Clearing BIOS (System Setup) and System passwords.................................................................................................67
5 Troubleshooting.........................................................................................................................68
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................68
Running the ePSA diagnostics.....................................................................................................................................68
System diagnostic lights.....................................................................................................................................................68
Recovering the operating system..................................................................................................................................... 69
Enabling Intel Optane memory...........................................................................................................................................69
Disabling Intel Optane memory.......................................................................................................................................... 70
Flashing BIOS (USB key)....................................................................................................................................................70
Flashing the BIOS................................................................................................................................................................ 70
Flea power release...............................................................................................................................................................70
Wi-Fi power cycle.................................................................................................................................................................71
6 Getting help and contacting Dell.................................................................................................. 72
Contents 5
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