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Entering BIOS setup program............................................................................................................................................ 77
Navigation keys.................................................................................................................................................................... 77
Boot Sequence.....................................................................................................................................................................78
Clearing CMOS settings..................................................................................................................................................... 78
Clearing BIOS (System Setup) and System passwords.................................................................................................78
5 Troubleshooting......................................................................................................................... 79
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................79
Running the ePSA diagnostics..................................................................................................................................... 79
System diagnostic lights..................................................................................................................................................... 79
Recovering the operating system..................................................................................................................................... 80
Flashing the BIOS................................................................................................................................................................ 80
Enabling Intel Optane memory........................................................................................................................................... 81
Disabling Intel Optane memory...........................................................................................................................................81
Flashing BIOS (USB key).................................................................................................................................................... 81
WiFi power cycle.................................................................................................................................................................. 81
Flea power release...............................................................................................................................................................82
6 Getting help and contacting Dell..................................................................................................83
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