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DVI doesn't work on boot, but VGA does


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#1 slugger

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Posted 30 January 2010 - 08:21 AM

When I boot with the DVI plugged in, nothing shows up, but when I boot with the VGA plugged in, it boots normally. The weird thing is that if I boot with VGA and then once I'm in windows, switch to the DVI, it works fine.

Mobo: TA790GX
GPU: XFX 9800 GT
Windows 7 home premium

Thanks in advance.

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#2 Broni

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Posted 30 January 2010 - 01:01 PM

I don't have a solution to your problem, but you shouldn't be unplugging, plugging in monitor, while the computer is on.
You'll surely damage your video card.

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#3 slugger

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Posted 31 January 2010 - 09:55 AM

I don't have a solution to your problem, but you shouldn't be unplugging, plugging in monitor, while the computer is on.
You'll surely damage your video card.

What can that cause?

Anyways, I have a feeling this is a really easy fix, but it's getting frustrating.

#4 garmanma

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Posted 31 January 2010 - 12:42 PM

Are you switching from the onboard VGA to the video card DVI?
Did you install the video card driver?
Have you gone into the BIOS to see if you have to disable the onboard video?
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