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Windows 7: Poor Display Performance with non-Aero Apps

31 Jan 2010   #1

Windows 7 64
Poor Display Performance with non-Aero Apps


ok i finally got a new rig and so far i'm really happy with it. Problem is.. i don't like the performance with Windows 7 and my 2 displays.

If an application that does not use aero theme is visibly on the desktop, doesnt matter if there is a window in front of it, the display performance really breaks down. It stutters when i try to move my Windows. It is sometimes no problem when the non-aero app (like winamp/itunes) is on the same display as the window i'm moving around, but sometimes not. Most of the time it really performs poorly.

-If the non-aero app is minimized, the problem is gone..
-If i disable the transparent Glass effect, the problem is gone too but i should not need that with this rig :-/
-Lowering the Desktop resolution from 2x1920x1200 to 2x1280x800 does not improve anything.
-(Flash)Videos are not running fluid either, they can freeze for about half a second and the continue, or just stutter for a moment.

Another issue is, that the graphics card just wont detect the displays correctly regarding their priority. The one plugged in port 1 of the graficscard is always nr 2 in windows and vice versa.. well ok that is not that much of a problem but it's really strange.. if i swap the cables, the left monitor still is nr 2 and the right still is 1, no change whatsoever. The only thing i got once was that the left monitor (my 1st) was nr 1 after plugging it in port 2 of the graphicscard and the right then was 2nd but it's just the other way around ^^;

And something u should now is that my PSU, which i'm going to RMA now, acts like a loudspeaker for the system.. if i turn my powerprofile to "high performance" it makes a constant high pitched sound. But even on "balanced" i can HEAR the harddisc activity and things like that through the psu I also hear it during 3d Mark benchmarks for example.. i don't know if this has something to do with it.

I really am not satisfied with this :-/ Maybe you know whats wrong or have similar experiences?

My system: Asus P6T Deluxe v2, i7 920, 6GB Corsair XMS3, EVGA Geforce GTX260, Corsair 650W PSU

My System SpecsSystem Spec


 Poor Display Performance with non-Aero Apps

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