Dell Latitude 3320 Service Manual page 5

Handling swollen Lithium-ion batteries........................................................................................................................ 75
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................75
Running the SupportAssist Pre-Boot System Performance Check................................................................ 76
Built-in self-test (BIST)................................................................................................................................................... 76
M-BIST........................................................................................................................................................................... 76
LCD Power rail test (L-BIST)................................................................................................................................... 77
LCD Built-in Self Test (BIST)....................................................................................................................................77
System-diagnostic lights..................................................................................................................................................77
Recovering the operating system..................................................................................................................................79
Real-Time Clock (RTC Reset)........................................................................................................................................79
Backup media and recovery options............................................................................................................................. 79
WiFi power cycle............................................................................................................................................................... 80
Drain residual flea power (perform hard reset)......................................................................................................... 80
Chapter 6: Getting help and contacting Dell.................................................................................81
Contents 5