Service Manual

System setup................................................................................................................... 103
Boot Sequence................................................................................................................................................103
Navigation keys...............................................................................................................................................103
BIOS overview................................................................................................................................................ 103
Entering BIOS setup program.......................................................................................................................... 104
System setup options....................................................................................................................................... 104
Clearing CMOS Settings..................................................................................................................................107
Procedure..................................................................................................................................................107
Clearing forgotten passwords.......................................................................................................................... 108
Procedure................................................................................................................................................. 108
Flashing the BIOS............................................................................................................................................108
Troubleshooting...............................................................................................................110
Enhanced Pre-Boot System Assessment (ePSA) diagnostics................................................................................110
Running the ePSA Diagnostics.................................................................................................................... 110
System diagnostic lights....................................................................................................................................110
Flashing BIOS (USB key)...................................................................................................................................111
Flashing the BIOS............................................................................................................................................. 111
Backup media and recovery options.................................................................................................................. 111
Wi-Fi power cycle............................................................................................................................................112
Flea power release........................................................................................................................................... 112
Getting help and contacting Dell....................................................................................113
Self-help resources...........................................................................................................................................113
Contacting Dell................................................................................................................................................113
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