Screens wrong way round! Help?

Question

My granson was unfortunately left alone with my computer for a few minutes today(he is only two!) Now the screen is sideways!!!!!!!!!!!!!!!!!!! Dont know how he did it, but its giving me a pain in the neck! Any ideas would be gratefully received?

Answer 1

You need to simultaneously press Ctrl, Alt and the left or right arrow key.

Answer 2

Ctrl+arrow keys...or Ctrl+Alt+arrow keys

Answer 3

press control and the up arrow key. if this doesnt work do the same with all the arrow keys until you find the obe that fixes it