ASRock z87 Extreme4 video input problem... Help needed.

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saffet

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Oct 20, 2013
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I build myself a gaming pc few weeks ago, and it's running fine, i already installed a lot of games and i am satisfied, but i found out that the video ports on my mobo (the dvi ports and the hdmi ports) aren't working. The ones on my gpu are working well, i have a gtx780 with 2 dvi ports and one hdmi and another strange port that looks like an hdmi but it isn't, I thought that maybe the connections were wrong, but otherwise the mobo wouldn't work. So it wasn't that. So what can be the problem? But there is an app running in the background, that i can't open, called "ASRock HDMI Switch". I can't open it but when i press Alt+tab, i can see it's running. So please help.

Thanks in advance.
 
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saffet

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Oct 20, 2013
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I accidentally chose your solution as the "best solution" :)

What i mean is that none of the video ports on my mobo are working.
But the ones on my gpu are working.

 
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Kisai

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Jan 25, 2014
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This is how I run it on my system, there's a few gotcha's:
1. HDMI switch tends to crash if the monitor it's plugged into also has a switch or is turned off.
2. The monitor sometimes will lose it's HDCP link when switched back to the iGPU

If you only have one monitor, there is software out there that will let you use the dedicated GPU and the iGPU's in tandem but there is no practical reason to do this other than to use the Intel Quicksync feature.

If you have two monitors, you can plug in the second monitor to the iGPU (it must be enabled in the BIOS, the default is not to enable it if a dedicated GPU is available) and anything rendered on the main GPU will continue to use the GPU even if it's being displayed on the monitor plugged into the iGPU. You can also use the GPU's independently with software that allows for it.

The BIOS feature should be called "iGPU multi monitor support"
 
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