From the Apple Support pages

Just in case anyone was having trouble with this…

http://support.apple.com/kb/HT2466

Hahaha you’d be surprised mate! those stands wiggle around which can easily confuse the simple minded…

I’ve a few fooked displays because people have tried to move them without unplugging them - sad but true.

Unbelievable! Is there one for telling Mac users how to breath? hahaha :w00t:

(runs for cover)