Dell™ Latitude™ E6420 XFR Service ManualPage 639.3 R EMOVING THE HDMI/ ESATA D OOR ................................................................................................................................ 6939.4 R EPLACING THE HDMI/ ESATA D OOR ............................................................................................................................... 7039.5 R EMOVING THE B ATTERY D OOR .......................................................................................................................................... 7039.6 R EPLACING THE B ATTERY DOOR ......................................................................................................................................... 7039.7 R EMOVING THE POWER AND/ OR LAN D OOR ..................................................................................................................... 7139.8 R EPLACING THE POWER AND/ OR LAN D OOR..................................................................................................................... 7139.9 R EMOVING THE VGA/S ERIAL D OOR................................................................................................................................... 7239.10 R EPLACING THE VGA/S ERIAL D OOR .................................................................................................................................. 7239.11 R EMOVING THE VGA PANEL C OVER ................................................................................................................................... 7239.12 R EPLACING THE VGA PANEL C OVER ................................................................................................................................... 7339.13 R EMOVING THE HDD D OOR ................................................................................................................................................ 7339.14 R EPLACING THE HDD D OOR ............................................................................................................................................... 7340 SYSTEM SETUP .............................................................................................................................................................. 7440.1 S ETUP OVERVIEW ................................................................................................................................................................. 7440.2 S YSTEM S ETUP M ENU ........................................................................................................................................................... 7441 DIAGNOSTICS ............................................................................................................................................................... 8041.1 B ATTERY S TATUS LIGHTS .................................................................................................................................................... 8141.2 D EVICE S TATUS LIGHTS....................................................................................................................................................... 8142 CONTACTING DELL ..................................................................................................................................................... 81