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When I connect my laptop to a small flat screen with a VGA cable a low buzzing sound comes from my speakers. What do I do?

Asked by pikipupiba (1629points) July 29th, 2010

When I connect my laptop up to a 720p TV my speakers buzz. I am connecting the audio output of my laptop to an external amplifier that powers my speakers. There is no buzzing when I plug the laptop audio out into the TV and have the VGA plugged in.

The volume of the buzzing doesn’t change with the master volume of the amplifiers. The buzzing starts whenever the cable is plugged in, whether the computer is playing anything or not.

Why is this happening and how do I fix it???

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