Dell Inspiron 5485 - Page 6

37 Replacing the system board.......................................................................................................62
Procedure.............................................................................................................................................................................62
Post-requisites.....................................................................................................................................................................63
Entering the Service Tag in the BIOS setup program.................................................................................................... 63
38 Removing the palm-rest and keyboard assembly......................................................................... 65
Prerequisites........................................................................................................................................................................ 65
Procedure.............................................................................................................................................................................65
39 Replacing the palm-rest and keyboard assembly......................................................................... 66
Procedure.............................................................................................................................................................................66
Post-requisites.....................................................................................................................................................................66
40 Device drivers.......................................................................................................................... 67
Video drivers.........................................................................................................................................................................67
Wireless and Bluetooth drivers.......................................................................................................................................... 67
41 System setup........................................................................................................................... 68
System setup....................................................................................................................................................................... 68
Entering BIOS setup program............................................................................................................................................68
Navigation keys....................................................................................................................................................................68
Boot Sequence.................................................................................................................................................................... 68
System setup options......................................................................................................................................................... 69
Clearing CMOS settings..................................................................................................................................................... 72
Clearing BIOS (System Setup) and System passwords.................................................................................................73
42 Troubleshooting....................................................................................................................... 74
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................74
Running the ePSA diagnostics..................................................................................................................................... 74
System diagnostic lights..................................................................................................................................................... 74
Flashing BIOS (USB key)....................................................................................................................................................75
Flashing the BIOS................................................................................................................................................................ 75
WiFi power cycle..................................................................................................................................................................76
Flea power release...............................................................................................................................................................76
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