Q: One day, suddenly, i switched on my computer and i saw the screen was upside down! it sounds a bit funny, but it's kinda serious. i hardly could write the question. what to do?
A: when the coputer is ON, try the following key combinations, now i dont rememebr whihc one is exactly: alt and Ctrl and Right UP arrow Try with left side alt ctrl, as well as right side. One of this should work