Windows – Virtual Box – not filling entire screen

virtual machinevirtualboxvirtualizationwindowswindows 7

I am new to VirtualBox and am trying to set up an instance of Windows 7 64.

I have the virtual machine instance running with Windows 7 now installed, but it only fills up a small portion of my screen. Even when I go full screen, the window stays the same size and the rest of the screen is filled with gray space.

I have installed VirtualBox Guest Additions, which allowed me to go from a resolution of 800×600 to 1024×768, but this still isn't satisfactory as my laptop display is 1600×900.

Any help on this would be most appreciated. Thanks.

Best Answer

You must install guest additions. In the "Devices" menu in the virtual machine's menu bar, VirtualBox has a handy menu item named "Install guest additions", which mounts the Guest Additions ISO file inside your virtual machine. A Windows guest should then automatically start the Guest Additions installer, which installs the Guest Additions into your Windows guest. After that your virtual OS scren will be automatically change resolution to fill entire screen.

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