Dell P93F Service Manual page 6

Chapter 5: Troubleshooting....................................................................................................... 132
Built-in self-test (BIST)..................................................................................................................................................132
M-BIST......................................................................................................................................................................... 132
M-BIST......................................................................................................................................................................... 133
LCD Power rail test (L-BIST)..................................................................................................................................133
LCD Built-in Self Test (BIST)..................................................................................................................................133
LCD Built-in Self Test (BIST)..................................................................................................................................134
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 134
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 134
System-diagnostic lights................................................................................................................................................135
Recovering the operating system................................................................................................................................136
Backup media and recovery options........................................................................................................................... 137
Real Time Clock-RTC reset........................................................................................................................................ 137
Updating the BIOS in Windows.................................................................................................................................... 137
Updating the BIOS using the USB drive in Windows.............................................................................................. 138
WiFi power cycle..............................................................................................................................................................138
Drain residual flea power (perform hard reset)........................................................................................................138
Chapter 6: Getting help and contacting Dell...............................................................................140
6 Contents