I just installed elementary OS 0.3.1 in a VirtualBox 4.3.12 (using MacOS X 10.9.5 as a host), installed the guest additions (I had to mount the CD manually and execute the .run script manually) but the screen resolution is still at 640x400. The vbox kernel module seems to be loaded:

 johannes@johannes-VirtualBox:~$ lsmod | grep vbox
 vboxguest             249856  5 

Am I missing something obvious? Should I maybe upgrade my VirtualBox host software?

  • 1
    I don't think it will help, but what's stopping you from using VirtualBox 5?
    – quassy
    Commented Sep 4, 2015 at 22:13

1 Answer 1


Upgrading to VirtualBox 5 and reinstalling the guest additions and rebooting elementary OS actually solved the problem.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.