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Q: Greyish Smudge marks behind the glass screen.

I have a 21.5 iMac bought in November 2009.

There appears to be numerous greyish smudge marks behind the glass screen on the top left hand corner.

It was not apparent to me at first, but after I started using OMMWriter it became easily visible. I also tried placing a neutral white background like TextEdit and it was easily visible even then.

I have cleaned the screen on numerous occasions and it has not had any effect.

What should I do?

These spots are quite disturbing.

iMac 21.5, November 2009, Mac OS X (10.6.2)

Posted on Jan 15, 2010 10:55 AM

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Q: Greyish Smudge marks behind the glass screen.

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  • by ilya254,

    ilya254 ilya254 Aug 23, 2011 2:07 AM in response to ilya254
    Level 1 (0 points)
    Aug 23, 2011 2:07 AM in response to ilya254

    Got my iMac back with a new screen. It gets the same tiny border as shown in bee_berry pic above. Was not charged for replacement. Fingers crossed it will work well this time. Good luck guys and shame on Apple for quietly selling this headache to its customers.

  • by Dan Thurgood,

    Dan Thurgood Dan Thurgood Aug 23, 2011 2:16 AM in response to swapnonil
    Level 1 (5 points)
    Aug 23, 2011 2:16 AM in response to swapnonil

    I've now checked my screen (had it replaced for free OUTSIDE OF WARRANTY!!) and it also has the small gap between the pixels and the front black bevel frame. It's almost invisible to the naked eye due to the intense contrast between the bright screen and the black bevel.

     

    I think anyone on this forum who has this burnt smudge problem should print out all these posts, march down to their Apple Store and simply DEMAND that their screen is replaced, free of charge. In the UK at least, in my experience, Trading Standards Officers are VERY interested in consumer abuse of this type. And in my view, this is exactly what it is - abuse of your loyal customers, Apple. You should be ashamed of your conduct over this issue. There should be a product recall.

  • by judithblades,

    judithblades judithblades Aug 23, 2011 3:50 AM in response to swapnonil
    Level 1 (0 points)
    Aug 23, 2011 3:50 AM in response to swapnonil

    In India

    Took my machine in about the marks finally, out of warranty and said replacement is 26,000 rupees..new machine is 63,000...a third of the cost!! @#$**!!!

     

    they tried to tell me it was an environmental problem but I cited this thread and told them that was not right (they don't understand the word "CRAP" so abuse would be wasted)

     

    we think we'll wait till we go back to AUS in September to get a new screen under the 90 day warranty at least...

     

    I agree tho' ...I wonder if it's worth my calling the COnsumer protection people here ..won't be covered in Aus I reckon cos we bought it here.

  • by Grace Munroe,

    Grace Munroe Grace Munroe Aug 24, 2011 9:21 PM in response to judithblades
    Level 1 (0 points)
    Aug 24, 2011 9:21 PM in response to judithblades

    I was going to ring The Department Of Fair Trading again, my screen has been changed once more, ongoing replacements and screen changes here, but no more marks YET, still not confident, it's a designer fault and it's unfair. I don't smoke near the computer or in the same room for that matter, nor do I have coffee or food near it, but my LCD TELEVISION is fine and it's a Toshiba.

  • by dazcoates,

    dazcoates dazcoates Aug 25, 2011 2:53 PM in response to swapnonil
    Level 1 (0 points)
    Aug 25, 2011 2:53 PM in response to swapnonil

    Its really bad on mine. late 2009 21.5" imac bought december 2009. spread over most of the screen with 4 sets of circles showin through burn. Got no apple care and live 160 miles from the nearest apple store 8(

     

     

    photo.JPG

     

    photo copy.JPG

    photo copy 2.JPG

  • by antheachng,

    antheachng antheachng Aug 25, 2011 10:32 PM in response to swapnonil
    Level 1 (0 points)
    Aug 25, 2011 10:32 PM in response to swapnonil

    same problem here in Singapore and since it's out of warranty ( didn't purchase apple care) they are charging S$1400 to replace the screen.

     

    So maybe getting my hubby to try what Controllo (Oggy) did.

    http://forums.macrumors.com/showthread.php?p=11976152&posted=1#post11976152

     

    According to him its dust stuck within the led panel and it needs some work to get inside the LED SCREEN. There is torx screws to be removed so make sure u have the right equipment.

