.packardbell.com 81 6 Remove the optical drive screw . 7 Remove the p alm rest by performin g steps 6 – 18 of the “Replacing the p alm rest” procedure on p age 68 . 8 Disconnect the USB board and mo dem boa rd cables fro m the USB board. 9 Remove the USB boar d screw . 10 Remove the USB board fro m the base enclosure. ...
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Acer ENTJ75 - page 88
CHAPTER 3: Replacing n otebook component s 82 11 Place the new USB boar d in the base en closure a nd secure it with the screw removed in st ep 9 . 12 Connect the USB board a nd modem board cables to the new USB b oard. 13 Reinsta ll the palm rest by pe rforming step s 19 – 21 of the “Replacing the p alm rest” procedure on page 6 8 . 14 Reins ...
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Acer ENTJ75 - page 89
www.packardbell.com 83 Replacing the Bluetooth module T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing e - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinge - top) • 10 M2.5×6 blac ...
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Acer ENTJ75 - page 90
CHAPTER 3: Replacing n otebook component s 84 6 Remove the optical drive screw . 7 Remove the palm rest by performing steps 6 – 18 of the “Repla cing the pa lm rest” procedure on page 6 8 . 8 Disconnect the Bluetooth cab le from the Bluetooth mo dule. 9 Release the Bluetooth modu le from the tabs secur ing it. ...
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Acer ENTJ75 - page 91
www.packardbell.com 85 10 Secure the new Bluetooth module on the base enclo sure and co nnect the Bluetooth cable to it. 11 Reinstall the p alm rest by performing step s 19 – 21 of the “Replacing the palm rest” procedure on p age 68 . 12 Reinstall th e LCD panel assembly by perfor ming steps 16 – 23 of the “Replacing the LCD p anel assemb ...
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Acer ENTJ75 - page 92
CHAPTER 3: Replacing n otebook component s 86 Replacing the system board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinge - b ottom) • 2 black M2.5×6+Nylok (L CD panel hi nge - ...
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Acer ENTJ75 - page 93
www.packardbell.com 87 9 Disconnect th e USB board cable fr om its system board connector . 10 Remove the system bo ard screw . 11 Carefully remove the system board from the b ase enclosure. Note A circuit board that is >10 cm 2 h as been highlighted with a yellow rectangle as shown in the previous image. F ollow the local regulations for dispos ...
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Acer ENTJ75 - page 94
CHAPTER 3: Replacing n otebook component s 88 12 T urn the system board over an d remove the cooling assembly by performing steps 4 – 7 of the “Replacing the cooling assembly” procedure on page 89 . 13 If your new system board does not include a processor , remov e the processor from the old system board and install it on the new system board ...
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Acer ENTJ75 - page 95
www.packardbell.com 89 Replacing the cooling assembly T ools you need to complete this task: Additional materials you need to complete this task: • Soft cloth and i sopropyl alcohol; o r alcohol p ad • Thermal grease Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo a ...
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Acer ENTJ75 - page 96
CHAPTER 3: Replacing n otebook component s 90 5 Loosen the sprin g-loaded captive scre ws securing the cooling assembly . Follow the screw sequence indi cate d on the below imag es. 6 Remove the cooling assem bly from the system board . 7 Lay the cooling assembly d own in an upright position to avoid t ainting your work space with therm al grease. ...
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Acer ENTJ75 - page 97
www.packardbell.com 91 8 Remove the bar code sticker on top of the processor . 9 Moisten a soft cloth with iso propyl al cohol and clea n the proces sor die to remove any thermal grea se residue. Wipe the die surface several times to make sure that no p articles or dust cont aminant s are evident. Allow the alcohol to evaporate before co ntinuing. ...
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Acer ENTJ75 - page 98
CHAPTER 3: Replacing n otebook component s 92 Replacing the processor T ools you need to complete t his t ask: Additional material s you need to co mplete this task: • Soft cloth and isopropyl alcohol; or alcohol p ad • Thermal grease Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 bla ...
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Acer ENTJ75 - page 99
www.packardbell.com 93 4 Use a flat-bla de screwdriver to turn the processor lock screw counter-clockwise. 5 Remove the old p rocessor from the syste m board. 6 Align pin 1 of the new processo r (indicated by the gold ar row on the corner of the processor) with the b eveled corner of the processor socket. The processor will easily fit into the so c ...
