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I upgraded my computer to Windows 7 today, and now I can't figure out how to detect my external monitors. I go into the displays and press "detect" but nothing is happening. The monitor just says "no signal." Is there something special I need to do? It used to always work on what I had before (Windows Vista).

Also, no drivers are needed for this monitor. When I first bought this monitor, I didn't have to install anything. I just plugged it in to my Windows Vista and it detected it fine.

In fact, I tried two seperate monitors which I have used with my machine prior to upgrading to windows 7 (neither of them requiring drivers). Still nothing.

I've tried the win+p trick, but nothing popped up when doing that.

I also restarted my computer with both monitors plugged in. Still didn't work.

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did you try the "win key + P" shortcut? – Petr Marek Sep 4 '11 at 20:25
yes, I tried that. no pop up boxes showed up – CodeGuy Sep 4 '11 at 20:28
Did you check the cables? I've seen the most obvious sometimes be the right answer :p – Kheldar Sep 4 '11 at 20:29
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Yes, I understand that, but the graphics card might require a special driver for Seven. My WiFi card did :/ – Kheldar Sep 4 '11 at 20:33
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@Kheldar - please update this question with your resolution, so that we can close it. – Randolph West Sep 4 '11 at 23:13
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1 Answer

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I ended up having to update the driver. Search online to figure out how to have Windows update your drivers, and then go from there.

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