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Dell LATITUDE E6400 XFR - page 1
www.del l.com | support.de ll.c om Del l™ Latitud e™ E 642 0 X FR Service Manual ...
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Dell LATITUDE E6400 XFR - page 2
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 2 Notes, Noti ces, an d Cau tio ns NOTE: A NOT E ind icates im portan t infor mat ion tha t helps y ou ma ke better use of y our c omputer . NOTICE: A NOT ICE indicates eith er p otent ial dam age to h ardw are or loss of da ta an d tells you how to avoid the problem. CAUTION: A CAUTIO N indica ...
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Dell LATITUDE E6400 XFR - page 3
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 3 Table of Content s 1 WORKING ON YOU R COMP UTER ............................................................................................................................... 7 1.1 R ECO MMENDED T OO LS ......................................................................................... ...
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Dell LATITUDE E6400 XFR - page 4
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 4 13.1 R EMOVING THE K E YBOAR D .................................................................................................................................................. 28 13.2 R EPLACING THE K EYB OARD ................................................................................. ...
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Dell LATITUDE E6400 XFR - page 5
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 5 26.2 R EPLACING THE H ARD D RI VE .............................................................................................................................................. 52 27 MODULAR DRIVE ................................................................................................ ...
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Dell LATITUDE E6400 XFR - page 6
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 6 39.3 R EMOVING THE HDMI/ E SATA D OOR ................................................................................................................................ 69 39.4 R EPLACING THE HDM I/ E SATA D OOR ................................................................................... ...
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Dell LATITUDE E6400 XFR - page 7
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 7 1 Working on Your Comput er This d ocume nt provides pr ocedu res f or rem oving a nd in stallin g the com pon ents in you r compu ter. Unless otherwise noted, each proced ure assumes tha t the followin g : • You h ave perf ormed the steps in Before Wo rking On Your C omputer . • You have ...
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Dell LATITUDE E6400 XFR - page 8
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 8 NOTICE: To disconne ct a networ k ca ble, fir st un plug the c able fr om you r compu ter an d then unplug it from the network dev ice. 4. Discon nec t any telephon e, n etwork , a nd USB cables from the compu ter. NOTICE: To help prevent damage to th e system b oar d, you mus t remove the ba ...
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Dell LATITUDE E6400 XFR - page 9
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 9 2 Bottom Acce ss Panel CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1 Captive Sc rew 2 Battery r elease slider la tches (2) 2.1 Remov ing th e Bott om A ccess Pa nel 1. Foll ow the p rocedu res in ...
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Dell LATITUDE E6400 XFR - page 10
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 10 Battery releas e la tches in lock ed posi tion 1. Tighten the single ca ptive s crew h ighlighted in th e figure abovve 2. Replace an d tighten th e twen ty - three M2.5 x 5 - mm screws in th e sequenc e identified in th e figure a bove . 3. Foll ow the p rocedu res in After Work ing on Y ou ...
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Dell LATITUDE E6400 XFR - page 11
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 11 1 Antenna cables (3) 2 WLAN/WiMax card 3 M2 x 3 - mm screw 1. Disconnect the antenna ca bles from the card. 2. Remove th e M2 x 3 - mm screw. T he card will pop up at a 45 - degree a ngle. 3. Slide th e car d out of th e car d conn ector on the s ystem b oard. 1 WLAN/WiMax card 2 Card connec ...
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Dell LATITUDE E6400 XFR - page 12
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 12 4 WWAN /FM C Card CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . NOTICE: In sert a WWAN car d or FC M only in to the slot s how n in th e pictu re below. 4.1 Remov ing a WWAN /FM C Card 1. Foll ow t ...
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Dell LATITUDE E6400 XFR - page 13
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 13 5. Slide th e car d out of the ca rd con nector on the syste m board. 1 WWAN card 2 Card connector 4.2 Replac ing a W WAN /FM C Card NOTICE: The connectors ar e keyed to ens ure corr ect inserti on. If you feel resistan ce, ch eck the connectors on the card and on the system board, and reali ...
