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I've installed win7 on virtualbox on ubuntu 12.04. However, the full screen mode isn't perfect. I have black parts on both sides of the screen. I tried changing the resolution but nothing fits. Anyway to fix this?

By the way, my ubuntu is 64-bit (intel 4000 graphic card), and the my win7 is 32-bit. I'm not sure if this is the cause of the issue.

  • 3
    Have you installed the virtualbox extensions and guest additions? – amc Sep 6 '12 at 16:59
  • no I just installed it from the software center. So could you kindly tell me how do I get these extensions and additions? – stupidity Sep 6 '12 at 17:05
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You need to install the VirtualBox guest additions. Start Windows in your Virtualbox, and from the Virtualbox menu select "Devices -> Install guest additions"

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Guest additions allow you a more seamless integration with the Linux desktop. Not only will you be able to have a better resolution and automatically adjust the resolution to the X window size, but in addition your mouse pointer will no longer be trapped by the Windows host, you will be able to share folders and more. See here.

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  • I install that but nothing happened :( – Yuseferi May 14 '15 at 10:48
  • SO unfair. Doing it in ubuntu is soo freakin hard. – Confuse Jul 19 '15 at 8:11
5

Open main window of VM - Virtualbox.
Example 1

Click File (upper left) or Ctrl+G - Preferences Display
Set Hint --> Screen Size the same as main system.

Example 2

Done.
Back to main window, left side choose virtual system you want to start.

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  • 1
    It does not work for me. – Phuc Nguyen Jul 28 '15 at 3:58
  • Changing the "Maximum Guest Screen Size" option to "None" worked for me - if that doesn't work, try enabling 3D acceleration as well. – nathanhleung Aug 5 '16 at 1:34
  • works on mac. my resolution system preferences -> display -> scaled which was 1280x800. Changed virtual box display settings to "hint" changed the input to 1280x800. Started the virtual box and clicked full screen. I also had to click the display button in the virtual box and enable "Auto-resize Guest Display". – Michael Dimmitt Mar 24 '18 at 17:05

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