Quote:

Any thoughts?



Is there anything else connected to your receiver like an antenna or powered subwoofer?

If you are connecting your computer with unshielded cables you could be picking up inherence from a power cord or the computers power supply.

Do you hear the hum when the computer is hooked up but powered off? It might be the power supply.

If you have some extra speaker wire you could try grounding the computer’s chassis directly to the receiver’s chassis. If this reduces the hum at least you will likely confirm it’s a grounding issue.

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