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Acer ENTJ75 - page 100
CHAPTER 3: Replacing n otebook component s 94 15 Reinstall the optical dr ive by performing step s 10 and 11 o f the “Replacing the optical drive” proce dure on page 5 6 . 16 Reinstall the h ard drive by performing steps 8 a nd 9 of the “Replacing th e hard drive” procedu re on page 54 . 17 If you have disconne cted any wireless antennas, r ...
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Acer ENTJ75 - page 101
www.packardbell.com 95 Replacing the LCD front p anel T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinges - top) • 4 black M2.5? ...
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Acer ENTJ75 - page 102
CHAPTER 3: Replacing n otebook component s 96 4 Remove the LCD front p anel screws. 5 Remove the LCD hinge cover screws. 6 Carefully pry loose the fr ont pane l from the LCD assembly lid. S tart on the top side (a) , continue to the lef t and right sides (b) , and finally the bottom side (c) . ...
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Acer ENTJ75 - page 103
www.packardbell.com 97 7 Remove the front p anel. 8 Place the new front p anel on top of the L CD assembly lid. Make sure that the LCD, webcam, microphone, ante nna, and power button cables are proper ly routed on the hing e sides. 9 Press the front p anel on all sides until it snap s into place. Make sure that there is no gap the betwe en the fron ...
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Acer ENTJ75 - page 104
CHAPTER 3: Replacing n otebook component s 98 Replacing the webcam T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinges - bo ttom) • 2 black M2.5×6+Nylok (L CD panel h inges - top) ...
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Acer ENTJ75 - page 105
www.packardbell.com 99 5 Place the new webcam on the top side of the LCD assembly lid. 6 Reinstall th e LCD front panel by pe rforming step s 8 – 11 of the “Replac ing the LCD front p anel” procedure on page 95 . Make sure the webcam lens is aligned with camera pe ephole on the LCD front panel before you secure the p anel in place. 7 Reinstal ...
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Acer ENTJ75 - page 106
CHAPTER 3: Replacing n otebook component s 100 Replacing the LCD T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinges - bo ttom) • 2 black M2.5×6+Nylok (L CD panel h inges - top) ? ...
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Acer ENTJ75 - page 107
www.packardbell.com 101 5 Disconnect the webcam ca ble from the webcam bo ard. 6 Remove the LCD hinge screws. 7 Remove the LCD from the LCD assembly lid. 8 Lay the LCD on it s front to access the LCD-webcam cable. ...
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Acer ENTJ75 - page 108
CHAPTER 3: Replacing n otebook component s 102 9 Detach the LCD-webcam from th e LCD’s un derside (a) a nd disconnect it from the LCD PCB (b) . 10 Remove t he screw s securi ng the LCD p anel bracket s. 11 Attach the LCD p anel bracket s and the LCD cable to the new LCD. 12 Place the new LC D on the LCD assem bly lid and secure it with the screws ...
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Acer ENTJ75 - page 109
www.packardbell.com 103 Replacing the LCD p anel hinge bracket s T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinges - top) • 4 ...
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Acer ENTJ75 - page 110
CHAPTER 3: Replacing n otebook component s 104 6 Attach the ne w LCD pa nel bracket s to the LCD. 7 Place the LCD on the LCD assem bly lid and secure it with the screws removed in st ep . 8 Reinsta ll the LCD front panel by perform ing steps 8 – 11 of the “Replacing the LCD front p anel” proced ure on page 9 5 . 9 Reinsta ll the LCD pa nel as ...
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Acer ENTJ75 - page 111
www.packardbell.com 105 Replacing the power button board T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinges - top) • 4 black M2 ...
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Acer ENTJ75 - page 112
CHAPTER 3: Replacing n otebook component s 106 5 Note the orientation of the power button board for later re ference and then remove the boa rd from the LCD a ssembly lid. 6 Disconnect the power button cable from th e board. 7 Connect the power butto n cable to the new power button board. 8 Position the new powe r button board on the LCD assemb ly ...
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Acer ENTJ75 - page 113
www.packardbell.com 107 Replacing the Kensington lock cap T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinges - top) • 4 black M ...
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Acer ENTJ75 - page 114
CHAPTER 3: Replacing n otebook component s 108 5 Note the orient ation of the Kensington lock cap fo r later reference and then remove t he screws s ecuring it. 6 Detach the Kensington lock cap from the lef t hinge. 7 Position the new Kensington lock cap on the left hinge m aking sure it is in the same orient ation noted on st ep 5 . 8 Secure the c ...
