Is There a Way to Make a Fullscreen on VirtualBox?


VirtualBox is a free, open-source virtualization software that allows users to create and run virtual machines on their computers. It was originally developed by Sun Microsystems and is now maintained by Oracle. VirtualBox supports multiple guest operating systems, including Windows, macOS, Linux, and Solaris.

VirtualBox provides a lot of useful features that are essential for running a virtual machine environment. These features include the ability to run multiple operating systems simultaneously on a single computer; support for different types of storage devices such as hard disks and USB drives; and the ability to configure network connections between the host and guest machines.

One of the most common problems encountered by VirtualBox users is the inability to make their virtual machine fullscreen. When running VirtualBox on your computer, it may not automatically fill up your entire screen space like other programs do.

This can be frustrating for those who need more screen real estate while using their virtual machines. In this article, we will explore how you can enable fullscreen mode in VirtualBox to get rid of this problem permanently.

We will also discuss some common issues that arise when attempting to enable fullscreen mode in VirtualBox and provide tips for troubleshooting these issues. Additionally, we will cover some advanced display settings available in VirtualBox that can enhance your virtual machine experience even further.

Understanding VirtualBox Display Settings

VirtualBox is a free and open-source virtualization software that allows users to run a different operating system within their host operating system. This feature is particularly useful for developers, testers, or those who need to run multiple operating systems on their computer.

In VirtualBox, the virtual machine operates in a window that emulates a physical computer screen. Understanding how VirtualBox handles display settings is crucial in addressing issues such as fullscreen mode.

Explanation of how VirtualBox handles display settings

When creating or configuring a virtual machine in VirtualBox, the display settings are one of the most crucial aspects to configure correctly. The display adapter of the virtual machine operates similarly to the physical graphics card present on most modern computers.

It is responsible for rendering images and displaying them on the user’s screen. In addition, VirtualBox provides an additional feature that allows users to adjust specific visual parameters such as resolution and color depth within the virtual machine.

Overview of the different display modes available in VirtualBox

VirtualBox provides four different display modes for users:

  • Windowed Mode: displays the guest os within its own window that can be resized and moved around like any other window.
  • Scaled Mode: automatically scales the guest os output to fit within a smaller host window while maintaining its aspect ratio.
  • Seamless Mode: hides the guest os desktop background and integrates windows from both host and guest os into one seamless interface.
  • Fullscreen Mode: displays only the guest os on full-screen mode without any borders or menu bars present.

The ability to switch between different display modes in VirtualBox is crucial to enhance the virtual machine experience and tailor it to individual preferences.

Enabling Fullscreen Mode in VirtualBox

VirtualBox is a feature-rich virtualization software that gives users the ability to run multiple operating systems on a single computer. While VirtualBox has many advantages, its default display settings can be frustrating for users who prefer fullscreen mode.

Fortunately, there are several ways to enable fullscreen mode in VirtualBox, and this section will provide an in-depth guide on how to do so.

Step-by-step guide on how to enable fullscreen mode in VirtualBox

The first step in enabling fullscreen mode is to start the virtual machine. Once the virtual machine is running, there are several methods that can be used to enter fullscreen mode.

Method 1: Using the View menu

  1. Select “View” from the top menu bar of the virtual machine window.
  2. Select “Switch to Fullscreen Mode” from the dropdown menu.

Method 2: Using a keyboard shortcut

  1. Press “Host Key + F” (the host key is typically right Ctrl by default).

Note: If neither of these methods work, it may be necessary to adjust display settings within VirtualBox or update graphics drivers on your computer.

Explanation of different methods to achieve fullscreen mode, including keyboard shortcuts and menu options

In addition to using keyboard shortcuts and menu options as described above, there are other ways users can achieve fullscreen mode within VirtualBox. One method involves using AutoResize Guest Display feature found under “View”.

This option automatically resizes guest display based on size of Virtualbox window but does not activate full-screen functionality. Another way is by selecting “Fullscreen” option under “Machine” in the menu bar, followed by “Switch to Seamless Mode”.

