VBoxManage setextradata global GUI/MaxGuestResolution anywill remove all limits on guest resolutions.VBoxManage setextradata global GUI/MaxGuestResolution >width,height<manually specifies a maximum resolution.VBoxManage setextradata global GUI/MaxGuestResolution autorestores the default settings. Note that these settings apply globally to all guest systems, not just to a single machine.
Wednesday, November 20, 2013
Fixing Screen Resolution in VirtualBox
Sometimes a virtual pc in VirtualBox will refuse to take up the whole screen. Even in Full-Screen mode, it will insist on showing things in a 1024x768 resolution. To fix this, you need to open a command prompt and run one of the following from c:\Program Files\Oracle\VirtualBox . This was taken from section 9.8.2 of the VirtualBox manual
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Those apply globally because you specified "global". You can also specify a specific machine.
ReplyDeleteI have recently had some success also by using the above and then changing the driver on the display adapter. By default you get the VirtualBox Display adapter. I changed it to Microsoft Basic Display Adapter and many of my problems went away after rebooting.