Win7 glass-like Aero feature - unable to enable

Posted by user24752 on Super User See other posts from Super User or by user24752
Published on 2010-03-14T18:10:07Z Indexed on 2010/03/14 18:25 UTC
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I have a 4 months old PC with Win7 Home Premium x64.

  • Windows Experience Index is 5.4.
  • Intel i5 processor
  • 6GB memory
  • nVidia GT220 video card.

During games, Windows reported shortage of system resources, so switched the desktop back to "Windows 7 Basic" desktop theme. After game-over, I could switch back to the normal theme and enjoy all Aero eye-candies. However, lately the glass-like window transparency feature got disabled, and I found no ways to enable it again.

There is a Troubleshouting option in Control Panel saying: "Find and fix problems with transparency and other visual effects". If I launch that, it does not find anything.

Event viewer is full with the following warnings:

 The Desktop Window Manager is experiencing heavy resource contention. 
 Scenario   :   The Desktop Window Manager responsiveness has degraded.

Taskbar, window borders, etc, none of the other transparent features work, and I cannot turn them on. Any thoughts?

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