image persistence on imac 27"
image persistence on imac 27" late 2012
iMac, OS X Mountain Lion (10.8.4)
image persistence on imac 27" late 2012
iMac, OS X Mountain Lion (10.8.4)
it's called "ghosting" the following article tells how to correct this:
Apple say this about LCD screen burn in:
http://support.apple.com/kb/HT2807
which includes suggestions for curing that effect.
Alternatively:
How to fix screen burn and/or stuck pixels on an LCD monitor:
JScreenFix
image persistence on imac 27"