This gives a full-screen experience that still allows access to host computer. With these different methods at your disposal, you can easily enable fullscreen mode in VirtualBox and enjoy a seamless virtual machine experience.

Troubleshooting Common Issues with Fullscreen Mode

Common issues that may arise when attempting to enable fullscreen mode

While enabling fullscreen mode in VirtualBox is a straightforward process, there are certain issues that users commonly face. One such issue is a black screen when attempting to enter fullscreen mode. This can occur if the virtual machine’s display settings do not match the host system’s display settings.

Another issue is poor video performance or lagging while in fullscreen mode, which can be caused by insufficient hardware resources allocated to the virtual machine.

Tips and tricks for resolving these issues

Fortunately, there are several tips and tricks that users can employ to resolve these common issues.

Firstly, adjusting the display settings of both the host system and virtual machine should be attempted. The host system may need to have its display resolution adjusted so that it matches the virtual machine’s native resolution.

Additionally, increasing the video memory allocated to the virtual machine may help improve video performance in fullscreen mode. Updating graphics drivers on the host system can also help resolve some of these issues, as outdated drivers may be causing compatibility problems between VirtualBox and your hardware configuration.

Checking for software updates for VirtualBox itself is also recommended as newer versions of VirtualBox often come with bug fixes and improved compatibility with different hardware configurations. By following these tips and tricks, you should be able to avoid or overcome any issues encountered when attempting to use fullscreen mode in VirtualBox.

Advanced Display Settings in VirtualBox

VirtualBox’s advanced display settings offer users a great deal of flexibility and control over their virtual machine’s visual output. Two of the most notable features in this regard are scaling and multi-monitor support.

The Benefits of Scaling

Scaling is a feature that allows users to adjust the resolution of their virtual machine’s display to match the size of the window it is being displayed in. This can be especially useful when working with software that requires a specific screen resolution to function properly (e.g., games or older applications).

By adjusting the scale, users can ensure that these programs will display correctly without having to resize their virtual machine or change their host system’s display settings.

In addition, scaling can help improve performance by reducing the amount of processing power required to render graphics at full resolution. This can be especially beneficial for older systems or those with limited hardware resources.

Making Use of Multi-Monitor Support

Another advanced display feature offered by VirtualBox is multi-monitor support. This allows users to connect multiple monitors to their virtual machine and use them as if they were connected directly to their host system. This feature can be incredibly useful for tasks that require multiple screens, such as video editing or software development.

Users can arrange each monitor individually within VirtualBox, allowing them to configure a custom workspace tailored specifically to their needs. In addition, multi-monitor support makes it possible for users to work with legacy applications that require multiple displays without having access to additional physical hardware.

The Bottom Line

Overall, VirtualBox’s advanced display settings offer a great deal of flexibility and control over your virtual machine experience. By taking advantage of features like scaling and multi-monitor support, you can create an environment that is both comfortable and efficient to work in.


To enable fullscreen mode in VirtualBox, there are a few different methods that can be used. The easiest way is to use the keyboard shortcut Host+F, which will toggle between fullscreen and windowed mode.

Another option is to select the “View” menu and then click on “Fullscreen Mode”. It’s important to note that enabling fullscreen mode may require adjusting display settings within the virtual machine itself.

Final Thoughts on the Benefits and Drawbacks of Using Fullscreen Mode in a Virtual Machine Environment

Enabling fullscreen mode in VirtualBox can provide a more immersive experience when working with virtual machines. It allows for increased screen real estate and can be useful when working with multiple applications or windows at once. However, it’s important to consider potential drawbacks such as decreased performance when running graphics-intensive applications or when using multiple virtual machines simultaneously.

Overall, enabling fullscreen mode in VirtualBox can enhance the user experience for certain tasks but may not always be necessary or practical depending on individual needs and preferences. As with any software feature, it’s important to weigh the benefits and drawbacks before deciding whether or not to utilize it.

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