I am using Virtual Box 5.0.0(Windows Vista) to run Ubuntu 14.04. The screen is too small (640x480) but the screen can up to 1280x768. How can I resizing it?
I wrote some step by step instructions with images that can be found here - superuser.com/a/1557176/706430– Tiago Martins PeresJun 2, 2020 at 9:20
You need to install the VirtualBox Guest Additions into Ubuntu. This gives a few benefits, including resizing the Ubuntu screen to match the host window.
Start the VM, then select from the VirtualBox menus:
Devices ⇒ CD/DVD Devices ⇒ VBoxGuestAdditions.iso
Then follow the instructions.
2Note that you may also need to increase video RAM for the VM to get desired results Aug 14, 2015 at 1:50
Seems obvious, but also keep in mind to change the resolution in the guest OS.– AritzApr 10, 2018 at 10:02
1Under Virtualbox 6.0.4 on MacOS, the menu would be: Devices -> Insert Guest Additions CD image– BonFeb 3, 2019 at 12:30
In version 6.0 of Virtual Box the menu is Devices -> Insert Guest Additions CD image... then you will have to authenticate for the installtion to happen.– thanos.aOct 29, 2019 at 17:49
Try this: Setting-->Display-->Scale Factor, change it
I encountered the same problem on my PC recently. This is my solution;
Go to the Ubuntu machine:
Settings ⇒ Display ⇒ Graphics controller ⇒ Choose (VBoxSVGA or VBoxSVGA)
My original settings which caused the problem was
This solution worked on my PC. I cannot guarantee that it will work on yours.