Service Manual

BIOS overview..................................................................................................................................................................65
Entering BIOS setup program........................................................................................................................................ 65
System Setup Options.................................................................................................................................................... 65
Flashing the BIOS............................................................................................................................................................ 68
36 System and setup password...................................................................................................................... 69
Assigning a system password and setup password.....................................................................................................69
Deleting or changing an existing system setup password.......................................................................................... 70
Clearing Forgotten Passwords....................................................................................................................................... 70
Prerequisites............................................................................................................................................................... 70
Procedure....................................................................................................................................................................70
Post-requisites............................................................................................................................................................ 71
Clearing CMOS Settings..................................................................................................................................................71
Prerequisites................................................................................................................................................................71
Procedure.................................................................................................................................................................... 71
Post-requisites............................................................................................................................................................72
37 Troubleshooting..........................................................................................................................................73
Flashing the BIOS.............................................................................................................................................................73
Reinstall Windows using a USB recovery drive............................................................................................................ 73
Enhanced Pre-Boot System Assessment (ePSA) diagnostics................................................................................... 74
Running the ePSA diagnostics..................................................................................................................................74
Diagnostics........................................................................................................................................................................74
Flea power release........................................................................................................................................................... 75
Wi-Fi power cycle............................................................................................................................................................ 75
38 Getting help and contacting Dell................................................................................................................ 76
Self-help resources.......................................................................................................................................................... 76
Contacting Dell................................................................................................................................................................. 76
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Contents