Check your video settings and make sure you don't have the horizontal frequency
too high.

Mike M wrote:

> hey guys i have a Sony 15" monitor with built in speakers and mic.  Lately, ev
ery now and then it starts to make this high pitched squeeling noise..NOT out of
 the speakers, but internally somewhere.  If i unplug or press the mute button o
n the speakers, the sound still continues, and it doesnt sound like its comming
from the speakers.  The microphone is NOT CONNected so its not from that either.
.. any ideas?
>
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