I recently got an Acer Aspire desktop, and am having issues using it with my M-Audio M-Tack usb interface. I hear a constant high-pitched background noise in my Behringer monitors, as well as cpu[?] noises when I move my mouse etc.
Interestingly, I have observed that the noise is much worse/louder when I unplug my HDMI monitor.
My question is: What can I do to eliminate or lessen the noise? Is it a problem with the computer, is it a fixable grounding issue (HDMI clue), or something else?
I would really appreciate any tips/advice!
UPDATE 01/25/2017: Still trying to isolate the problem...
I have tried a different computer, with exactly the same results. No problems whatsoever when I use with my laptop. The cpu noise is relatively bearable, but the high pitched whine that comes on when I start recording or voice chat software is annoying.
The only gain/volume control that has any affect on both types of noise is the gain adjustment knob on the back of the speaker.
When I record a track, it sounds like the only detectable noise enters it through the mic, i.e. the noise is not actually in my input, but the monitors produce it whenever the input becomes active.