Contents 5
3 Advanced Troubleshooting
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . .  48
Using System Restore
 . . . . . . . . . . . . . . . . . . . . . . .  50
Creating a Restore Point
 . . . . . . . . . . . . . . . . . . . .  50
Restoring the Computer to an Earlier Operating State
. . . . . .  51
Undoing the Last System Restore
. . . . . . . . . . . . . . . .  52
Reinstalling Drivers
. . . . . . . . . . . . . . . . . . . . . . . . .  52
Using Windows
®
 XP Device Driver Rollback  . . . . . . . . . .  53
Using the Dell Dimension ResourceCD
. . . . . . . . . . . . . .  53
Resolving Software and Hardware Incompatibilities  . . . . . . .  54
Reinstalling Windows
®
 XP . . . . . . . . . . . . . . . . . . . . .  55
4 Adding Parts
Front and Back View of the Computer . . . . . . . . . . . . . . .  60
Front View
 . . . . . . . . . . . . . . . . . . . . . . . . . . .  60
Back View
 . . . . . . . . . . . . . . . . . . . . . . . . . . .  62
Reattaching the Front Door and Hinge Arms  . . . . . . . . . . .  62
Reattaching the Front Door
. . . . . . . . . . . . . . . . . . .  62
Reattaching the Hinge Arms
 . . . . . . . . . . . . . . . . . .  63
Opening the Computer Cover  . . . . . . . . . . . . . . . . . . .  66
Looking Inside Your Computer
. . . . . . . . . . . . . . . . . . .  68
System Board
. . . . . . . . . . . . . . . . . . . . . . . . . .  69
Installing and Removing Cards
. . . . . . . . . . . . . . . . . . .  70
Installing a Card
 . . . . . . . . . . . . . . . . . . . . . . . .  70
Removing a Card
 . . . . . . . . . . . . . . . . . . . . . . . .  74
Adding Memory . . . . . . . . . . . . . . . . . . . . . . . . . . .  76
Removing a Memory Module
 . . . . . . . . . . . . . . . . . .  76
Adding a Memory Module
. . . . . . . . . . . . . . . . . . . .  77