Service Manual

32 Troubleshooting....................................................................................................................... 64
Flashing the BIOS................................................................................................................................................................ 64
Reinstall Windows using a USB recovery drive............................................................................................................... 64
Flashing BIOS (USB key)....................................................................................................................................................64
Fixing a no-boot issue caused by USB-boot support..................................................................................................... 65
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................65
Running the ePSA diagnostics.....................................................................................................................................65
System diagnostic lights.....................................................................................................................................................66
Flea power release...............................................................................................................................................................66
WiFi power cycle..................................................................................................................................................................67
33 Getting help and contacting Dell................................................................................................ 68
6 Contents