How to Make Ubuntu Full Screen in Virtual Box (100% Working)

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sudo apt update
sudo apt install -y build-essential linux-headers-$(uname -r)
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How to Make Ubuntu Full Screen in Virtual Box

Have you recently installed Ubuntu on VirtualBox but find yourself struggling with a small window size that limits your productivity? Fear not! In this article, we will guide you through the steps to make Ubuntu full screen in VirtualBox, providing you with a spacious and immersive experience. By following our expert instructions, you'll be able to maximize your Ubuntu virtual machine's potential and enjoy a seamless integration between your host and guest operating systems.

Step 1: Install VirtualBox Guest Additions

To enable full-screen mode and optimize the Ubuntu virtual machine's performance, we need to install VirtualBox Guest Additions. These additions provide additional features and drivers that enhance the virtual machine's functionality. Follow these steps:

1. Start your Ubuntu virtual machine in VirtualBox.
2. In the VirtualBox menu, click on “Devices” and select “Insert Guest Additions CD image.” This action will mount the Guest Additions ISO file within the virtual machine.
3. Open a terminal in Ubuntu by pressing Ctrl+Alt+T.
4. In the terminal, enter the command sudo apt update to update the package repository information.
5. Next, run the command sudo apt install build-essential dkms linux-headers-generic to install the necessary dependencies.
6. Once the installation is complete, type cd /media/$USER/VBox_GAs_ followed by pressing Tab to autocomplete the Guest Additions folder name.
7. Finally, execute the command sudo ./VBoxLinuxAdditions.run to install VirtualBox Guest Additions.

Step 2: Reboot the Virtual Machine

After installing VirtualBox Guest Additions, it is crucial to reboot the Ubuntu virtual machine. This step ensures that the changes take effect and that the Guest Additions' features are fully functional. To reboot the virtual machine, click on the “Activities” button in the top-left corner, search for “Restart,” and select the “Restart” option.

Step 3: Enable Full-Screen Mode

Now that VirtualBox Guest Additions are installed and the virtual machine has been rebooted, we can proceed with enabling full-screen mode:

1. Start your Ubuntu virtual machine in VirtualBox.
2. Once the virtual machine is up and running, click on “View” in the VirtualBox menu.
3. From the drop-down menu, select “Switch to Fullscreen Mode” or press the Host key (by default, the right Ctrl key) + F.

Congratulations! You have successfully made Ubuntu full screen in VirtualBox. Enjoy the immersive experience and take advantage of the increased workspace to boost your productivity.

Bonus Tip: Adjusting Display Resolutions

In some cases, you may encounter display resolution issues when running Ubuntu in full-screen mode. If the resolution doesn't match your host system's resolution or the desired screen size, follow these steps to adjust the display resolution within the Ubuntu virtual machine:

1. Start your Ubuntu virtual machine in VirtualBox.
2. Once the virtual machine is up and running, click on “View” in the VirtualBox menu.
3. From the drop-down menu, select “Virtual Screen 1” and choose your preferred resolution from the available options.

If the desired resolution is not listed, you may need to manually add a custom resolution using the xrandr command in the terminal. However, this process requires advanced knowledge and is beyond the scope of this article.

Conclusion:

By following these expert steps, you can unlock the full potential of your Ubuntu virtual machine in VirtualBox. With VirtualBox Guest Additions installed, you can seamlessly switch to full-screen mode, providing a more immersive and spacious environment for your Ubuntu experience. Remember to reboot your virtual machine after installing Guest Additions to ensure all features are functional.

Make the most out of Ubuntu in VirtualBox and enhance your productivity with a larger workspace. Embrace the possibilities that a full-screen Ubuntu environment can offer, and take your virtual experience to new heights!

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