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Secondary Monitor suddenly stopped working.

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Archlion

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.

11 years ago*

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4 Comments
Caspernomnom

cable might have went out

11 years ago
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KuroiSama

I suggest to check cable itself

11 years ago
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service4nopurpose

most likely an Ultramon Software update related issue or an AMD Radeon HD 7800 series driver related issue

11 years ago
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Toca1FTW

40ft seems quite long for a HDMI cable, maybe it has degraded enough to be an issue, was it expensive?

Try with another cable if you can move temporarily.

11 years ago
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Closed 11 years ago by Archlion.