Dell Latitude 7480 Owner's Manual page 6

LCD Power rail test (L-BIST)................................................................................................................................... 75
LCD Built-in Self Test (BIST)................................................................................................................................... 75
System diagnostic lights.................................................................................................................................................. 76
Real-Time Clock (RTC Reset)........................................................................................................................................ 77
Recovering the operating system..................................................................................................................................77
Backup media and recovery options............................................................................................................................. 77
WiFi power cycle................................................................................................................................................................78
Drain residual flea power (perform hard reset)......................................................................................................... 78
Chapter 6: Contacting Dell.......................................................................................................... 79
6 Contents