USB Passthrough Not Working in VirtualBox: How to Fix It

USB Passthrough is a useful feature in VirtualBox that allows you to connect USB devices to a virtual machine. However, sometimes you may encounter issues where USB Passthrough is not working as expected. In this article, we will explore some common reasons why USB Passthrough may not be working in VirtualBox and provide solutions to fix the issue.

1. Check VirtualBox Settings

The first step is to ensure that USB Passthrough is enabled in VirtualBox settings. Follow these steps:

1. Open VirtualBox and select the virtual machine in which USB Passthrough is not working.
2. Click on "Settings" in the toolbar.
3. In the settings window, navigate to the "USB" tab.
4. Make sure that "Enable USB Controller" is checked.
5. Choose the appropriate USB version from the dropdown menu.
6. Click on the "Add" button (represented by a USB icon with a plus sign) to add the USB device you want to connect to the virtual machine.
7. Click "OK" to save the changes.

2. Install VirtualBox Extension Pack

If you haven't already, make sure you have installed the VirtualBox Extension Pack. The Extension Pack provides additional features and USB support. Follow these steps to install it:

1. Open VirtualBox and go to the official VirtualBox website (https://www.virtualbox.org).
2. Download the appropriate Extension Pack for your version of VirtualBox.
3. Once downloaded, open VirtualBox and go to "File" > "Preferences".
4. In the preferences window, navigate to the "Extensions" tab.
5. Click on the "Add new package" button (represented by a small box with a green plus sign).
6. Select the Extension Pack file you downloaded and click "Open".
7. Read and accept the license agreement.
8. Wait for the installation to complete.

3. Check USB Device Compatibility

Not all USB devices are compatible with USB Passthrough in VirtualBox. Some devices may not work due to driver issues or other limitations. Here are a few things to consider:

• Make sure the USB device is supported by VirtualBox. Check the VirtualBox documentation or website for a list of supported devices.
• Ensure that the USB device is properly connected to your computer and recognized by the host operating system.
• Verify that the USB device is not already in use by another application or virtual machine.
• Try connecting a different USB device to see if the issue is specific to a particular device.

4. Install Guest Additions

Guest Additions is a set of drivers and system applications that enhance the performance and usability of the virtual machine. Installing Guest Additions can sometimes resolve USB Passthrough issues. Follow these steps:

1. Start the virtual machine in which USB Passthrough is not working.
2. Go to the "Devices" menu in the virtual machine's window.
3. Select "Insert Guest Additions CD image".
4. Follow the on-screen instructions to install Guest Additions.
5. Restart the virtual machine after the installation is complete.

5. Check Host USB Settings

There may be certain settings on your host operating system that are preventing USB Passthrough from working correctly. Here's what you can do:

• Make sure that USB devices are allowed to be shared with virtual machines. Check the host operating system's USB settings or preferences.
• Try connecting the USB device to a different USB port on your computer.
• Restart your computer and try again.

6. Update VirtualBox and Host Operating System

Outdated versions of VirtualBox or the host operating system may have compatibility issues with USB Passthrough. It's important to keep both VirtualBox and your host operating system up to date. Follow these steps:

1. Open VirtualBox and go to "Help" > "Check for Updates".
2. If an update is available, follow the on-screen instructions to download and install it.
3. For the host operating system, check for updates using the appropriate method (e.g., Windows Update, Software Update on macOS, etc.).
4. Install any available updates and restart your computer if necessary.

By following these steps, you should be able to fix USB Passthrough issues in VirtualBox. If the issue persists, you may want to consult the VirtualBox documentation or seek further assistance from the VirtualBox community.

References

Explore our tech support articles for more troubleshooting solutions and tips to enhance your VirtualBox experience.