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I just reinstalled windows 7 on my computer, and aero is not working anymore. I did not change any hardware or drivers, and aero worked before reinstalling windows.

I am using a nVidia GeForce GTX 560 for the primary display and Intel HD 2000 for the secondary display, and I have a Experience Index of 7.5.

I already tried net stop uxsms - net start uxsms as suggested in many of the links google provides, but it still does not work.

What else could I do to enable aero again?

Edit:

I just found this in the event viewer:

The Desktop Window Manager did not start because an analysis of the hardware and configuration indicated that it would perform poorly.

Also, starting without graphics card works. But I still want to use the card, so this is not a solution for me.

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Try to rerun the Windows performance index test, maybe it thinks the graphics card is too weak. Also, does it actually show the GTX560 in Device Manager (or maybe just a plain VGA card, due to lack of or broken drivers)

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  • the device manager shows Intel(R) HD Graphics and NVIDIA GeForce GTX 560. after rerunning the performance index, it still shows 7.5, and aero still does not work.
    – pascalhein
    Jun 1, 2013 at 16:21

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