Virtualbox Fullscreen Greyed

Every now and then I have a problem after installing a new OS in virtualbox. All goes well until I head for fullscreen (RCTL+F)

It goes fullscreen, it works but the screen is greyed over, to @ half the brightness. Others have reported a black screen.


Go in to the Settings > User Interface section of your VM from the Virtualbox main screen

Untick Mini Toolbar and Save

Fullscreen should now work 🙂

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