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Acer ENTJ75 - page 115
www.packardbell.com 109 Replacing the microphone T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinges - top) • 4 black M2.5×6+Ny ...
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Acer ENTJ75 - page 116
CHAPTER 3: Replacing n otebook component s 110 6 Remove the microphone from the LCD assembly lid. 7 Place the new m icrophone on t he LCD assemb ly lid and secure its cable on the adhesive t abs. 8 Place the LCD ba ck on the LCD asse mbly lid. 9 Return the hinge screws to their places. 10 Reinsta ll the LCD front panel by perform ing steps 8 – 11 ...
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Acer ENTJ75 - page 117
www.packardbell.com 111 Replacing the antennas T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinges - top) • 4 black M2.5×6+Nylo ...
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Acer ENTJ75 - page 118
CHAPTER 3: Replacing n otebook component s 112 6 Carefully pry the antenna boards loose fro m the LCD assembly lid to remove the antennas. 7 Secure the n ew antenna on the L CD assembly lid and route thei r cables underneath the a dhesive t abs. 8 Place the LCD ba ck on the LCD asse mbly lid. 9 Return the hinge screws to their places. 10 Reinsta ll ...
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Acer ENTJ75 - page 119
www.packardbell.com 113 Replacing the LCD assembly lid T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.5×6+Nylok (LCD p anel hinges - top) • 4 black M2.5 ...
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Acer ENTJ75 - page 120
CHAPTER 3: Replacing n otebook component s 114 8 Reinsta ll the LCD front panel by perform ing steps 8 – 11 of the “Replacing the LCD front p anel” proced ure on page 9 5 . 9 Reinsta ll the LCD pa nel assembly by performi ng steps 16 – 23 of the “Replacing the LCD p anel assembly” proced ure on p age 64 . 10 T urn the noteb ook over so ...
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Acer ENTJ75 - page 121
CHAP TER 4 115 T roubleshooting • Diagnosing problems • System test procedures • Power -On Self-T est (P OST) error message • Index of error messages • Phoenix BIOS beep codes • Symptom-to-FRU error messages • Intermittent problems • Undetermined problems ...
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Acer ENTJ75 - page 122
CHAPTER 4: Troubleshooting 116 Diagnosing problems Use the following procedur e as a guide for dia gnosing notebook pro blems. 1 Obtain the fa iling symptoms in as much det ail as possible. 2 V erify the symptoms by attempting to re-create the failure by running the diagnostic test or by rep eating the same operation. 3 Use the following table with ...
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Acer ENTJ75 - page 123
www.packardbell.com 117 System test procedures T esting the optical drive Use the following procedu re to isolate a problem in an optical drive co ntroller , driver , or drive. T o test the optical drive: 1 Boot from the diagnostics diskette an d start the dia gnostics program. 2 Run the CD-ROM T est and see if the test completes successfully . 3 F ...
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Acer ENTJ75 - page 124
CHAPTER 4: Troubleshooting 118 T esting the memory Memory er rors can sto p your prog rams, show error messa ges on the screen, or hang the system. T o test the memory: 1 Boot from the diagn ostics diskette and st art the diagnostics progra m. 2 Run the Memory T est and see if the test completes successfully . 3 Press F2 in the test items. 4 Follow ...
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Acer ENTJ75 - page 125
www.packardbell.com 119 Check the battery pack T o c heck the battery pack using software: 1 Open Power Man agement in the Windows Contr ol Panel. 2 In Power Meter , make sure that the p arameters shown for Current Power Source and T otal Battery Power Re maining are correct. 3 Repeat the step s 1 and 2, for both batt e ry and adapter . This helps ...
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Acer ENTJ75 - page 126
CHAPTER 4: Troubleshooting 120 Power-On Self-T est (POST) error message The POST error message index list s the error messag e and their possible ca uses. The most likely ca use is listed first. This index can also help you d etermine the next possible FRU to be r eplaced when servicing a noteboo k. If the symptom is not listed, see “Undeter mine ...
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Acer ENTJ75 - page 127
www.packardbell.com 121 Index of error messages Error codes Error messages Error Codes Error Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (The causes are shown before “ Equipment Configuratio n Error”) 010 Memory Error at xxx x:xxxx:xxxxh (R:xxx xh, W:xxxx h) 070 R ...
