Windows 8.1 Won't Recognize 3rd Monitor

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navyboy887

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Oct 31, 2012
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Hi guys. Quick question. I have two Radeon 7850 1GB's in CrossFire and I have the Samsung and the HP monitors hooked up to the first 7850 and the Dell monitor hooked up to the second 7850. I have 3 monitors (21.5" Samsung, 20" HP, and 17" Dell) and in Windows 7 I was able to use all three just fine with all of them connected via DVI. I upgraded to Windows 8.1 yesterday and I installed the latest Catalyst Driver (14.4) and my 3rd monitor (Dell in this case) will not get any signal. I tried switching the HP to the 2nd GPU and the Dell to the first GPU and now I have no signal in the HP. Anybody know what I'm doing wrong? I've tried detecting/identifying displays in both Windows 8.1 and the Catalyst control center and nothing has worked. I'm really liking Windows 8.1 and I don't want to have to downgrade to Windows 7 because my third monitor doesn't work so any help will be greatly appreciated. Thanks!
 
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I plugged the VGA display into my motherboard and it took a while but the Intel HD Graphics driver finally installed and the 3rd monitor is working. Thank you for your help!
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mcdonh

mcdonh

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Oct 8, 2013
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sorry? downgrade to windows 7??? windows 7 is way better, ok having got my opinion out of the way. First of all is your PC recognizing both GPU's and if your using one is the corssfire bridge securely connected? Idealy you should have all monitors connected to the first GPU if possible. Get back to me
 
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navyboy887

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Oct 31, 2012
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We all have our opinions. I like 8.1 because it's fast and looks better than 7 in the desktop. But to the point of the post, I have a DVI to VGA adapter to work with the old Dell and in Windows 7 it worked just fine being hooked up to the 2nd GPU but all of a sudden in 8.1 it doesn't work.
 
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navyboy887

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Oct 31, 2012
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I plugged the VGA display into my motherboard and it took a while but the Intel HD Graphics driver finally installed and the 3rd monitor is working. Thank you for your help!
 
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