Dell Latitude 5500 Service Manual page 6

Handling swollen Lithium-ion batteries.......................................................................................................................130
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 130
Running the SupportAssist Pre-Boot System Performance Check............................................................... 131
Built-in self-test (BIST).................................................................................................................................................. 131
M-BIST.......................................................................................................................................................................... 131
LCD Power rail test (L-BIST)..................................................................................................................................132
LCD Built-in Self Test (BIST)..................................................................................................................................132
System diagnostic lights................................................................................................................................................ 132
Recovering the operating system................................................................................................................................133
Real-Time Clock (RTC Reset)...................................................................................................................................... 134
Backup media and recovery options........................................................................................................................... 134
WiFi power cycle..............................................................................................................................................................134
Drain residual flea power (perform hard reset)........................................................................................................134
Chapter 7: Getting help and contacting Dell............................................................................... 136
6 Contents