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Acer ENTJ75 - page 128
CHAPTER 4: Troubleshooting 122 System timer error n T est or replace t he CMOS battery , run the BIOS Setup Utility to reconfigure system time, then reboot the system. n T est or replace t he system board. Real time clock error n T est o r replace the CMOS battery , run the BIOS Setup Utility to reconfigure system time, then reboot the system. n T ...
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Acer ENTJ75 - page 129
www.packardbell.com 123 No-beep error messages I/O device IRQ conflict n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook. n T est or replace the CMOS battery , run the BIOS Setup Utility to reconfigure system time, then r eboot the system. n T est or replace the system board. Operating system not found n Run th ...
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Acer ENTJ75 - page 130
CHAPTER 4: Troubleshooting 124 Phoenix BIOS beep codes Code Beeps POST Routine Description 02h V er ify Real Mode 03h Disable Non-Maskable Interrupt ( NMI) 04h Get CPU type 06h Initialize system hardware 08h Initialize chips et with initial POST values 09h Set IN POST flag 0Ah Initialize CPU registers 0Bh Enable CPU cache 0Ch Initialize caches to i ...
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Acer ENTJ75 - page 131
www.packardbell.com 125 30h 1-4-1-1 RAM failure on data bits xxxx of high byte of memory bus 32h T est CPU bus-clock frequency 33h Initialize Phoenix Dispatch Manager 36h W arm start shut down 38h Shadow system BIOS ROM 3Ah Autosize cache 3Ch Advanced configuration of chipset registers 3Dh Load alternate registers with CMOS values 42h Initialize in ...
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Acer ENTJ75 - page 132
CHAPTER 4: Troubleshooting 126 6Ah Display external L2 cache size 6Bh Load custom defaults (optional) 6Ch Display shadow-area message 6Eh Display possible high address fo r UMB recovery 70h Display error messages 72h Check for configuration errors 76h Check for keyboard errors 7Ch Set up hardware interrupt vectors 7Eh Initialize coprocessor if pres ...
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Acer ENTJ75 - page 133
www.packardbell.com 127 9Ch Set up Power Management 9Dh Initialize security engine (optional) 9Eh Enable hardware interrupts 9Fh Determine number of A T A and SCSI drives A0h Set time of day A2h Check key lock A4h Initialize T ypematic rate A8h Erase F2 prompt AAh Scan for F2 ke y stroke ACh Enter SETUP AEh Clear Boot flag B0h Check for er rors B2h ...
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Acer ENTJ75 - page 134
CHAPTER 4: Troubleshooting 128 D2h Unknown interrupt E0h Initialize the ch ipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize the system timer E4h Initialize system I/O E5h Check force recovery b oot E6h Checksum BIOS ROM E7h Go to BIOS E8h Set Huge Segment E9h Initialize Multi Processor EAh Initialize OEM special code EBh Initia ...
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Acer ENTJ75 - page 135
www.packardbell.com 129 Symptom-to-FRU error messages LCD Power Symptom / Error Action in Sequence n The LCD backlight doesn't wor k. n The LCD is too dark. n The LCD brightness cannot be adjusted. n The LCD contrast cannot be adjusted. n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook. n Reconnect the LCD ...
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Acer ENTJ75 - page 136
CHAPTER 4: Troubleshooting 130 Memory Sound Power management Symptom / Error Action in Sequence Memory count (size) appears different from actual size. n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook. n T est or replace t he SO-DIMM. n T est or replace t he system board. Symptom / Error Action in Sequence No ...
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Acer ENTJ75 - page 137
www.packardbell.com 131 Devices Keyboard and touchp ad Symptom / Error Action in Sequence System configuration does not match the installed devices. n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook. n Reconnect the hard disk dr ive and optical drive. The external display does not work co rrectly . n Press Fn+F ...
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Acer ENTJ75 - page 138
CHAPTER 4: Troubleshooting 132 Intermittent problems Intermittent system hang problems can be caused by a v ariety of re asons that have nothing to do with a hard ware defect. T hese reason s include: cosmic radiation, electrostatic disc har ge, or soft ware errors. FRU replaceme nt should be considered only when a re curring proble m exists. T o a ...
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Acer ENTJ75 - page 139
www.packardbell.com 133 Undetermined problems If the diagnostic test may n ot identify which adapter or d evice failed, which installed devices are incorrect, whether a short circ uit is suspected, or whether the system is inoperative. Use these procedures to isolate the failing FRU (do not isolate a non-defective FRU). T o is olate a failing FRU: ...
