Problems with Display since 10.10.4 update


hi guys,

have 27 inch, late 2013 imac has yosemite 10.10.4 installed on it..........but i've ran problems since updating 10.10.4

problem have if leave program windows open or safari window open long time without closing it, image of app or web page seems 'burn' background image , shown on log on page. have re-boot machine @ least 3 or 4 times before 'burn' disappears.

problem has occurred since upgrading 10.10.4

there way uninstall 10.10.4 , try upgrade again? or can suggest fix issue?

in advance
 

anyone???
 


Forums Macs macOS OS X Yosemite (10.10)


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