today I am going to show you how to turn your screen upside down on a Mac OS X Snow Leopard. you can play pranks on your friends (or enemies) using this trick.
Step 1: Step 1.
1.Hold Command And Option at the same time, while Still Holding These Keys, Go To system preferences.
Step 2: Step 2.
Keep holding these keys and Click on display settings.
Step 3: Step 3.
Now you are here. There will be a box that says standard. Click on it. Choose which ever rotation you like.
Step 4: Step 4.
Now you may use this trick/prank on whom ever you wish. Thanks!