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Dell LATITUDE E6400 XFR - page 14
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 14 1 WPAN /UWB card 6. Slide th e car d out of th e car d conn ector on the s ystem b oard. 1 WPAN card 2 Card connector ...
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Dell LATITUDE E6400 XFR - page 15
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 15 5.2 Replac ing a WPAN (UW B) Car d NOTICE: The connectors a re keyed to en sure corr ect inserti on. If you feel resistan ce, ch eck the connectors on the card and on the system board, and realign t he card. NOTICE: To av oid damag e to the WPA N card, ensure the cables a re not un der the c ...
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Dell LATITUDE E6400 XFR - page 16
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 16 5. Discon nec t the an tenn a con nection from the RF Passth ru boa rd to the WWAN card if pr esen t 6. Discon nec t the an tenn a con nection from the RF Passth ru boa rd to the WLAN card if pr esent 7. Remove th e M2 x 3 - mm screw that secures the RF Passthru board to the chassis. ...
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Dell LATITUDE E6400 XFR - page 17
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 17 8. Gen tly lift th e lower - left corner of the RF Passthru bo ard, and remove the RF Passth ru boa rd by s liding it o ut of the chassis socket. 6.2 Replacing the RF Passthru Board 1. Slide the RF Passthru into the chassis so cket as shown. 2. Replace an d tighten th e M2 x 3 - m m scr ew h ...
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Dell LATITUDE E6400 XFR - page 18
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 18 7 Fan Assembly 7.1 Removing the Fan Assem bly CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the in stru ctions in Before Work ing o n Your Co mp uter . 2. Remove th e bottom access p ane ...
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Dell LATITUDE E6400 XFR - page 19
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 19 4. Disconnect the fan cable from the syste m board. 5. Lift th e fan stra ight u p to remov e it. 7.2 Replac ing the Fa n Assembly CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Insert t he fa n ...
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Dell LATITUDE E6400 XFR - page 20
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 20 8 Processor Heatsink Assemb ly 8.1 Remov ing th e Pr ocesso r Hea ts ink As sem bly CAUTION: Be fore y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instru ction s that s hippe d with your c om puter. UMA Base shown (Discre te revision ins et) 1 Captive screws (4) ...
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Dell LATITUDE E6400 XFR - page 21
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 21 4. Car efu lly lift th e proces sor plate of the a ssemb ly up at an an gle. 5. Remov e the r adiat or from the com puter. 8.2 Replac ing t he P rocess or H eatsin k Ass embly CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instru ction s that s hip ...
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Dell LATITUDE E6400 XFR - page 22
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 22 9 Processor Module 9.1 Remov ing th e Pr ocesso r Module CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the in stru ction s in Befor e Work ing on Y our C omputer . 2. Remove th e bottom ...
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Dell LATITUDE E6400 XFR - page 23
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 23 1. Align the pin - 1 corn er of th e proce ssor w ith the pin - 1 c orner of the Z IF soc ket, and then in sert th e proces sor. NOTE: The pin - 1 corn er of th e proc essor h as a tr iangle that alig ns w ith the trian gle on the pin - 1 cor ner of the Z IF sock et, th en inser t the proc e ...
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Dell LATITUDE E6400 XFR - page 24
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 24 10 Memo ry Your c omputer has two user - accessible SODIMM socket s. You can increase you r computer me mory by installing memory modules on th e syste m board. See " Specif ication s" in you r Setup an d Featu r es In f orma tion Guide fo r infor mation on the m emor y su pported ...
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Dell LATITUDE E6400 XFR - page 25
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 25 10.2 Replac ing a Mem ory Mod ule CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . NOTICE: If you are in stalli ng tw o memory modules , you mu st ins tall the bott om memory module f irst. 1. Place t ...
