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System diagnostic lights..................................................................................................................................................... 77
Recovering the operating system......................................................................................................................................78
Flashing BIOS (USB key)....................................................................................................................................................78
Flashing the BIOS................................................................................................................................................................ 79
Enabling Intel Optane memory...........................................................................................................................................79
Disabling Intel Optane memory.......................................................................................................................................... 79
WiFi power cycle................................................................................................................................................................. 80
Flea power release...............................................................................................................................................................80
6 Getting help and contacting Dell.................................................................................................. 81
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