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Dell Dimension 8400 - Page 5

Dell Dimension 8400
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Contents 5
Scanner Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Sound and Speaker Problems
. . . . . . . . . . . . . . . . . . . . . . . 47
No sound from speakers
. . . . . . . . . . . . . . . . . . . . . . . . 47
No sound from headphones
. . . . . . . . . . . . . . . . . . . . . . 48
Video and Monitor Problems
. . . . . . . . . . . . . . . . . . . . . . . . 48
If the screen is blank
. . . . . . . . . . . . . . . . . . . . . . . . . 48
If the screen is difficult to read
. . . . . . . . . . . . . . . . . . . . . 49
3 Advanced Troubleshooting
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Dell Diagnostics Main Menu
. . . . . . . . . . . . . . . . . . . . . . 55
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
What Is a Driver?
. . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Identifying Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Reinstalling Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . 57
Restoring Your Operating System
. . . . . . . . . . . . . . . . . . . . . . 58
Using Microsoft
Windows XP System Restore . . . . . . . . . . . . . 59
Using Dell PC Restore by Symantec
. . . . . . . . . . . . . . . . . . 60
Resolving Software and Hardware Incompatibilities
. . . . . . . . . . . . 61
4 Removing and Installing Parts
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Recommended Tools
. . . . . . . . . . . . . . . . . . . . . . . . . 63
Turning Off Your Computer
. . . . . . . . . . . . . . . . . . . . . . . 63
Before Working Inside Your Computer
. . . . . . . . . . . . . . . . . 64
Front View
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Back View
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Front-Panel Door and Hinge Arms
. . . . . . . . . . . . . . . . . . . . . 69
Reattaching the Hinge Arms
. . . . . . . . . . . . . . . . . . . . . . 69
Reattaching the Front Door
. . . . . . . . . . . . . . . . . . . . . . 72
Opening the Computer Cover
. . . . . . . . . . . . . . . . . . . . . . . . 73

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