LCD Built-in Self-Test (BIST)................................................................................................................................. 167
System-diagnostic lights................................................................................................................................................168
Recovering the operating system................................................................................................................................169
Real-Time Clock (RTC Reset)...................................................................................................................................... 169
Backup media and recovery options........................................................................................................................... 170
Wi-Fi power cycle............................................................................................................................................................ 170
Drain residual flea power (perform hard reset)........................................................................................................170
Chapter 10: Getting help and contacting Dell.............................................................................. 171
Contents 7
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