  • by ioannisfromaddison,

    ioannisfromaddison ioannisfromaddison Aug 26, 2011 2:49 AM in response to antheachng
    Level 1 (6 points)
    iPhone
    Aug 26, 2011 2:49 AM in response to antheachng

    im in the same situation asyou...no warranytu and saw the post by this guy opening the lcd panel...and was thinking to do that as well..

    the thing is im scared cos this is my only machine that i use

    so if anything goes wrong...i wil be with out a computer

  • by Grace Munroe,

    Grace Munroe Grace Munroe Aug 26, 2011 3:02 AM in response to ioannisfromaddison
    Level 1 (0 points)
    Aug 26, 2011 3:02 AM in response to ioannisfromaddison

    That does not look good. my next mac will be a mini mac with a Dell screen or something better than what I'm using now. I'll have to buy seperate attachments. DVD drive. keyboard. mouse etc but that's what I'm going to upgrade to in the future. as long as the mini mac doesn't have any hard ware issues and I won't update for two or three years.

  • by joelfromalexandria,

    joelfromalexandria joelfromalexandria Sep 9, 2011 9:19 AM in response to Grace Munroe
    Level 1 (0 points)
    Sep 9, 2011 9:19 AM in response to Grace Munroe

    I'm having this same issue:

     

    http://cl.ly/A0GK

    http://cl.ly/9z9b

     

    I have a late 2009 27" iMac. My warranty ran out in December of 2010. I don't buy Apple Care for iMacs/Mac Minis or Mac Pros because I take very good care of my equipment. Over the past 30-60 days the lines as you can see above have started showing up on my screen.

     

    Unsure of what I want to do, as I was hoping this machine would last me at least another 18 months before I upgraded. Tempted to take it to Apple to see if they would replace it despite my being out of warranty. How many other out of warranty folks have had luck w/ that?

  • by nozzer1969,

    nozzer1969 nozzer1969 Sep 9, 2011 9:31 AM in response to joelfromalexandria
    Level 1 (0 points)
    Sep 9, 2011 9:31 AM in response to joelfromalexandria

    See my post of Jul 10, 2011 5:45 AM earlier in this thread.

     

    Best of luck.

  • by Dan Thurgood,

    Dan Thurgood Dan Thurgood Sep 12, 2011 1:52 AM in response to joelfromalexandria
    Level 1 (5 points)
    Sep 12, 2011 1:52 AM in response to joelfromalexandria

    I also got my Apple Store in Liverpool to replace the screen but mine was only 2 weeks out of warranty when I noticed the problem. I reckon the best bet is to go to the apple store and try your luck. If you don't get anywhere, get your local trading standards involved. In the UK at least, items are meant to keep working (I think this is actually law here) for a 'reasonable amount of time'. Clearly 18 months is not reasonable. This issue is not going away Apple, and you NEED to start recalling these machines.

  • by Grace Munroe,

    Grace Munroe Grace Munroe Sep 13, 2011 9:57 PM in response to dazcoates
    Level 1 (0 points)
    Sep 13, 2011 9:57 PM in response to dazcoates

    IMG_0001.JPG

  • by Grace Munroe,

    Grace Munroe Grace Munroe Sep 13, 2011 9:58 PM in response to dazcoates
    Level 1 (0 points)
    Sep 13, 2011 9:58 PM in response to dazcoates

    And I thought mine was bad. had the screen replaced AGAIN and no problems so far.

  • by canudropit2,

    canudropit2 canudropit2 Sep 23, 2011 8:58 AM in response to swapnonil
    Level 1 (0 points)
    Sep 23, 2011 8:58 AM in response to swapnonil

    Hello Everyone.  My friend also the gray streaks on an iMac 24.   We popped off his glass and notice the were lots of streak on the backside of the glass as well.  Maybe from smoking....IDK.  but I can tell you that I cleaned the glass using MONSTER SCREENCLEAN Home & Office Display Cleaner and I used the little black cloth that came with his iMac.  I must say that is the absolute best screen cleaning solution combination that I have personally used to date. 

     

    Now the gray streaks on the display itself are still there and he will probably have to have that replaced but as far as the glass cover is concerned it looks brand new now.

     

    I know this doesnt solve all the problems, but if you just need to clean the glass please give this a try.  You can find Monter Screenclean at Best Buy...probably by the TV section.

     

    P.S.  He was so happy at how bright and vibrant the screen looks again (don't forget this mac is about 3yrs old) that they gray streaks behind on the display itself dont even bother him anymore.  Although i would personally probably want to have that replaced if warranty covers it but to each their own.

     

     

    If you don't know how to take the glass off there is a good vid on youtube about it.  I can tell you that two small suction cups on the top about 2" in from the left and the right are good places becuase thats where the guide pins are on the top of the screen.

     

     

    GOOD LUCK!

  • by Dan Thurgood,

    Dan Thurgood Dan Thurgood Sep 23, 2011 10:02 AM in response to canudropit2
    Level 1 (5 points)
    Sep 23, 2011 10:02 AM in response to canudropit2

    Just in case we all missed it, the product being advertised here is called MONSTER SCREEN CLEAN. Not to be confused with any other products of a similar name, or indeed, with a useful and helpful post.

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