Prerequisites......................................................................................................................................................................... 81
Procedure..............................................................................................................................................................................81
37 Replacing the power button with fingerprint reader.....................................................................83
Procedure............................................................................................................................................................................. 83
Post-requisites.....................................................................................................................................................................83
38 Removing the palm-rest and keyboard assembly......................................................................... 85
Prerequisites........................................................................................................................................................................ 85
Procedure.............................................................................................................................................................................85
39 Replacing the palm-rest and keyboard assembly..........................................................................87
Procedure............................................................................................................................................................................. 87
Post-requisites..................................................................................................................................................................... 87
40 Device drivers.......................................................................................................................... 89
Intel Chipset Software Installation Utility......................................................................................................................... 89
Video drivers........................................................................................................................................................................ 89
Intel Serial IO driver............................................................................................................................................................. 89
Intel Trusted Execution Engine Interface......................................................................................................................... 89
Intel Virtual Button driver................................................................................................................................................... 89
Wireless and Bluetooth drivers.......................................................................................................................................... 89
41 System setup........................................................................................................................... 90
System setup....................................................................................................................................................................... 90
Entering BIOS setup program............................................................................................................................................90
Navigation keys................................................................................................................................................................... 90
Boot Sequence.................................................................................................................................................................... 90
System setup options.......................................................................................................................................................... 91
Clearing CMOS settings.....................................................................................................................................................95
Clearing BIOS (System Setup) and System passwords.................................................................................................95
42 Troubleshooting....................................................................................................................... 96
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................96
Running the ePSA diagnostics.....................................................................................................................................96
System diagnostic lights.....................................................................................................................................................96
Flashing BIOS (USB key)....................................................................................................................................................97
Flashing the BIOS................................................................................................................................................................ 97
Enabling Intel Optane memory...........................................................................................................................................98
Disabling Intel Optane memory..........................................................................................................................................98
WiFi power cycle................................................................................................................................................................. 98
Flea power release...............................................................................................................................................................98
43 Getting help and contacting Dell...............................................................................................100
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