Insert the commands in the file after these linesĪfter following these steps, switch your VirtualBox ubuntu VM into full screen mode either via the Machine > Switch to Fullscreen menu item or Host Key + F. To make the changes permanent, you need to edit the default file to insert the commands that we just executed. 1.At top of Virtualbox: Go to File -> Preference -> Display and set the Maximum Guest Screen Size to Hint Width:1920 Height:1200. $ xrandr -newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync Here i list all the possible steps you can follow that will help to resolve those resolution scaled problem (like zoom out display) and to switch full screen mode,scaled mode and adjusting window size. The Modeline output from the cvt command should be passed as a parameter to the xandr command as shown here: Here's a summary of the steps creating a new resolution of 1366x768: You'll replace all references to VGA1 in the commands to VBOX0. Execute the xrandr command to get the name of your display which is used as a parameter in several of the commands. I found a very good description of the steps on the ubuntu geek site. My first step was to setup the modes for the System > Preferences > Monitors tool. What follows are the instructions using xrandr but the steps above worked for me under Ubuntu 10.10. $VBoxManage controlvm winbox setvideomodehint 1920 1200 24 If you still can't get the resolution you want, try the following: Do this in the VB Manager under Settings > Display. If you're running in a very high resolution, like 1920x1200, you must also configure the VirtualBox Guest to give it 128Mb of display memory. $ sudo apt-get install build-essential linux-headers-$(uname -r) I'm trying out ubuntu on my Windows 7 laptop under VirtualBox and I'd like to switch to full screen mode on my Toshiba laptop which is 1366x768 and on my desktop system which is 1920x1200.īefore you start this process, you must have the VirtualBox Guest Additions installed.
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