would there be a problem plugging the on board graphics and GPU output to different inputs on the same monitor? I have a game I am trying to troubleshoot that runs with on-board graphics and freezes when using the out on the GPU. It appears to be game specific as everything else seems to work fine.
So I tried it out... It looks like Windows has decided to recognize this setup as multiple displays and the system BIOS is going to go along with it. I do have to power off the monitor at startup though or neither connection is recognized. It is also letting me switch between the two as long as I power the monitor off after changing inputs.