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Gateway md78 Reference Guide

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If you are using the built-in speakers, make sure 
that nothing is plugged into the headphone jack 
on the notebook. For the location of the 
headphone jack, see 
•
If you are using powered speakers, make sure 
that they are plugged in and turned on.
•
Clean the disc. For more information, see 
.
•
Your notebook may be experiencing some 
temporary memory problems. Shut down and 
restart your notebook.
•
Reinstall the audio device drivers. For more 
.
A DVD movie will not play
•
Make sure that the label or side you want to play 
is facing up, then try again.
•
Shut down and restart your notebook.
•
Clean the DVD. For more information, see 
.
•
Make sure that the disc’s regional code and your 
DVD drive’s regional code match.
•
Make sure that a DVD player program has been 
installed on your notebook. For instructions on 
playing a DVD, see “Playing music and movies” 
in your online 
User Guide
.
A DVD does not produce sound on a television
•
Audio is transmitted through an HDMI 
connection, however, audio is not transmitted 
through a monitor jack. If you are connecting 
your notebook to a television using the monitor 
jack, use the built-in speakers, a set of 
headphones or external powered speakers, or 
connect your notebook to a stereo system to hear 
sound while playing a DVD.
You cannot eject a CD or DVD
•
Your notebook must be turned on to remove CDs 
and DVDs. If you do not want to turn on your 
notebook, manually eject the disc by inserting an 
opened paper clip into the manual eject hole. For 
the location of the manual eject hole, see