Validation Tools ........................................................................................................................................................ 198
LCD Built-in Self Test ................................................................................................................................................... 204
Overview : LCD Built-in Self Test (BIST) .............................................................................................................204
How to invoke LCD BIST Test................................................................................................................................204
Battery Status Lights.................................................................................................................................................... 205
Diagnostic LED...............................................................................................................................................................205
Wi-Fi power cycle.......................................................................................................................................................... 206
BIOS recovery................................................................................................................................................................ 206
Rollback BIOS feature............................................................................................................................................. 206
BIOS recovery using hard drive..............................................................................................................................207
BIOS recovery using USB key................................................................................................................................ 207
Self-Heal......................................................................................................................................................................... 208
Course Introduction.................................................................................................................................................208
Self-Heal Instruction................................................................................................................................................208
Supported Latitude Models....................................................................................................................................208
7 Getting help................................................................................................................................................210
Contacting Dell............................................................................................................................................................... 210
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