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GPU scaling NOT working at all when using eyefinity
http://www.wsgf.org/phpBB3/viewtopic.php?f=66&t=22065
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Author:  sparrow_69 [ 25 May 2011, 04:20 ]
Post subject:  GPU scaling NOT working at all when using eyefinity

I'm running a Dell 2405fpw (1920x1200) as center screen via dvi and 2x dell u2311 (1920x1080) as side screens (dvi & dp) in an eyefinity array. I'm using an XFX 5870 to run these screens on W7 pro 64bit with cat. 11.5a. The screens all work great through extended desktop for 2d stuff (2405 @ 1920x1200 & 2311 @ 1920x1080) The problem occurs when I enable eyefinity... The res is 5760x1080 but the 2405fpw's 1080p image is stretched vertically. The 2405's settings via on-screen menu are set to 1:1 scaling and ccc's gpu scaling is set to maintain aspect ratio. The problem is the aspect ratio is never maintained and always stretched vertically. Gpu scaling works fine up until the last step of the eyefinity setup, then reverts to "scale image to full panel size". Changing the setting causes the image to twitch for a second, then just reverts back to being stretched. Even when using eyefinity, my 2405 is reporting receiving a 1920x1200 res (via the on-screen menu) and therefore the internal scaler option is greyed out. I've tried the trick of lowering the screen's res and setting the internal scaler to 1:1, but this seems to get disabled when in eyefinity (since the screen is reporting a 1920x1200 image). I've seen multiple posts about this, but never a solution. Is there any way to get this to work? The 2405's 1080p image (black bars top/bottom) line up just about perfectly with the u2311's display area, so I'd really like to get this to work. Any help is appreciated!

Author:  Falcon1 [ 30 May 2011, 18:22 ]
Post subject:  Re: GPU scaling NOT working at all when using eyefinity

This will not work. I think it is intended to not do so. The only solution is to use the monitor's 1:1 scaling option, if present.

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