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Solving problems
Troubleshooting topics are listed in alphabetical order.
Add-in cards
The computer does not recognize an add-in card
■ Shut down and restart your computer.
■ Make sure that you have installed the required software. For more
information, see the documentation that came with your add-in card.
Audio
See “Sound” on page 151.
Battery
See “Power” on page 149.
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 drive types” on page 44.
■ 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 CDs or DVDs” on
page 128.
■ Restart your computer, then enter the BIOS Setup utility by pressing and
holding F1 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.