Chapter 6: Troubleshooting....................................................................................................... 134
Handling swollen Lithium-ion batteries.......................................................................................................................134
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 135
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 135
Built-in self-test (BIST)..................................................................................................................................................135
M-BIST......................................................................................................................................................................... 135
LCD Power rail test (L-BIST)................................................................................................................................. 136
LCD Built-in Self Test (BIST)..................................................................................................................................136
System diagnostic lights................................................................................................................................................ 137
Recovering the operating system................................................................................................................................ 137
Real-Time Clock (RTC Reset)...................................................................................................................................... 138
Backup media and recovery options........................................................................................................................... 138
WiFi power cycle..............................................................................................................................................................138
Drain residual flea power (perform hard reset)........................................................................................................138
Chapter 7: Getting help..............................................................................................................140
Contacting Dell.................................................................................................................................................................140
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