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Dell LATITUDE E6400 XFR - page 26
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 26 5. Discon nec t the coin - cell ba ttery cable fr om the sys tem board. 11.2 Replac ing the Coin - Cell Bat tery CAUTION : Before you begin a ny of the proced ure s in this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Con nect th e coin - cell bat tery ...
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Dell LATITUDE E6400 XFR - page 27
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 27 12 Keyb oa rd Cover 12.1 Removing the Keyboar d Cov er CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the p rocedu res in Befor e Work ing on Your Computer . 2. Remove th e two M2.5 x 5- ...
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Dell LATITUDE E6400 XFR - page 28
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 28 13 Keyboa rd 13.1 Remov ing th e Key board CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the p rocedu res in Before Work i ng on Yo ur Co mp uter . 2. Star t with s ystem upside down. Op ...
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Dell LATITUDE E6400 XFR - page 29
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 29 6. Lift u p on k eyboar d from the bottom edge. Key board is lightly retain ed on side s by snap f eatures. 7. Flip key board over t oward display expos ing the flex cable attachin g the keyboa rd to the s ystem through t he keyboard access do or. 1 Keyboard Acess Panel 2 M2.5x5 m m (7) 8. R ...
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Dell LATITUDE E6400 XFR - page 30
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 30 NOTICE: T he key caps on the key board are f ragile, e asily dislo dged, a nd time - con su ming to replace. E xercise ca re when r emoving an d handling th e keyboar d. 13.2 Replac ing t he Key boar d CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety ...
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Dell LATITUDE E6400 XFR - page 31
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 31 4. Pus h the Retention C lip tow ard the rea r of the bas e assembly an d lift the GP S module up by th e USB cable. 5. Discon nec t the US B ca ble from th e GPS module. 14.2 Replac ing the GP S Ca rd 1. Slip th e front edge of the G PS Modu le into the reten tion fea tures on the base asse ...
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Dell LATITUDE E6400 XFR - page 32
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 32 15 Display Bezel 15.1 Removing the Display B ezel CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the in stru ctions in Bef ore Wor king on You r Computer . 2. Close and la tch th e Displa ...
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Dell LATITUDE E6400 XFR - page 33
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 33 7. Remove th e 18 M2.5 x 8 mm screw s secu ring the Display Bezel to th e Display Assembly 1 M2.5x8 m m (18) 8. Remove th e Display Bezel from t he Disp lay Assembly 1 Left Antenna 2 Microphone/Camera Mo dule 3 Right Ante nna 4 LCD Pan el 5 LED Board 6 Touc h Con troller B oard ...
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Dell LATITUDE E6400 XFR - page 34
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 34 15.2 Replac ing the Dis play Bezel CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Place the Displ ay Bez el on the Display Assembly . 2. Replace an d tighten th e 18 M2. 5 x 8 mm secrew s to secu ...
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Dell LATITUDE E6400 XFR - page 35
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 35 NOTICE: There are four rubber corner dam pners th at sit between the LCD panel an d display back. Th e corner da mpners may stick to the LC D panel when the panel is removed fr om the display back . Remov e all corner da mpners f rom the LCD pan el as these a re not part of the LCD panel ass ...
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Dell LATITUDE E6400 XFR - page 36
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 36 4. Position the two u pper corn er dampn ers on the L CD panel (top edge) befor e the LCD pan el is i ns talled in the display back. 5. Rotate th e panel u p and position the low er ed ge into the corn er dampn ers in the Display Back. Contin ue to rotate the LC D panel in to pos ition and i ...
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Dell LATITUDE E6400 XFR - page 37
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 37 2. T ighte n the cap tive screw secu ring th e Microphon e/Camer a Module to the dis play back 3. Recon nec t the fle x cab le to the Mic rophon e/C amera Module 4. Replace th e display bezel( see Replacing th e Display Be zel) . 5. Foll ow the p rocedu res in ( After Working On Your C omput ...
