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Contents 5
Printer Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Scanner Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Sound and Speaker Problems
. . . . . . . . . . . . . . . . . . . . . . . 43
No sound from speakers
. . . . . . . . . . . . . . . . . . . . . . . . 43
No sound from headphones
. . . . . . . . . . . . . . . . . . . . . . 44
Video and Monitor Problems
. . . . . . . . . . . . . . . . . . . . . . . . 44
If the screen is blank
. . . . . . . . . . . . . . . . . . . . . . . . . 44
If the screen is difficult to read
. . . . . . . . . . . . . . . . . . . . . 45
3 Troubleshooting Tools
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Dell Diagnostics Main Menu
. . . . . . . . . . . . . . . . . . . . . . 50
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
What Is a Driver?
. . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Identifying Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Reinstalling Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . 52
Resolving Software and Hardware Incompatibilities
. . . . . . . . . . . . 53
Restoring Your Operating System
. . . . . . . . . . . . . . . . . . . . . . 53
Using Microsoft
Windows XP System Restore . . . . . . . . . . . . . 54
Using Dell PC Restore by Symantec
. . . . . . . . . . . . . . . . . . 55
Using the Operating System CD
. . . . . . . . . . . . . . . . . . . . 57
4 Removing and Installing Parts
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Recommended Tools
. . . . . . . . . . . . . . . . . . . . . . . . . 59
Turning Off Your Computer
. . . . . . . . . . . . . . . . . . . . . . . 59
Before Working Inside Your Computer
. . . . . . . . . . . . . . . . . 60
Front View of the Computer
. . . . . . . . . . . . . . . . . . . . . . . . . 61
Back View of the Computer
. . . . . . . . . . . . . . . . . . . . . . . . 63
Removing the Computer Cover
. . . . . . . . . . . . . . . . . . . . . . . 65
Inside View of Your Computer
. . . . . . . . . . . . . . . . . . . . . . . 66
WD846bk2.book Page 5 Thursday, September 14, 2006 2:40 PM