Left for a few hours and came home to a message stating that the DVI is in power save mode or something along those lines. I have a Radeon HD 7750 Low Profile GPU and use a standard DVI cable. I can use my PC if I remove the GPU and use a VGA cable to connect to the VGA port on the same monitor. Looking for any help on resolving the problem and really hoping I don't need to replace my GPU. Also if I keep the DVI plugged into the monitor but unplug it from my GPU the message goes away and the screen just stays black.