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Dell LATITUDE E6400 XFR - page 38
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 38 1. Foll ow the p rocedu res in Befor e Work ing on Your Computer . 2. Remove th e display bez el (see R emoving th e Display Bezel) . 3. Remove th e M2x3 mm screw secu ring the T ouch Controller module to th e Displ ay Ba ck. 4. Lift ou t the Dis play LED b oard fr om the lef t side a nd dis ...
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Dell LATITUDE E6400 XFR - page 39
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 39 20.2 Replacing the GPS Antenna 1. Reconn ect the green anten na cable to th e GPS an tenna. 2. In stall th e GPS antenn a in the pock et at th e top of the Disp lay bac k as shown in the fig ure a bove. 3. Replace th e display bezel( see Replacing th e Dis play Bezel). 4. Foll ow the p roced ...
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Dell LATITUDE E6400 XFR - page 40
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 40 22 Display Ass emb ly 22.1 Remov ing the Disp lay Assem bly CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the instr uction s in Before W orkin g on You r Compu ter . 2. Remove th e botto ...
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Dell LATITUDE E6400 XFR - page 41
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 41 6. Discon nec t the LV DS ca ble f rom the motherb oard. 7. Remove th e mylar c able cover an d urou te the LVDS cable f rom the base a ssembly. 8. Discon nec t the tou ch con troll er USB cable if prese nt . 9. Pull u p on the left a nd right cable bun dles near the grommen ts to separa te ...
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Dell LATITUDE E6400 XFR - page 42
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 42 10. Remove th e three M2. 5 x 8 - mm screws from each hi nge. 11. Tur n the computer tops ide u p. 12. Open th e display to 90 deg rees an d lift the display assembly off th e base assem bly. 22.2 Replac ing the Dis play Assembly CAUTION: Before y ou begin a ny of the proced ures i n this se ...
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Dell LATITUDE E6400 XFR - page 43
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 43 23 Palm Rest 23.1 Removing the Palm Rest CAUTION: Be fore y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the in stru ctions in Before Work ing o n Your Co mp uter . 2. Re move the display assem bly (s ee ...
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Dell LATITUDE E6400 XFR - page 44
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 44 7. Discon nec t the contactless smartcard cable, LE D board cable, touc hpad cable, and FPR cable (option al) accessible through access panels. 1 LED Board (J LED1) 2 Touchpad (JTP1) 3 Contactless Smartcard (JCS1) 4 Keyboard (J KB1) 5 Media Board (JMEDIA1) 6 Finger Pr int Reader (J BIC 1) ...
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Dell LATITUDE E6400 XFR - page 45
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 45 8. Remove the sixteen M2.5 x 8 - mm s crews on the top of the palm rest. 9. Loosen the one captive scre w highligh ted. 10. Lift th e palm r est from the compu ter. ...
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Dell LATITUDE E6400 XFR - page 46
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 46 23.2 Replac ing the Pa lm Re st CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . NOTE: If this is a new palm rest, remov e the two cable ac cess pan els, an d the keyboard cover before in stal lation ...
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Dell LATITUDE E6400 XFR - page 47
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 47 5. Remove th e s martcard flex connector from the sy stem. 6. Remove th e t hree M2 x 3 - mm screws from the s mar tcard assembly . 7. Remove th e two M2.5x 5 mm screws from the smartcard assembly. ...
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Dell LATITUDE E6400 XFR - page 48
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 48 8. Left up on the back edge of the sm artcard as sembly and rotate th e left edge t owa rd the back . Continu e until the smartcard assem bly is free from the base assembl y. 9. Lift u p to remov e the s martcard housing from the ba se assembly . 24.2 Replacing the Smartcar d Assembly 1. Set ...
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Dell LATITUDE E6400 XFR - page 49
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 49 7. Replace th e palm res t (see Replac ing the Palm rest ). 8. Foll ow the p rocedu res in After Work ing on Y our C omputer . 25 Ex press Ca rd Ca ge 25.1 Removing the Express Card Cage CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions t ...
