Service Manual

System setup options......................................................................................................................................................... 96
Clearing CMOS settings................................................................................................................................................... 100
Clearing BIOS (System Setup) and System passwords................................................................................................101
46 Troubleshooting......................................................................................................................102
Enhanced Pre-Boot System Assessment (ePSA) diagnostics.................................................................................... 102
Running the ePSA diagnostics................................................................................................................................... 102
System diagnostic lights................................................................................................................................................... 102
Flashing BIOS (USB key).................................................................................................................................................. 103
Flashing the BIOS...............................................................................................................................................................103
Enabling Intel Optane memory......................................................................................................................................... 104
Disabling Intel Optane memory........................................................................................................................................ 104
WiFi power cycle................................................................................................................................................................104
Flea power release............................................................................................................................................................. 104
47 Getting help and contacting Dell...............................................................................................106
Contents 7