Runakay

Few weeks ago I went to a cellphone store and this store had a computer where clients could look for information. However, the screen looked like this: So it was useless for clients, fortunately there's a way to solve this easily, just press at the same time keys 'Ctrl' + 'Alt' and the arrow indicating where the top of the screen is going to be.   Now you can rotate your screen anytime you want.