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Acer ENTJ75 - page 140
CHAPTER 4: Troubleshooting 134 ...
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Acer ENTJ75 - page 141
CHAP TER 5 135 Connector locations • System board layout ...
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Acer ENTJ75 - page 142
CHAPTER 5: Connector locations 136 System board layout T op view Item Code Component Item Code Compone nt 1 MMB1 Multimedia board cable connector 8 KB1 Keyboard cable connector 2 MIC1 M icrophone cable connector 9 RTC1 RTC battery 3 SPKR1 S p eaker cable connector 10 MDC1 Modem card cable connector 4 LCD1 LCD cable connector 1 1 BT1 Bluetooth modul ...
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Acer ENTJ75 - page 143
www.packardbell.com 137 Bottom view – Discrete model Item Code Compon ent Item Code Compo nent 1 MINI2 3G module slot 11 HDMI1 HDMI out port 2 MINI1 WLAN modul e slot 12 USB1 USB port 3 BA T1 Battery connector 13 USB2 USB port 4 VGA1 AMD graphics con troller 14 MICIN1 Microphone jack 5 15 LOUT1 Headphone jack 6 CPU1 Processor socket 16 DM1 Memory ...
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Acer ENTJ75 - page 144
CHAPTER 5: Connector locations 138 Bottom view – UMA model Item Code Component Item Code Compone nt 1 MINI2 3G module slot 11 USB1 USB port 2 MINI1 WLAN module slot 12 USB2 USB port 3 BA T1 Battery connector 13 MICIN1 Microphone jack 4 PCH1 Intel PCH 14 LOUT1 Headphone jack 5 CPU1 Processor socket 15 DM1 Memory slot 1 6 F AN1 Cooling fan cable co ...
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Acer ENTJ75 - page 145
CHAP TER 6 139 FRU (Field-Replaceable Unit) list • Introduction • Exploded diagram • FRU list ...
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Acer ENTJ75 - page 146
CHAPTER 6: FRU (Field -Replaceable Unit) list 140 Introduction This chap ter give s you the FRU (fiel d -replaceable- unit) listing in global configurations of this model. Re fer to this chapter whenever ordering for p art s to repair or for RMA (Return Merchand ise Authorization). Please note that WHEN ORDERING F RU P ARTS, you should check the m ...
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Acer ENTJ75 - page 147
www.packardbell.com 141 Item Component 1 Keyboard cover 2 Multimedia board 3 Palm rest 4 T ouchpad board 5 Cooling assembly 6 System board 7 Kensington lock cap 8 Left LCD panel hinge bracket 9 Front panel 10 LCD p anel 11 LCD assembly lid 12 W ebcam board (optional) 13 Right LCD panel hinge bracket 14 Power button board cap 15 Power button board s ...
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Acer ENTJ75 - page 148
CHAPTER 6: FRU (Field -Replaceable Unit) list 142 FRU list Category Description Part No. Adapter Adapter DEL T A 65W 19V 1 .7x5.5x1 1 Y ellow ADP-65JH DB A, L V5 LED LF AP .06501.026 Adapter LITE-ON 65W 19V 1.7x5.5 x1 1 Y ellow P A-1650-22 AC L V5 LED LF AP .06503.024 Adapter HIPRO 65W 19V 1.7x5.5x1 1 Y ellow (HP-A0653R3B 1LF), L V5 Timeline LF AP ...
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Acer ENTJ75 - page 149
www.packardbell.com 143 Hard disk drive (continuation) HDD WD 2.5" 5400rpm 250GB WD2500BEVT -22ZCT0 ML160 SA T A LF F/W:1 1.01A1 1 KH.25008.021 HDD SEAGA TE 2.5" 5400rpm 320GB ST9320325AS Wyatt SA T A LF F/W:0001SDM1 KH.32001.017 HDD TOSHIBA 2.5" 5400rpm 320GB MK3263GSX SA T A 8MB 68P LF F/W:FG020J KH.32004.003 HDD HGST 2.5" 540 ...
