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Troubleshooting
Troubleshooting topics are listed in alphabetical order.
Add-in cards
See “Expansion cards” on page 107.
Audio
See “Sound” on page 122.
CD or DVD drives
The computer does not recognize a disc or the CD or DVD drive
•Make sure that the disc label is facing up, then try again.
•Try a different disc. Occasionally, discs are flawed or become scratched and cannot be read by the CD or DVD drive.
•If you are trying to play a DVD, make sure that you have a DVD drive. To identify your drive type, see “Identifying optical drive types” on page 25.
•Your computer may be experiencing some temporary memory problems. Shut down and restart your computer.
•Some music CDs have copy protection software. You may not be able to play these CDs on your computer.
•Clean the disc. For more information, see “Cleaning optical discs” on page 88.
•Restart your computer, then enter the BIOS Setup utility by pressing and holding F2 while your computer restarts. Make sure that the IDE controllers are enabled.
•Make sure that the drive is configured correctly by following the instructions in the drive documentation.
•Reinstall the device driver.
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