7 Troubleshooting........................................................................................................................................... 55
Basic troubleshooting steps........................................................................................................................................... 55
Diagnostics....................................................................................................................................................................... 55
Pre-Boot System Assessment................................................................................................................................. 55
Enhanced PSA........................................................................................................................................................... 56
LCD BIST.................................................................................................................................................................... 56
Beep codes................................................................................................................................................................. 57
8 BIOS............................................................................................................................................................58
Changing BIOS settings..................................................................................................................................................58
Entering BIOS setup program........................................................................................................................................ 58
Resetting BIOS password............................................................................................................................................... 58
Remove the CMOS battery......................................................................................................................................58
Use system‑board jumper.........................................................................................................................................59
Boot Sequence.................................................................................................................................................................59
9 Getting help and contacting Dell..................................................................................................................60
Self-help resources..........................................................................................................................................................60
Contacting Dell.................................................................................................................................................................60
10 References..................................................................................................................................................61
Computer maintenance................................................................................................................................................... 61
Power management......................................................................................................................................................... 61
Conguring power settings....................................................................................................................................... 61
Conguring the power button behavior..................................................................................................................62
Dell Power Manager.................................................................................................................................................. 62
Improving battery life.......................................................................................................................................................63
Dell longevity mode....................................................................................................................................................63
Dell desktop mode..................................................................................................................................................... 63
Migration tips....................................................................................................................................................................64
Migrating from one Windows operating system to a newer Windows operating system.................................64
Ergonomic instructions....................................................................................................................................................64
Dell and the environment................................................................................................................................................65
Regulatory compliance policy......................................................................................................................................... 66
Contact details for regulatory compliance web site.............................................................................................. 66
Additional compliance information...........................................................................................................................66
6
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