most likely an Ultramon Software update related issue or an AMD Radeon HD 7800 series driver related issue
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I was just using my TV as a secondary monitor yesterday for Big Picture(I use Ultramon software btw) and now today my PC suddenly stops detecting my secondary monitor. I took a screenshot of what it says
Here's a pic
At first it just shows my main PC monitor and not both, when I press deteect, this happens.
I'm using HDMI connection, I replugged the cable twice. Also it is a 40ft cable. This setup has been working for months and suddenly stopped working today.
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