How to Change Ubuntu Screen Resolution in VirtualBox

By Ajoy Kumar 3 Min Read
How to Change Ubuntu Screen Resolution in VirtualBox

VirtualBox is powerful virtualization software that enables you to run various operating systems within your host system. If you’re using Ubuntu in a VirtualBox environment, you may encounter screen resolution issues that can impact your user experience. Installing Ubuntu in VirtualBox can sometimes lead to problems with screen resolution, preventing you from using Ubuntu in full-screen mode. This issue is often caused by an improper screen resolution setting.

To resolve this problem, you’ll need to change the screen resolution of your Ubuntu system in VirtualBox. In this article, we’ll guide you through the steps to access and modify these settings. By the end of this guide, you’ll be able to enjoy Ubuntu in VirtualBox with optimal screen resolution. So, without further ado, let’s get started.

How to Change Ubuntu Screen Resolution in VirtualBox

Changing the Ubuntu screen resolution in VirtualBox is a straightforward process; you can adjust it from the Ubuntu settings. To do this, ensure that your Ubuntu Oracle VM VirtualBox is running in full-screen mode. When you run it in full screen, you will notice that the Ubuntu interface is displayed at a 4:3 aspect ratio.

To correct this incorrect screen resolution and aspect ratio, follow the steps outlined below:

1. On the bottom, you will find the Show Application option (with nine dots), click on it.

2. Now, type Settings on the search option and open the Ubuntu Settings.

Opening Ubuntu Settings

3. It will open up the Settings window.

4. Here, click on the search icon, search for the Display option, and click on it.

5. After that, under the display option, you will find the Resolution option. Click on it and select the default display resolution from the drop-down menu.

Note: If only half of the window is visible, then drag the window to reveal the hidden part.

Selecting Ubuntu Screen Resolution from the Displays Settings

6. After that, click on the Apply button.

7. To keep the selected display resolution settings click on the Keep Changes option. This should fix the issue.


Sometimes, when you install Ubuntu on VirtualBox, the screen resolution is not correctly set, which can cause display proportions to be hidden or screen content to be not visible. By following the steps mentioned above, you can easily fix such issues.

Changing the screen resolution in Ubuntu when running it in VirtualBox is a simple but essential step to enhance your virtual machine’s usability and visual experience. By adjusting the resolution settings, you can customize your Ubuntu virtual machine to fit your preferences and work seamlessly within the virtual environment.

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He is a prominent tech writer with over six years of experience and the founder of TheCoderWord. He delivers high-quality content revolving around troubleshooting and how-to guides for Windows, Linux, macOS, Chrome, and more.
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