Invert window screen - Cool keyboard trick

Here is cool trick to rotate your computer screen. you can rotate it by 90 or 180 or 360 angle. You can invert your window screen an d can impress your friends, This is one of the scariest tricks which turns Windows upside down. Here are steps:

Press Ctrl, Alt and then any of the four arrow keys .

Down arrow key rotate by 180 degree, invert screen.

Left arrow key rotate by 90 degree.

Right arrow key rotate by 270 degree

Up arrow key make it normal again.