M-BIST.......................................................................................................................................................................... 131
LCD Power rail test (L-BIST)..................................................................................................................................132
LCD Built-in Self Test (BIST)..................................................................................................................................132
LED Indicators and Characteristics............................................................................................................................. 133
Battery Charge and Status LED ............................................................................................................................133
System diagnostic lights................................................................................................................................................ 133
Recovering the operating system................................................................................................................................134
Real-Time Clock (RTC Reset)...................................................................................................................................... 134
Backup media and recovery options........................................................................................................................... 134
WiFi power cycle..............................................................................................................................................................134
Drain residual flea power (perform hard reset)........................................................................................................135
Chapter 7: Getting help..............................................................................................................136
Contacting Dell.................................................................................................................................................................136
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