Dell PP29L owner manual Reinstalling Drivers and Utilities, Restoring Your Operating System

Sound and Speaker Problems	96
No sound from integrated speakers	96
No sound from external speakers	96
No sound from headphones	97
Touch Pad or Mouse Problems	97
Video and Display Problems	98
If the display is blank	98
If the display is difficult to read	99
If only part of the display is readable	99
Drivers	100
What Is a Driver?	100
Identifying Drivers	100
Reinstalling Drivers and Utilities	100
Troubleshooting Software and Hardware
Problems in the Microsoft® Windows® XP
Operating System	103
Restoring Your Operating System	103
Using Microsoft Windows System Restore . . . .	103
Starting System Restore	104
Using the Operating System Media	105

11 Adding and Replacing Parts . . . . . . . . . 107

Before You Begin	107
Recommended Tools	107
Turning Off Your Computer	107
Before Working Inside Your Computer	108

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