Posts Tagged ‘virtualbox not booting black screen’
VirtualBox: Guest OSes not booting (black screen) after updating the host machine
On 90% of the cases, this is due to a bad (either corrupt or mismatched) expansion pack (both on Linux and Windows).
Follow the steps below to reload the expansion pack:
Start VirtualBox and click on File and then on Preferences, as shown on the image below:
Navigate to “Extensions” and select/highlight “Oracle VM VirtualBox Extension Pack X” where X represents the version of the pack (irrelevant for now).
Then click on the REMOVE button and confirm your action when asked to:
If you’re using Linux, it’s certain that you’ll need to authenticate as root in order to proceed (absolutely no harm in this):
Once you’ve successfully removed the Extension Pack, simply reinstall it again by downloading the latest version of it through the official website.
Extension packs are usually delivered on the “vbox-extpack” format, which allows you to install them by simply executing them on a system where VirtualBox is installed (that would obviously be the HOST machine).
If that fails to work, you can alternatively download the extension pack (Right-Click, Save As) and installing it manually through the Preferences menu (pretty much the same procedure, but in lieu of removing it, you’ll be installing it).