Grouding

i have a portable dvd player, that i can connect to my pc via usb, and cheap speakers and they connect via usb and jack, and i can hear when the dvd player spins up the disk, and just sounds that normally only come from the dvd player, but now i can hear it throught my speakers, even if i mute...

Hello all, My issue: Monitor screen goes black (no signal detected) when touching peripheral device (microphone) Situation example: I leave my desk, go get some coffee, return to desk,. Moment I touch my headset/microphone, screen goes dead Observations : Upon black screen, the audible...