Wireless and Bluetooth drivers.......................................................................................................................................... 75
4 System setup............................................................................................................................. 76
System setup....................................................................................................................................................................... 76
Entering BIOS setup program............................................................................................................................................76
Navigation keys....................................................................................................................................................................76
Boot Sequence.....................................................................................................................................................................76
System setup options..........................................................................................................................................................77
Clearing CMOS settings......................................................................................................................................................81
Clearing BIOS (System Setup) and System passwords.................................................................................................82
5 Troubleshooting......................................................................................................................... 83
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................83
Running the ePSA diagnostics.....................................................................................................................................83
System diagnostic lights.....................................................................................................................................................83
Recovering the operating system..................................................................................................................................... 84
Flashing the BIOS................................................................................................................................................................85
Enabling Intel Optane memory...........................................................................................................................................85
Disabling Intel Optane memory..........................................................................................................................................85
Flashing BIOS (USB key)....................................................................................................................................................85
WiFi power cycle................................................................................................................................................................. 86
Flea power release...............................................................................................................................................................86
6 Getting help and contacting Dell.................................................................................................. 87
4
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