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Dell LATITUDE E6400 XFR - page 50
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 50 6. Li ft up o n the back edge of the smar tcard ass embly and r otate the left e dge toward th e back. Continue until the smartcard assem bly is free from the base assembl y. 7. Lift u p to remov e the s mar tcard h ous ing fr om the ba se assem bly. 25.2 Replacing the Smartcar d Assembly 1. ...
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Dell LATITUDE E6400 XFR - page 51
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 51 NOTE: See hard dr ive rem oval instr uctions a dhered to th e edge of the h ard drive. 2. Press in the blue loc king button on the r ight side of th e compa rtmen t. 3. While pres sing in th e blue lockin g button, u se the tab on the edge of the h ard drive to pull the h ard drive module fr ...
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Dell LATITUDE E6400 XFR - page 52
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 52 5. Slide h ard dr ive out of the c arrier . 26.2 Replac ing the Ha rd Dr ive CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . NOTICE: Hard drives are extremely fragil e. Ex ercise care wh en handling ...
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Dell LATITUDE E6400 XFR - page 53
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 53 1 Modula r drive 2 Release l atch 27.2 Replac ing the Mod ula r Dr ive CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions tha t shippe d wi th your c ompute r. 1. Slide the dr ive in th e mod ular bay. 2. Close the modu lar (X Ba y) disk d ...
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Dell LATITUDE E6400 XFR - page 54
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 54 5. Remove th e Au dio Boar d from th e ch assis 28.2 Replac ing t he Aud io Board CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Set th e Au dio Board into th e ch assis 2. Replace an d tighten t ...
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Dell LATITUDE E6400 XFR - page 55
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 55 4. Remove two M2 x 3 - mm scre ws securing the medi a board to the chassis. 5. Remove th e Media Boa rd from the c h assis 29.2 Replac ing t he M edia Board CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c ompu ...
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Dell LATITUDE E6400 XFR - page 56
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 56 30 USB Board 30.1 Remov ing th e US B Board As sem bly CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the in stru ctions in Be f ore Wor king on You r Computer . 2. Remove th e palm rest ...
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Dell LATITUDE E6400 XFR - page 57
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 57 7. Open the Med ia Bay door an d slide th e USB board ou t of th e cha ssis thr oug h the media bay door. 30.2 Replac ing the U SB Boar d CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Open th e ...
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Dell LATITUDE E6400 XFR - page 58
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 58 The s ystem board’s BIOS chip con tains the Ser vice Tag , wh ich is als o visible on a barcod e label on the bot tom of the compute r. Th e repla cemen t kit f or th e syste m board i nc ludes m edia tha t provid es a u tility f or tran sfer ring th e Ser vice Tag to the replac ement s ys ...
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Dell LATITUDE E6400 XFR - page 59
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 59 16. Remove th e one M2. 5 x 5- mm screw sec ur ing the left rear of the s ystem board to th e I /O Daughte r Boar d. 17. Remove the re mai ning three M2.5 x 5 - mm screws from the s ystem board as shown in t he fi gure . ...
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Dell LATITUDE E6400 XFR - page 60
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 60 18. Lift t he back - left cor ner of the system board to releas e th e I/O board connec tor . G ently lift the syst em board up from th e left rear and slide it sli ghtly to the lef t to release the por t con nectio ns on the r ight rea r corn er . 19. Raise rea r of sy stem board and discon ...
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Dell LATITUDE E6400 XFR - page 61
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 61 20. Lift th e sys tem boar d out of the base assembl y. NOTE: HDMI Brac k et an d HDMI Rou te A da pter s h ould be tran s f erred to repla c e ment sy stem board as s em blies. 21. Remove th e one M2 x 3mm screw sec uring th e HDMI Route Ada pter to the HDMI Brack et. ...
