What is this on my iMac screen? (photo inside)

Discussion in 'iMac' started by tkwolf, Oct 18, 2014.

  1. tkwolf macrumors 6502

    Joined:
    Apr 11, 2012
    #1
    I have the late 2012 27 inch iMac

    i just noticed this now, check the bottom left of the pic, you'll a weird dack stain or something. I tried to press it but nothing, and I tried to wipe it but nothing. It seems to be inside the screen:

    [​IMG]
     
  2. boy-better-know macrumors 65816

    boy-better-know

    Joined:
    Jun 30, 2010
    Location:
    England
    #2
    I have exactly the same mark on my iMac 27" late 2012. It's been there for about 6 months. keep meaning to take it in and I will - luckily I have Apple care.
     
  3. Doga macrumors regular

    Doga

    Joined:
    Dec 15, 2003
    Location:
    Near Montréal, Canada
    #3
    It is probably dust accumulating inside the LCD panel.

    This past Summer I noticed the same thing all along the top menu bar on my late 2011 21.5" iMac. I removed the front glass thinking the accumulation was on the glass but no, it is under the frontmost layer of the LCD itself. Oh well, at least I gave the glass a good cleaning inside & out.

    I was tempted to have Apple repair the screen but I decided to live with it as I'll be getting myself a new (non-retina) 27" iMac over the Christmas holidays.
     

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