Built-in self-test (BIST).................................................................................................................................................. 113
M-BIST.......................................................................................................................................................................... 113
LCD Power rail test (L-BIST).................................................................................................................................. 114
LCD Built-in Self Test (BIST).................................................................................................................................. 114
System-diagnostic lights.................................................................................................................................................114
Recovering the operating system.................................................................................................................................116
Real-Time Clock (RTC Reset).......................................................................................................................................116
Backup media and recovery options............................................................................................................................ 116
WiFi power cycle...............................................................................................................................................................117
Drain residual flea power (perform hard reset).........................................................................................................117
Chapter 6: Getting help and contacting Dell............................................................................... 118
6 Contents