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Dell LATITUDE E6400 XFR manuel d'utilisation

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Tout d'abord, le manuel d’utilisation Dell LATITUDE E6400 XFR devrait contenir:
- informations sur les caractéristiques techniques du dispositif Dell LATITUDE E6400 XFR
- nom du fabricant et année de fabrication Dell LATITUDE E6400 XFR
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- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Dell LATITUDE E6400 XFR ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Dell LATITUDE E6400 XFR et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Dell en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Dell LATITUDE E6400 XFR, comme c’est le cas pour la version papier.

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Dell LATITUDE E6400 XFR, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Dell LATITUDE E6400 XFR. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    www.del l.com | support.de ll.c om Del l™ Latitud e™ E 642 0 X FR Service Manual[...]

  • 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[...]

  • 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 .........................................................................................[...]

  • 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 .................................................................................[...]

  • 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 ................................................................................................[...]

  • 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 ...................................................................................[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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.[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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) [...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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 [...]

  • 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- [...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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[...]

  • 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)[...]

  • 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.[...]

  • 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 [...]

  • 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.[...]

  • 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[...]

  • 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[...]

  • 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.[...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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 [...]

  • 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[...]

  • 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 .[...]

  • 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[...]

  • 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.[...]

  • 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.[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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[...]

  • 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 .[...]

  • 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 [...]

  • 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 [...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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 [...]

  • 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 [...]

  • 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[...]

  • 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> [...]

  • 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[...]

  • 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. ?[...]