Dell Inspiron 3471 - Page 6

37 Replacing the system board.......................................................................................................64
Procedure.............................................................................................................................................................................64
Post-requisites.....................................................................................................................................................................65
38 System setup........................................................................................................................... 67
BIOS overview..................................................................................................................................................................... 67
Entering BIOS setup program............................................................................................................................................67
Navigation keys....................................................................................................................................................................67
Boot Sequence.....................................................................................................................................................................67
System setup options......................................................................................................................................................... 68
Clearing forgotten passwords............................................................................................................................................75
Prerequisites...................................................................................................................................................................75
Procedure....................................................................................................................................................................... 75
Post-requisites............................................................................................................................................................... 76
Clearing CMOS settings..................................................................................................................................................... 76
Prerequisites...................................................................................................................................................................76
Procedure....................................................................................................................................................................... 76
Post-requisites............................................................................................................................................................... 77
39 Troubleshooting....................................................................................................................... 78
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................78
Running the ePSA diagnostics..................................................................................................................................... 78
Diagnostics........................................................................................................................................................................... 78
Recovering the operating system......................................................................................................................................79
Flashing BIOS (USB key)....................................................................................................................................................79
Flashing the BIOS................................................................................................................................................................ 79
WiFi power cycle................................................................................................................................................................. 80
Flea power release...............................................................................................................................................................80
40 Getting help and contacting Dell................................................................................................ 81
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