HOW TO ROTATE COMPUTER SCREEN

Step 1: Turn on the computer whose screen you wish to rotate.

Step 2: Hold down the "Ctrl" and "Alt" keys at the same time.

Step 3: Push one of the arrow keys while keeping "Ctrl" and "Alt" held down. The left and right keys will rotate the screen 90 degrees, and the down key will flip the screen upside down.

Tip: Pushing Ctrl + Alt + Up will return the screen to normal.