The installation program "VirtualBox Guest Additions" is displayed.Ĭheck the "Direct3D Support (Experimental)" box.Īs indicated by the installation wizard, this system supports the Windows Aero interface (WDDM).Īnswer "No" to this question : Would you like to install basic Direct3D support instead?Īs stated by VirtualBox, the use of the 3D acceleration requires at least 128 MB. Then, go to the Devices menu and click on : Insert Guest Additions CD image. Move the slider to allocate at least 128 MB of video memory to your Windows 7 virtual machine. Then, you will see (thanks to the colors) that the video memory will have to be at least 128 MB. Then, in the Display section, check the "Enable 3D Acceleration" and "Enable 2D Video Acceleration". To do this, select your Windows 7 virtual machine and click on Configuration. However, you must first enable the 2D and 3D accelerations in your VM configuration. To overcome this problem, you need to install the VirtualBox's experimental 3D support. If the driver is not installed, Windows will tell you about a WDDM compatible driver. Indeed, if you try to activate the Aero feature by right-clicking "Customize" on the desktop, you will see a warning appear.Ĭlick on the warning : Troubleshoot problems with transparency and other Aero effects. This prevents you from enjoying the transparency of Windows 7 windows. By default, when you install Windows 7 in a VirtualBox virtual machine, Aero will not work.
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