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Dell LATITUDE E6400 XFR - page 62
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 62 22. Car efu lly remov e the H DMI R oute Ada pter fr om the H DMI connec tor on th e mothe rboard. 23. R emove th e bracket f rom th e USB conn ector. NOTE: HDMI Bra cket and HDMI Route Ada pter should be tran sferred to rep lace ment sys tem board ass emblies. ...
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Dell LATITUDE E6400 XFR - page 63
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 63 31.2 Replac ing t he Sys tem Boar d As semb ly CAUTION: Before y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . NOTICE: Ensure that any loose cables do no t get cau ght benea th the sy stem board. 1. In stall th e HD ...
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Dell LATITUDE E6400 XFR - page 64
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 64 4. Remove th e I/O c ard. 32.2 Replacing the I/O Card 1. Replace the I/O card. 2. In stall an d tighte n the two M2. 5 x 5 - mm screw to secure t he I/O card to the chass is . 3. Replace th e system boar d (see R eplacing th e System Board A ssembly ). 4. Foll ow the p rocedu re for After Wo ...
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Dell LATITUDE E6400 XFR - page 65
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 65 34 DC Pow er C able 34.1 Remov ing the DC Po wer C able CAUTION: Be fore y ou begin a ny of the proced ures i n this se ction , fol low the sa fety instructions that shippe d wi th your c omputer . 1. Foll ow the in stru ctions in Before Work ing o n Your Co mp uter . 2. Remove th e palm res ...
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Dell LATITUDE E6400 XFR - page 66
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 66 1. Place th e DC power c able in th e base ass embly, align ing the gu ides on the con nector sides with the base. Once in stalled , pres s down firmly on top of the DC power conn ector to se al the adh esive to th e base. 2. Route th e DC power ca ble in the bas e assembly. 3. Rou te and c ...
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Dell LATITUDE E6400 XFR - page 67
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 67 36.2 Replac ing the Sty lus 1. Pin ch th e end of th e tether loop to a poin t. 2. Place th e tether loop, pointed end f irst, th rough th e tether an chor at th e edge of th e system. 3. Ru n the sty lus an d tether th roug h the te ther loop. 4. Onc e the s tylus and tether are com pletely ...
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Dell LATITUDE E6400 XFR - page 68
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 68 4. Remove lef t and righ t side M2. 5x8 mm sc rew securing h andle pin to ch assis. 5. Remove th e carry handle from the sockets by sliding han dle up . 38.2 Replac ing the Han dl e 1. Insert t he handle pin s into th e handle e nds and set t he handl e i n the cha ssi s. 2. Replace th e two ...
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Dell LATITUDE E6400 XFR - page 69
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 69 1. Foll ow the p rocedu res in Befor e Work ing on Your Computer . 2. Open th e door to reliev e hinge pres sure. 3. Remove th e three M3 x 3 - mm screws from the bo ttom of the base assembly 39.2 Replac ing Media Bay Door 1. In sert door hinge onto ass embly a nd alig n the h inge d ivots . ...
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Dell LATITUDE E6400 XFR - page 70
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 70 39.4 R eplac ing the HDMI/ eS ATA Door 1. In sert door hinge onto ass embly a nd alig n the h inge d ivots. 2. Replace the two M3 x 3 - mm screws. 3. Foll ow the p rocedu res in After Work ing on Y our C omputer . 39.5 Remov ing the Bat tery D oor NOTE: Removal of the battery door requ ires ...
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Dell LATITUDE E6400 XFR - page 71
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 71 39.7 Remov ing th e Pow er an d/or L AN D oor 1. Foll ow the p rocedu res in Befor e Work ing on Your Computer . 2. Open th e door to reliev e hinge pres sure. 3. Remove th e one M2. 5 x 5 - mm scr ew and the on e M3x3 mm s crew securi ng the hinge to the base assembly 4. Remove th e LCD Ch ...
