The Ubundu screen resolution 640*480 and not able to chnage.

I installed the virtual machine in windows 10

  • I am guessing that the Windows 10 is the host and Ubuntu is the guest.
    – Neil
    Nov 15, 2015 at 5:42

1 Answer 1


You need to install Guest additions display Driver

open up a terminal and type in

sudo apt-get install virtualbox-guest-dkms

and then reboot.

sudo reboot
  • As you're a reputation 1 user: If this answer did help you, please don't forget to click the grey ☑ at the left of this text, which means Yes, this answer is valid
    – Neil
    Nov 16, 2015 at 3:35

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