Dell Inspiron 7501 Service Manual page 5

Pre-boot behavior..........................................................................................................................................................74
Connection options........................................................................................................................................................74
Performance...................................................................................................................................................................75
System logs.................................................................................................................................................................... 76
Chapter 5: Troubleshooting............................................................................................................77
Built-in self-test (BIST).......................................................................................................................................................77
System board built-in self-test (M-BIST).........................................................................................................................77
Display panel power rail built-in self-test (L-BIST)..........................................................................................................78
Display panel built-in self-test (LCD-BIST)...................................................................................................................... 78
Outcome............................................................................................................................................................................... 79
SupportAssist diagnostics.................................................................................................................................................. 79
Running the SupportAssist diagnostics............................................................................................................................ 79
System diagnostic lights..................................................................................................................................................... 79
Recovering the operating system..................................................................................................................................... 80
Flashing the BIOS.................................................................................................................................................................81
Flashing BIOS (USB key).................................................................................................................................................... 81
Backup media and recovery options..................................................................................................................................81
WiFi power cycle.................................................................................................................................................................. 81
Chapter 6: Getting help and contacting Dell.................................................................................... 83
Contents 5