Prerequisites.....................................................................................................................................................................60
Procedure......................................................................................................................................................................... 60
37 Replacing the system board....................................................................................................................... 62
Procedure..........................................................................................................................................................................62
Post-requisites..................................................................................................................................................................63
Entering the Service Tag in the BIOS setup program................................................................................................. 64
38 Removing the palm-rest and keyboard assembly....................................................................................... 65
Prerequisites.....................................................................................................................................................................65
Procedure......................................................................................................................................................................... 65
39 Replacing the palm-rest and keyboard assembly........................................................................................67
Procedure..........................................................................................................................................................................67
Post-requisites..................................................................................................................................................................67
40 Device drivers............................................................................................................................................68
Video drivers.....................................................................................................................................................................68
Wireless and Bluetooth drivers.......................................................................................................................................68
41 System setup............................................................................................................................................. 69
System setup....................................................................................................................................................................69
Entering BIOS setup program........................................................................................................................................ 69
Navigation keys................................................................................................................................................................69
Boot Sequence.................................................................................................................................................................69
System setup options......................................................................................................................................................70
Clearing CMOS settings..................................................................................................................................................74
Clearing BIOS (System Setup) and System passwords.............................................................................................. 74
42 Troubleshooting......................................................................................................................................... 75
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................................................................................75
Running the ePSA diagnostics................................................................................................................................. 75
System diagnostic lights..................................................................................................................................................75
Flashing BIOS (USB key)................................................................................................................................................ 76
Flashing the BIOS.............................................................................................................................................................77
WiFi power cycle.............................................................................................................................................................. 77
Flea power release............................................................................................................................................................77
6
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