When I install windows into a virtual machine it always gives me a small screen with no aero effect so I usually install virtualbox addons normally once setup is done, it installs perfectly but once I reboot it still has no aero effect, so I went to the personalization settings and I saw that there was a troubleshooting error for windows aero so Even if I select the Windows Aero theme, it still remains as Windows 7 basic. How do I fix this? Also, hardware acceleration seems to be not turned on and I can't change that in display settings. 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. There will be a header called "Aero." This is where you will a variety of Windows 7 themes based around the Aero desktop experience. If you click on the Windows 7 Aero theme, it will automatically change the settings for your system without you have to confirm the changes like older versions made you do. This is Windows 7 Aero live: 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 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 compguy96 • 1 yr. ago. With the virtual machine shut down, go to its settings and enable 3D video acceleration. Start the virtual machine and install VirtualBox Guest Additions or VMware Tools (depending on what VM software you're using) Restart the virtual machine and try to set the Aero theme again. Try these solutions to enable the Aero features in Windows 11. Windows Aero uses numerous animation and transparency effects to customize the Graphics User Interface on Windows PCs. Users can enable and disable the Windows Aero feature via the Command Prompt. mbHx4yX.