Quote: It's a soundcard by steelseries, but that shouldn't really matter if I used a dedicated soundcard and onboard audio (with the usb soundcard removed)

The sound is consistent low be.e.e.e.e.e.e.e.e.e.e.e.e.ep with a bit of static sound mixed in. This is what I've done:   1. Tried 3 different audio inputs: brand new dedicated soundcard (encore brand), usb sound card and onboard audio from the back input jack. 2. Unplugged monitor...