Wireless and Bluetooth drivers.......................................................................................................................................... 68
4 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.................................................................................................75
5 Troubleshooting......................................................................................................................... 76
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................76
Running the ePSA diagnostics..................................................................................................................................... 76
System diagnostic lights..................................................................................................................................................... 76
Recovering the operating system......................................................................................................................................77
Flashing the BIOS................................................................................................................................................................ 78
Enabling Intel Optane memory...........................................................................................................................................78
Disabling Intel Optane memory.......................................................................................................................................... 78
Flashing BIOS (USB key)....................................................................................................................................................78
WiFi power cycle..................................................................................................................................................................79
Flea power release...............................................................................................................................................................79
6 Getting help and contacting Dell..................................................................................................80
4
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