Hi,
one of my collages find it funny to turn the screens.
Set it vertically or upside down.
Does any one know ho to turn it back?
Thanks
Solved: windows turn screen hotkey
Re: windows turn screen hotkey
Always a funny office prank 
Press Ctrl+Alt+Arrow Keys.
To turn it the way you want.

Press Ctrl+Alt+Arrow Keys.
To turn it the way you want.