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VirtualBox is an open up-source, multi-system software produced by Oracle, mainly applied as a virtualization resource for x86 components. VirtualBox can host several operating devices at a time. Is it resource-intense? No, it has developed-in application virtualization technologies that will make it less dependent upon host components. A person of the essential features of VirtualBox is that it supports various screen resolutions. But by default, the screen resolution seems incredibly small upon installing the guest operating technique, as shown in the impression beneath.

And employing the guest OS on this kind of a little resolution is an not comfortable work. So, is it attainable to improve the display resolution and make the guest functioning process operate on entire monitor in the host device? Effectively, of class, you can make the guest OS display screen larger and even enhance the resolution.

This create-up focuses on the detailed procedure to make the VirtualBox screen modify according to the window measurement and how to make VirtualBox window full display?

How to make VirtualBox whole screen:

By default display resolution of VirtualBox is 800×600, which is also compact for a user to operate on guest OS even if you push the “Host F” key, the resolution of the operational screen will stay the exact, as it can be noticed in the next graphic:

To operate any visitor OS in entire-screen manner in VirtualBox, set up “VirtualBox Visitor Additions.” Guest additions are drivers to combine host and visitor working methods far more effectively and enhance the features. You can quickly share data files, folders, clipboards, and many others. So, let us start the installation.

Firstly, open up VirtualBox and start guest OS. Choose the VirtualBox window and open up the “Devices” alternatives from the major menu. In the fall-down menu, choose “Insert Guest Additions CD image”:

A window will appear in your guest OS:

Simply click on “Run” and enter the password for authentication:

The terminal will open up, and the VirtualBox additions will start off set up:

The moment the installation is completed, push “Enter” and “Restart” the visitor OS to permit the changes to be made. Soon after restarting, you can change the window. The visitor OS screen will adjust it accordingly:

You can also push the “Host+F [right ctrl+F / cmd+F]” important to set full-screen manner.

The VirtualBox will mechanically set the resolution and display measurement.

How to solve the “The technique is at this time not set up to build kernel module” error:

Even though setting up guest additions, you could come upon an mistake as revealed in the image underneath:

It has a incredibly uncomplicated resolve. Basically open the terminal and operate the pursuing command to update the packages list:

Now, execute:

$sudo apt put in virtualbox-visitor-utils virtualbox-visitor-dkms

When finished, stick to the method talked about over to set up the VirtualBox Additions.


VirtualBox is a extremely highly effective cross-platform utility for x86 virtualization and operates practically any working procedure, such as Windows and Linux distributions. By default, the visitor OS loaded on a very tiny display screen in VirtualBox and built it particularly inconvenient to use. In this guidebook, we learned how to make VirtualBox full display. We set up VirtualBox Additions that make the VirtualBox window responsive and immediately change the resolution on full-monitor method. Although VirtualBox is a effectively-recognised software to operate x86 system, Apple’s new change to ARM-based mostly processor and its overall performance cast a shadow of doubt about VirtualBox long run let us see how Oracle manages it.

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