Gateway 450ROG - Page 265

255
Troubleshooting
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■ Make sure that the volume control on your notebook is turned up. For
more information, see “System key combinations” on page 28.
■ Make sure that the Windows volume control is turned up. For more
information, see “Adjusting the volume” on page 96.
■ Make sure that Mute controls are turned off. For more information about
the mute setting, see “System key combinations” on page 28 or “Adjusting
the volume” on page 96.
■ Make sure that headphones are not plugged into the headphone jack. For
the location of the headphone jack, see “Left side” on page 3 and “Back”
on page 246.
■ If you are using powered speakers, make sure that they are plugged in and
turned on.
■ Clean the disc. For more information, see “Cleaning CDs or DVDs” on
page 256.
■ Your notebook may be experiencing some temporary memory problems.
Shut down and restart your notebook.
■ Reinstall the audio device drivers. For more information, see “Reinstalling
device drivers” on page 224.
A DVD movie will not play
■ Make sure that the label or side you want to play is facing up, then try
again.
■ Make sure that you have a DVD drive. See “Identifying drive types” on
page 108 for more information.
■ The DVD drive may not be inserted completely into the modular bay. Press
the module into the bay, then try to access the disc again.
■ Shut down and restart your notebook.
■ Clean the DVD. For more information, see “Cleaning CDs or DVDs” on
page 256.