If your video card is having a hard time with the Aero interface and you’d like to continue to enjoy Aero’s features (such as Flip 3D and the taskbar thumbnails) follow these instructions to speed up Aero…
Disable Transparency
1. Right-click your desktop and click Personalize.
2. Go to the bottom of the window and click Window Color.
3. Uncheck the Enable transparency checkbox.
4. Click Save changes.
5. Close the Personalization window.
Disable the Animation for minimizing and maximizing windows
1. Right-click Computer and select Properties.
2. Select Advanced system settings from the left pane.
3. Under Performance, click the Settings button.
4. Under the Visual Effects tab, uncheck the Animate windows when minimizing and maximizing checkbox.
5. Click OK.