M-BIST......................................................................................................................................................................... 130
LCD Power rail test (L-BIST).................................................................................................................................. 131
LCD Built-in Self Test (BIST).................................................................................................................................. 131
LED Indicators and Characteristics............................................................................................................................. 132
Battery Charge and Status LED ............................................................................................................................132
System-diagnostic lights................................................................................................................................................132
Recovering the operating system................................................................................................................................133
Real-Time Clock (RTC Reset)...................................................................................................................................... 133
Backup media and recovery options........................................................................................................................... 133
WiFi power cycle..............................................................................................................................................................133
Drain residual flea power (perform hard reset)........................................................................................................134
Chapter 7: Getting help..............................................................................................................135
Contacting Dell.................................................................................................................................................................135
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