XFX R7850 PCI resolution issue

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wmpwi

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Aug 28, 2014
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I have the XFX R7850 PCI 2GB DDR5 card in my win 8.1 64bit system and just added the Qnix QC2710LED monitor. Both are supposed to support 2560 x 1440 screen resolution, however Windows and the AMD Control Center software seem to max out at 1920 x 1080. I have the latest drivers from AMD so I'm not sure how to get where I need to be. Thanks for any suggestions.
 
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pierrerock

pierrerock

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Jul 4, 2014
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The maximum pixel clock rate for HDMI 1.0 was 165 MHz, which was sufficient to support 1080p and WUXGA (1920×1200) at 60 Hz. HDMI 1.3 increased that to 340 MHz, which allows for higher resolution (such as WQXGA, 2560×1600) across a single digital link
Click to expand...


Short story, if your cable is HDMI 1.0, this is the reason. try plugging in with a DVI cable
 
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wmpwi

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Aug 28, 2014
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[strike]Did not know of HDMI option. I will try a DVI cable and advise. Thanks.[/strike]

I don't know what I was thinking of, but I'm using DVI cable. Just had a brain fart I guess. Sorry.
 
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wmpwi

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Aug 28, 2014
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OK, problem solved. Not a software problem, not a hardware problem, rather a meatware problem. I had the DVI cable plugged into the DVI/VGA port (the wrong one anyway) Also, I may have been using a bad DVI cable. Thanks for getting me on the right track.
 
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