Updating the BIOS using the USB drive in Windows..........................................................................................78
Updating the BIOS from the F12 One-Time boot menu.....................................................................................78
Chapter 5: Troubleshooting......................................................................................................... 79
Locate the Service Tag or Express Service Code of your Dell computer ..............................................79
System-diagnostic lights................................................................................................................................................. 79
SupportAssist diagnostics...............................................................................................................................................80
Built-in self-test (BIST)................................................................................................................................................... 80
LCD Built-in Self Test (BIST)................................................................................................................................... 80
Recovering the operating system.................................................................................................................................. 81
WiFi power cycle................................................................................................................................................................ 81
Drain residual flea power (perform hard reset).......................................................................................................... 81
Chapter 6: Getting help and contacting Dell................................................................................ 82
Contents 5
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