To do it, type services.msc into the search box on the Start menu. Scroll down until you see Desktop Window Manager Session Manager and right-click and choose Stop…after it stops, right-click and restart it. After it restarts, transparency should be back and then close out of Services. Check for Aero Problems Anytime The steps above are meant This graphics driver does not support Win- dows Aero / Direct3D on the guest. Instead, the WDDM graphics driver needs to be installed. To select this driver by default, add the command line parameter /with_wddm when invoking the Windows Guest Additions installer. Select Find and fix problems. Under Appearance and Personalization, select Display Aero desktop effects. In the Troubleshooter dialog, click the Advanced link and place a check mark in the Apply Repairs Automatically option. Click Next to run the troubleshooter. Let us know the results. Windows 7 Aero Theme does not work. in Windows start menu search box and hit Enter to open Themes service, and ensure that it is. If not, set it so by right-clicking on it and opening the However, in some scenarios, Windows Aero may not be turned on, or is having problem to enable. The scenarios include no supported video driver been found during installation, and after updating the VGA graphic display card driver, Windows 7 does not automatically enable Aero Glass effect. You might try re-running your Windows Experience Index. There is a Appearance and Personalization Troubleshooter in the control panel troubleshooting section. Check this link to see if it might help. Windows Aero Glass visual effects are not working or displayed .

windows 7 aero not working