Dell Inspiron 1521 Owner's Manual page 9

Sound and Speaker Problems
No sound from integrated speakers
No sound from external speakers
No sound from headphones
Touch Pad or Mouse Problems
Video and Display Problems
If the display is blank
If the display is difficult to read
If only part of the display is readable
Drivers . . . . . . . . . . . . . . . . . . . . . . . . . .
What Is a Driver?
Identifying Drivers
Reinstalling Drivers and Utilities
Troubleshooting Software and Hardware
Problems
Restoring Your Operating System
Using Microsoft Windows System Restore
Using Dell PC Restore by Symantec
Using the Operating System Media
12 Adding and Replacing Parts
Before You Begin
Recommended Tools
Turning Off Your Computer
Before Working Inside Your Computer
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Contents
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