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I have a strange issue that happens with both the Chrome and Safari browsers. It only happens when the browser is maximized on my 2nd monitor.

A rather large (toolbar sized) rectangle obscures the top-left of my window. It occupies about half the screens width and is a few textlines high. It is filled with junk or old screen contents. It does not scroll.

Hard to describe but here is a screenshot (I've added the red box).

enter image description here

So, is this a known problem? Anything I can do about it?

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Well, at least I guess it's safe to say that it's Webkit related. –  Oliver Salzburg Mar 17 '12 at 17:41
    
@OliverSalzburg - yes, that kind of reassured me. Makes malware less likely. –  Henk Mar 17 '12 at 17:47
    
Operating system? –  iglvzx Mar 18 '12 at 18:22
    
It's running on Win7 HP, SP1. Second monitor on HDMI, both are 1920x1080 –  Henk Mar 18 '12 at 18:26
    
Do you have DWM disabled? –  Tom Wijsman Mar 19 '12 at 14:56

1 Answer 1

You have to update video drivers since modern drivers do not allow to reduce hardware acceleration level on Win7 to eliminatie "artifacts"

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But what makes you think that this is an acceleration artifact? –  Henk Mar 18 '12 at 18:47
    
Because millions of others do not have it? –  ZaB Mar 19 '12 at 0:12

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