Burn-in cleaner

Displays a white image on the screen to clear screen burn-in

Displays a white image on the screen to clear screen burn-in ( a ghost-like image remaining on the screen).

Also helps to check if there is burn-in on your screen by displaying any selected color on the screen.

This method is described here.

http://support.apple.com/kb/HT2807?viewlocale=en_US