My imac screen gets smudged
in corners fromm inside the screen of my imac 5k i found some smudge marks.It is only 3 months old i purchased it on 8-8-15.There is no authrised service provider in our city.Is there any way to clean it at home.Is smudging normal to my imac 5k late 2014 edition.
iMac, OS X El Capitan (10.11.1), valid purchase on 8-8-15