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Windows 7: HIS 4870 1GB - Dual Monitor Setup?

27 Oct 2009   #1

Windows 7 Ultimate x64
 
 
HIS 4870 1GB - Dual Monitor Setup?

I'm setting up Dual Monitors on my HIS Radeon 4870 1GB GPU. This GPU has 1 x VGA and 1 x DVI output. I have two identical ASUS VW222u monitors. I have installed the latest ATI Catalyst Suite and drivers for this GPU and have Windows 7 up and running with BOTH monitors.

My issue, however, is my primary monitor (DVI output) is running at my ideal resolution of 1680 x 1050, but my second monitor (VGA output) can not run at this resolution. It is only allowing me to choose from a small specific number of resolutions, and 1680 x 1050 is not included (closest is 1600 x 1200, IIRC).

The ATI Catalyst Control Centre is telling me the primary monitor is my ASUS VW222u (Digital), which is correct, but my 2nd monitor is only described as a "Generic Non-PnP CRT Monitor", despite installing the correct monitor drivers etc.

Is this because I am running this second monitor of the VGA output? Will that cause my monitor to not be able to produce my desired 1680 x 1050 resolution? And will running it off the VGA output mean It thinks its a CRT?



EDIT: Had no problems with this on XP, only since upgrading to Windows 7

My System SpecsSystem Spec
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27 Oct 2009   #2

7600.20510 x86
 
 

Your assumption about the VGA to DVI is probably correct. You could check that your second monitor is set to run at 60 Hz for refresh rate. If not, set it so.
My System SpecsSystem Spec
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 HIS 4870 1GB - Dual Monitor Setup?




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