I was using a DVI cord before encountering the problem and when I encountered the problem. So, no. It's possible that the pc thinks that it sees two monitors too. I'm sory but you're either gonna...

I'd go back to Wind 7 unless like me, you didn't keep your old windows seven backup system files. I deleted them off to gain space:( I've seen somewhere that my computer thinks it has 2 monitors...

You will have to restart for certain. Boot into safemode and set your video to lowest resolution you may even have to check your refresh rate is set to 60. OR find a DP to DP (display port) cable...

Save yourself some time. Do you have a connection on your monitor and computer that will allow a Display port cable? If you do, borrow one to test then run to staple or best buy and get that cable....

Switch out your video cable to a DP to DP and that should do it. I went through a lot of suffering trying to troubleshoot this one too. The card ended up being fine. I believe windows 10 update...