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Dell 400 - Page 5

Dell 400
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Contents 5
Sound and Speaker Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 49
No sound from speakers
. . . . . . . . . . . . . . . . . . . . . . . . . . 49
No sound from headphones
. . . . . . . . . . . . . . . . . . . . . . . . 50
Video and Monitor Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . 50
If the screen is blank
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
If the screen is difficult to read
. . . . . . . . . . . . . . . . . . . . . . . 51
3 Troubleshooting Tools
Diagnostic Lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Dell Diagnostics Main Menu
. . . . . . . . . . . . . . . . . . . . . . . . 56
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
What Is a Driver?
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Identifying Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Reinstalling Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Resolving Software and Hardware Incompatibilities
. . . . . . . . . . . . . 59
Restoring Your Operating System
. . . . . . . . . . . . . . . . . . . . . . . . 59
Using Microsoft
Windows XP System Restore . . . . . . . . . . . . . . . 60
Using Dell PC Restore by Symantec
. . . . . . . . . . . . . . . . . . . . 61
4 Removing and Installing Parts
Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Recommended Tools
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Turn Off Your Computer
. . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Before Working Inside Your Computer
. . . . . . . . . . . . . . . . . . . 64
Front View of the Computer
. . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Back View of the Computer
. . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Removing the Computer Cover
. . . . . . . . . . . . . . . . . . . . . . . . . . 68
Inside View of Your Computer
. . . . . . . . . . . . . . . . . . . . . . . . . . 70
System Board Components
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Table of Contents

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