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Dell LATITUDE E6400 XFR - page 72
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 72 39.9 Removing the VGA /Ser ia l Door 1. Foll ow the p rocedu res in Befor e Work ing on Your Computer . 2. Open th e door to reliev e hinge pres sure. 3. Remove th e two M3 x 3 - mm screw s fr om the bottom of th e bas e assem bly . 39.10 Replac ing the VGA / Se ria l Door 1. In sert door hi ...
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Dell LATITUDE E6400 XFR - page 73
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 73 3. Remov e the tw o VGA Connector jack screws an d the two Ser ial Con nec tor jack screws . 4. Plac e a scr ibe in th e small op ening and pu ll to remov e. 39.12 Replac ing the VGA Pan el C over 1. Plac e the V GA P anel Cov er in pla ce over the VG A port. 2. Replace th e two VG A con nec ...
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Dell LATITUDE E6400 XFR - page 74
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 74 40 Syst em Set up 40.1 Setup O verv iew Sys tem Setu p allows you to: • chan ge the system c onf igura tion inf ormati on a fter y ou add, chan ge, or remove a ny hardw are in you r computer. • set or change a user - selectab le option such as the user password. • read th e cur rent a ...
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Dell LATITUDE E6400 XFR - page 75
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 75 Date/Time Allows you to c han ge the date a nd time. System Confi guration NOTE: System C onfigu rati on con tain s option s an d settings r elated to inte gra ted sy stem devices. Dependin g on your compu ter and installe d dev ices, the items liste d in this s ection m ay or may not a ppea ...
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Dell LATITUDE E6400 XFR - page 76
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 76 Option Descr iption Drive s Allows you to c onfigu re th e SAT A driv es on board. The options are: • SATA -0 • SATA -1 • SATA -4 • SATA -5 Default S etting: All dr ives are en abled. Video Option Descr iption LCD Bri ght ness Allows you to set the displ ay brightn ess depending o n ...
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Dell LATITUDE E6400 XFR - page 77
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 77 Option Description OROM Keyboard Access Allows you to set an option to en ter th e Opti on ROM C onfigu ration scre ens using hotkeys du ring boot. Th e options are: • Enabl e • One Time En able • Disable Defau lt Settin g: En able TPM Securi ty Allows you to en able th e Tru sted Pla ...
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Dell LATITUDE E6400 XFR - page 78
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 78 Pow er Ma na geme nt Option Description AC Behavi or Allows you to enable or disa ble the c omput er fr om tur ning on au tomatica lly when an AC adapter is connec ted. Defau lt Settin g: Wa ke on A C is not s electe d. Auto O n Time Allows you to s et the time at w hich the c omputer must t ...
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Dell LATITUDE E6400 XFR - page 79
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 79 • Touchpad/PS - 2 Mous e Defau lt Settin g: Tou chpa d/ PS - 2 Mouse Numlock Enable Allows you to en able th e Num lock option wh en th e compu ter boots. Defau lt Settin g: En able Nu mlock is selec ted. Fn Ke y Emula tion A llows y ou to set th e optio n wh ere the < Scr oll Lock> ...
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Dell LATITUDE E6400 XFR - page 80
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 80 System Log s Option Description BIOS Eve nts Allows you to v iew an d clear th e System Setup (BI OS) POST even ts. DellDiag Ev ents A llows y ou to vie w an d clear th e DellDia g ev ents. Therma l Event s Allows you to view a nd clea r the T herm al even ts. Power Events Allows you to view ...
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Dell LATITUDE E6400 XFR - page 81
Dell ™ Latitu de™ E6420 X FR Ser vice Manu al Page 81 41.1 B atter y Status Lights If th e compu ter is c onn ected to an elec tric al out let, t he batter y ligh t opera tes a s f ollows: • Altern ate ly blin king a mber ligh t and b lue ligh t — An unauthent icat ed or unsup por ted non - Dell AC ada pter is attac hed to you r lapt op. ? ...
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