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duel monitor problem

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Unread 18-07-2013, 02:37 AM   #1
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Windows Vista


duel monitor problem

Im not the brightest crayon in the box or the sharpest. But i am not completely incompetent. that's why this is so frustrating.

I am trying to hook up an hd tv as a duel mointor set up for my pc. Every time i reboot the hd tv has a red flickering screen and the main monitor boots normally. after the OS has loaded the hd tv tells me it is not recieving a signal. and the main monitor still operates as though it has an extended desktop.

So far i have:
1. swaped the HDMI to make sure its working
2. plugged the monitor directly to tv as hdmi and VGA both time it worked fine.
3. verified settings for display on both the graphics card and OS I have both extended the desktop and made sure that the resolution is optimal for the TV
4. made sure that all the latest drivers were loaded for the vid card. its an AMD radeon something or other

If it helps as another clue, the sound is not going through the TV either. even if i chose it as a speaker source. the TV is however being picked up by the OS. It's wierd because it gets some of the signal when loading but then cuts out.

Please help! You could be the bright crayon!

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Unread 29-11-2014, 05:34 PM   #2
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Intel Nvidia

Windows 7


Re: duel monitor problem

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I have the same problem, I would really like some help as well.
What I tried doing is unplugging my main monitor while my hdmi is connected and all of the sudden my monitor worked. when I plugged my main monitor again, the TV connected through hdmi stopped getting a signal.

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