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Windows 7: Dual monitor setup resolution/color issues

26 Jan 2014   #1

Win 7 Pro x64
Dual monitor setup resolution/color issues


I just got myself a second monitor and am having issues setting it up. My original monitor is an HP 2311x with a resolution of 1920x1080, and the second monitor I just got is a gateway something-or-other with a resolution of 1920x1200. My graphics card is an ATI 5770. I have the HP monitor's source as DVI off of the graphics card and the gateway as HDMI off the graphics card. When I set both monitors in extended mode to their native resolutions I get this weird color/resolution issue seen in the picture.

When I set them both to 1080p the gateway monitors color turns correct but obviously the resolution is wrong. Any help? Thanks in advance.

My System SpecsSystem Spec

28 Jan 2014   #2

Win 7 Pro 64-bit



Just saw your post and hope you resolved it already. But have you used the Calibrate Color feature?
start > control.exe > display > Calibrate Color
Note: this requires admin priv's.

Are you sure DVI and HDMI are supported simultaneously? On the GeoForce there are issues there and some HP monitors have seen mixed results with that. D-SUB and DVI or D-SUB and HDMI is common.
Clock rates have to independently correlate on each output connection. I would suggest digging into the ATI specs a little more.

Sorry if I am misreading what you mean by "obviously the resolution is wrong".
My System SpecsSystem Spec
28 Jan 2014   #3

Win 7 Pro x64/Win 8 Pro x64 dual boot

The resolution isn't "wrong", it's just not the native resolution of the Gateway monitor. It may just be that your video card can't support putting out two different high resolutions. It won't hurt the Gateway to run at 1080p and your resolutions will match.
My System SpecsSystem Spec

29 Jan 2014   #4

Win 7 Pro x64

I'm now 99% sure my 5770 just cant handle outputting two monitors at such high resolutions. When I turn the gateway monitor's resolution down to 1680x1050 everything displays fine, the resolution is just not as high as it could be. Oh well, the card is pushing three years old, definitely time to build something new.
My System SpecsSystem Spec
29 Jan 2014   #5

Win-7 Home Prem 64-bit 7601 Free SP1

Could just get a matching monitor which works out better anyway,
HDMI pushes a higher resolution than dvi or vga for that matter,
Which you might get better results switching the connections ?
My System SpecsSystem Spec

 Dual monitor setup resolution/color issues

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