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Acer ENTJ75 - page 150
CHAPTER 6: FRU (Field -Replaceable Unit) list 144 Processor CPU Intel Core i3 330M PGA 2.13G 35W Arranda le, TJ90, VT , 3M L3 KC.33001.DMP CPU Intel Core i3 350M PGA 2.26G 35W Arrandale, TJ90, VT , 3M L3 KC.35001.DMP CPU Intel Core i5 430M PGA 2.26G ARD , up to SC 2.53G , 3M L3 KC.43001.DMP CPU Intel Core i5 520M 2.4G 3M KC.52001.DMP CPU Intel Core ...
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Acer ENTJ75 - page 151
www.packardbell.com 145 WLAN module (continuation) Liteon Wireless LAN Realtek 8192SE BGN WN6603LH( 2x2 BGN) NI.23600.065 Foxconn Wirelss LAN Atheros HB95 1x1 BG (HM) NI.23600.047 Liteon Wireless LAN Atheros HB95 BG (HM) WN66 01AH N I.23600.052 Lan Intel WLAN 1 12BN.HMWG MM#903341 KI.CPH01.001 Lan Intel WLAN 622AN.HMWG KI.PPH01.002 Bluetooth module ...
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CHAPTER 6: FRU (Field -Replaceable Unit) list 146 ...
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APPENDIX A 147 T est compatible components • Introduction • Microsoft® W indows 7® Compatibility T est ...
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Acer ENTJ75 - page 154
APPENDIX A: Test compatible components 148 Introduction This notebook’s compatibility is tested and verified by Acer’s internal testing departm ent. Refer to the following list s for compone nts, ada pter cards, and peripherals whic h have passed thes e tests. Microsof t ® Windows 7 ® Comp atibility T est Item Device name I/O Peripheral Compa ...
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Acer ENTJ75 - page 155
www.packardbell.com 149 Wireless USB hub/adapter IOGEAR Wireless USB Hub & Adapter Kit (GUWH104KIT) Bluetooth access point X-Bridge Bl uetooth Access Point (BT300) Bluetooth device AmbiCom Bluetooth Wireless CompactFla sh Card with PC Card Adapter Sony Ericsson S tereo Bl uetooth Headse t HBH-DS970 Memory C ard T est MMC RS-MMC 128 MB Memory Ca ...
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Acer ENTJ75 - page 156
APPENDIX A: Test compatible components 150 ...
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Acer ENTJ75 - page 157
APPENDIX B 151 Online support information ...
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Acer ENTJ75 - page 158
APPENDIX B: Online support informat ion 152 This section describes online technical support services available to help you repair your Packard Bell notebook. If you are a distributor , dealer , ASP , or TPM, please refer your technical queries to your local Acer branch office. Acer branch of fices and Regional Business Units may access our website. ...
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Acer ENTJ75 - page 159
153 Index A AC adapter connector 16 antennas replace 111 application key 22 arrow keys 22 audio back button 23 controller 12 headphone jack 17 Increase volume 24 microphone ja ck 17 muting 24 next button 23 pause button 23 play button 23 resolution 12 stop button 23 B battery charge indicator 19 , 21 latch 18 locating 18 release latch 18 remove 48 ...
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Acer ENTJ75 - page 160
Index 154 directional keys 22 display 6 switching 22 double-clicking 26 dragging 26 drives DVD/CD-RW 17 DVD±RW 17 hard drive 19 multi-format DVD±RW 17 DSL modem 16 DVD controlling playback 23 DVD drive locating 17 E electrostatic discharge 44 error symptom-to-spare part index 120 ESD, see electrostatic discharge 44 Ethernet jack 16 external CD-RO ...
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Acer ENTJ75 - page 161
155 www.packardbell.com N navigation keys 22 network jack 16 O opening files 26 folders 26 programs 26 shortcut menu 26 optical drive replace 56 optical drive bezel remove 57 optical drive bracket remove 57 P palm rest replace 68 Panel Bottom 18 left 16 password change 34 clear hardware gap 40 guidelines 33 HDD, description 33 Password on Boot 33 r ...
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Acer ENTJ75 - page 162
Index 156 USB port 17 user password change 34 clear 40 remove 35 set 34 utilities BIOS setup utility 28 V ventilation 16 , 18 VGA port 16 video HDMI out jack 16 monitor port 16 projector port 16 VGA port 16 view left 16 rear 18 right 17 volume muting 24 W webcam 20 , 26 replace 98 Windows key 22 wired Ethernet chipset 12 wireless card replace 52 wi ...
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Acer ENTJ75 - page 163
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Acer ENTJ75 - page 164
MAN NV5x SVC GDE R1 04/09 ...
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