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Screen flickering with crossfire.

post #1 of 21
Thread Starter 
Hi.

I got my second 7950 yesterday and right away I noticed a slight flicking when I was playing COD4 and then today I noticed it more when I was going to play DiRT 3 with a friend. Reinstalled latest drivers from AMD site, nothing. Disabled crossfire and the flickering was gone, re enable and it's back.

Currently downloading and going to install latest stable.

Anyone else have any ideas?

tldr; screen flicker with crossfire enabled, doesn't flicker when not enabled

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PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor ($229.99 @ Microcenter)
CPU Cooler: Corsair H100 92.0 CFM Liquid CPU Cooler ($95.91 @ Amazon)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($129.99 @ Microcenter)
Memory: G.Skill Ripjaws X Series 16GB (4 x 4GB) DDR3-1866 Memory ($109.99 @ Newegg)
Storage: Western Digital Caviar Black 1TB 3.5" 7200RPM Internal Hard Drive ($89.99 @ Microcenter)
Storage: Western Digital Caviar Black 1TB 3.5" 7200RPM Internal Hard Drive ($89.99 @ Microcenter)
Storage: Samsung 830 Series 128GB 2.5" Solid State Disk ($114.99 @ Newegg)
Video Card: XFX Radeon HD 7950 3GB Video Card (2-Way CrossFire) ($289.99 @ Newegg)
Video Card: XFX Radeon HD 7950 3GB Video Card (2-Way CrossFire) ($289.99 @ Newegg)
Case: Corsair 600T Silver ATX Mid Tower Case ($149.99 @ Newegg)
Power Supply: Corsair Professional 750W 80 PLUS Silver Certified ATX12V / EPS12V Power Supply ($139.99 @ Newegg)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.98 @ Outlet PC)
Operating System: Microsoft Windows 7 Professional SP1 (OEM) (64-bit) ($135.62 @ Outlet PC)
Monitor: BenQ RL2450HT 24.0" Monitor ($208.98 @ Newegg)
Keyboard: Cooler Master Storm QuickFire Rapid Wired Gaming Keyboard ($64.99 @ Amazon)
Mouse: Logitech G500 Wired Laser Mouse ($44.99 @ Amazon)
Total: $2180.37
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-02-14 22:13 EST-0500)
post #2 of 21
Try using vsync. That's what I did for the three hours I got Xfire to work before switching to the green side.
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post #3 of 21
Thread Starter 
Quote:
Originally Posted by Legonut View Post

Try using vsync. That's what I did for the three hours I got Xfire to work before switching to the green side.

Vsync has been enabled for both games, AMD drivers are beginning to royally piss me off anymore.
post #4 of 21
Try a different cable? Like hdmi or displayport?
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post #5 of 21
Thread Starter 
Quote:
Originally Posted by Legonut View Post

Try a different cable? Like hdmi or displayport?

Was using HDMI, switched to DVI. Still nothing. Also disabled ULPS.

Going to stress the one GPU tomorrow on it's own, see what happens.
post #6 of 21
Thread Starter 
Anyone else have any ideas?
post #7 of 21
I'd test your new GPU first seeing as your rig was working fine before you put it in. Also test each PCI-E slot with each card and swap the card positions over.

might not be a driver issue, might be a bad card!
 
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post #8 of 21
Thread Starter 
Quote:
Originally Posted by pharcycle View Post

I'd test your new GPU first seeing as your rig was working fine before you put it in. Also test each PCI-E slot with each card and swap the card positions over.

might not be a driver issue, might be a bad card!

Did it when I got home, no flicker, card ran find. Put them both back in with brand new Corssfire bridge, still flickering. Has to be driver issues...
post #9 of 21
Are the cards overclocked? And did you enable the second card in CCC? Besides that,there are flickering issues even with single 7950's and 7970's in COD,and Dirt 3 has multiple issues with pretty much anything installed on a PC!!!! Also,what resolution are you playing at?
   
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post #10 of 21
Thread Starter 
Quote:
Originally Posted by Grmadness View Post

Are the cards overclocked? And did you enable the second card in CCC? Besides that,there are flickering issues even with single 7950's and 7970's in COD,and Dirt 3 has multiple issues with pretty much anything installed on a PC!!!!

They are not overclocked, one is underclocked slightly to run at the same speed of the other, same card slightly different model. What do you mean by enabled in CCC? If by that you mean crossfire ebabled yes, when crossfire is enabled, it flickers. I'll try another game other than those 2.
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