7 Troubleshooting........................................................................................................................................... 57
Basic troubleshooting steps............................................................................................................................................57
Diagnostics........................................................................................................................................................................57
Pre-Boot System Assessment..................................................................................................................................57
Enhanced PSA........................................................................................................................................................... 58
LCD BIST.................................................................................................................................................................... 58
Beep codes................................................................................................................................................................. 59
8 BIOS............................................................................................................................................................60
Changing BIOS settings.................................................................................................................................................. 60
Entering BIOS setup program........................................................................................................................................ 60
Resetting BIOS password............................................................................................................................................... 60
Remove the CMOS battery......................................................................................................................................60
Use system-board jumper......................................................................................................................................... 61
Changing the boot sequence.......................................................................................................................................... 61
Using boot menu.........................................................................................................................................................61
Using BIOS setup program........................................................................................................................................ 61
Getting help...................................................................................................................................................................... 62
Self-help resources.................................................................................................................................................... 62
Contacting Dell.................................................................................................................................................................63
10 References................................................................................................................................................. 64
Computer maintenance...................................................................................................................................................64
Power management........................................................................................................................................................ 64
Configuring power settings...................................................................................................................................... 65
Dell Power Manager.................................................................................................................................................. 66
Improving battery life.......................................................................................................................................................66
Dell longevity mode....................................................................................................................................................66
Dell desktop mode......................................................................................................................................................67
Migration tips....................................................................................................................................................................67
Ergonomic instructions....................................................................................................................................................67
Dell and the environment................................................................................................................................................ 68
Regulatory compliance policy......................................................................................................................................... 69
6
Contents