Dell Alienware m18 R2 - Page 6

Clearing CMOS settings................................................................................................................................................... 118
Clearing BIOS (System Setup) and System passwords....................................................................................................118
Chapter 10: Troubleshooting................................................................................................................119
Handling swollen rechargeable Li-ion batteries............................................................................................................. 119
Locate the Service Tag or Express Service Code of your Dell computer ..................................................................119
Dell SupportAssist Pre-boot System Performance Check diagnostics..........................................................................120
Running the SupportAssist Pre-Boot System Performance Check...........................................................................120
Built-in self-test (BIST).....................................................................................................................................................120
M-BIST.........................................................................................................................................................................120
LCD Power rail test (L-BIST).......................................................................................................................................121
LCD Built-in Self-Test (BIST)......................................................................................................................................121
System-diagnostic lights...................................................................................................................................................122
Recovering the operating system.....................................................................................................................................123
Backup media and recovery options................................................................................................................................123
Wi-Fi power cycle............................................................................................................................................................ 123
Drain residual flea power (perform hard reset).............................................................................................................. 123
Chapter 11: Getting help and contacting Alienware.......................................................................... 125
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