If you want to run multiple operating systems such as Linux, Android, Windows, WebOS or MacOS then using VirtualBox is the tool you need to use. There are other tools I’ve used in the past such as Virtual Machine from VMWare but VirtualBox does the job quite nicely. Especially when there are VirtualBox images already created and you can download them from here: https://www.osboxes.org/virtualbox-images/

I’ve been using VirtualBox to troubleshoot issues for Advertise Me and also for creating HOW TO videos for the YouTube channel. This eliminates the need to install multiple programs on my main computers Operating System. When I record the HOW TO videos, I needed the guest OS on VirtualBox to display the screen in Full HD (1920×1080) and at Full Screen. This is how it looked like (resolution of 1152×864) :

CHANGING THE SCREEN RESOLUTION IN VIRTUALBOX HOW TO GUIDELINE Wrong Screen Resolution

As you can see from the image, the actually screen in the VirtualBox doesn’t completely fill to the edge of the actual screen. The actual screen has a resolution of 1920×1080. So to fix this you need to check to make sure to increase the video memory. To do this follow these steps:

  • Make sure the VirtualBox instance is shut down. Then click on Settings
CHANGING THE SCREEN RESOLUTION IN VIRTUALBOX HOW TO GUIDELINE 6
  • Click on Display and then Screen. Move the Video memory slider to the right to increase the video memory to 32 MB. Press OK to save.
CHANGING THE SCREEN RESOLUTION IN VIRTUALBOX HOW TO GUIDELINE 7
  • Start the VirtualBox instance and then wait until the operating is completely loaded. Then click on View – Virtual Screen 1 and select Resize to 1920×1080
CHANGING THE SCREEN RESOLUTION IN VIRTUALBOX HOW TO GUIDELINE 2
  • Select View Full-screen Mode to make the whole VirtualBox instance full screen
CHANGING THE SCREEN RESOLUTION IN VIRTUALBOX HOW TO GUIDELINE Full Screen
  • This is how it looks like when it’s full screen
CHANGING THE SCREEN RESOLUTION IN VIRTUALBOX HOW TO GUIDELINE Full Screen Mode
  • To exit from full screen you need to press the Ctrl (right hand side of the keyboard) and F button.
CHANGING THE SCREEN RESOLUTION IN VIRTUALBOX HOW TO GUIDELINE Exit Full Screen

Here’s a video on HOW TO CHANGE WINDOWS 10 SCREEN RESOLUTION IN VIRTUALBOX

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