Dell™ Latitude™ E6420 XFR Service ManualPage 3Table of Contents1 WORKING ON YOUR COMPUTER ............................................................................................................................... 71.1 R ECOMMENDED TOOLS .............................................................................................................................................................. 71.2 B EFORE WORKING ON YOUR C OMPUTER ................................................................................................................................. 71.3 A FTER WORKING ON YOUR C OMPUTER ................................................................................................................................... 82 BOTTOM ACCESS PANEL ................................................................................................................................................ 92.1 R EMOVING THE B OTTOM A CCESS PANEL ................................................................................................................................. 92.2 R EPLACING THE B OTTOM A CCESS PANEL................................................................................................................................. 93 WLAN/WIMAX CARD ..................................................................................................................................................... 103.1 R EMOVING THE WLAN/WI M AX C ARD ................................................................................................................................... 103.2 R EPLACING THE WLAN/WI M AX C ARD .................................................................................................................................. 114 WWAN/FMC CARD .......................................................................................................................................................... 124.1 R EMOVING A WWAN/FMC C ARD .......................................................................................................................................... 124.2 R EPLACING A WWAN/FMC C ARD ......................................................................................................................................... 135 WPAN (UWB) CARD ....................................................................................................................................................... 135.1 R EMOVING A WPAN (UWB) C ARD ....................................................................................................................................... 135.2 R EPLACING A WPAN (UWB) C ARD....................................................................................................................................... 156 RF PASSTHRU BOARD (OPTIONAL) ....................................................................................................................... 156.1 R EMOVING THE RF PASSTHRU B OARD ................................................................................................................................... 156.2 R EPLACING THE RF PASSTHRU BOARD .................................................................................................................................. 177 FAN ASSEMBLY................................................................................................................................................................. 187.1 R EMOVING THE F AN A SSEMBLY............................................................................................................................................... 187.2 R EPLACING THE F AN A SSEMBLY .............................................................................................................................................. 198 PROCESSOR HEATSINK ASSEMBLY ........................................................................................................................ 208.1 R EMOVING THE PROCESSOR HEATSINK ASSEMBLY............................................................................................................... 208.2 R EPLACING THE PROCESSOR HEATSINK A SSEMBLY .............................................................................................................. 219 PROCESSOR MODULE .................................................................................................................................................... 229.1 R EMOVING THE PROCESSOR M ODULE .................................................................................................................................... 229.2 R EPLACING THE PROCESSOR M ODULE ................................................................................................................................... 2210 MEMORY ........................................................................................................................................................................... 2410.1 R EMOVING A M EMORY M ODULE........................................................................................................................................... 2410.2 R EPLACING A M EMORY MODULE .......................................................................................................................................... 2511 COIN-CELL BATTERY .................................................................................................................................................. 2511.1 R EMOVING THE C OIN-C ELL B ATTERY ................................................................................................................................. 2511.2 R EPLACING THE C OIN-C ELL B ATTERY................................................................................................................................. 2612 KEYBOARD COVER....................................................................................................................................................... 2712.1 R EMOVING THE K EYBOARD C OVER...................................................................................................................................... 2712.2 R EPLACING THE K EYBOARD C OVER ..................................................................................................................................... 2713 KEYBOARD ...................................................................................................................................................................... 28