Chosen Solution

After replacing the glass front on my imac and removing the heavy duty suction cups, I noticed a ring mark was left behind by each suction cup. Window cleaner did not remove the marks–is there a recommended way to safely remove these marks?

Did you try with with ether or and hydro-alcoholic solution ? only a few otherwise you could make some damage on your screen…. If this answer was helpful please remember to mark it accepted.

Here is another option, this will work when nothing else will ! http://www.ibreakityoufixit.com/shop/cle

try the Ritec Ritepolish a mildly abrasive cream cleaner used for the romoval marks left by suction lifters on glass, mineral and other deposits. http://www.wholesaleglasscompany.co.uk/a