Display panel power rail built-in self-test (L-BIST)....................................................................................................74
Display panel built-in self-test (LCD-BIST)................................................................................................................ 75
Outcome......................................................................................................................................................................... 75
System diagnostic lights..................................................................................................................................................... 76
Flashing BIOS (USB key).................................................................................................................................................... 77
Recovering the operating system......................................................................................................................................77
Flea power release............................................................................................................................................................... 77
Flashing the BIOS................................................................................................................................................................ 77
Backup media and recovery options................................................................................................................................. 78
WiFi power cycle..................................................................................................................................................................78
Flea power release...............................................................................................................................................................78
Chapter 6: Getting help and contacting Dell.................................................................................... 79
Contents 5
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