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sudo apt-get update sudo apt-get upgrade sudo apt-get install dkms sudo apt-get install build-essential |
If the previous code does not change the resolution, use the following instead:
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sudo apt-get upgrade
sudo apt-get install virtualbox-guest-additions-iso
sudo apt-get install virtualbox-guest-utils |
While in your VirtualBox Machine, bring your mouse to the top of the screen and choose devices
Choose Insert Guest Additions CD Image
A dialog Box will appear. Click: Run, then enter your password
When prompted, click Enter/return on your keyboard
Now restart your VirtuaBox machine
Your screen resolution should now be fixed. If not rerun all the steps above one more time.
When your VirtualBox machine comes back up, right click on the disk icon sitting in your Dock, and choose eject.
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