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Yellow tinge from bottom to top of the screen, 27" iMac

250438 Views 2,429 Replies Latest reply: Mar 29, 2010 4:51 PM by jeffd55 RSS
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Mathias Buergin Calculating status...
Currently Being Moderated
Nov 1, 2009 2:29 AM
My 27" is showing a yellow tinge when viewing on the bottom of the screen compared to the top?
This makes color corrections on my photos impossible. Anyone else has this problem? You can easily
see it on white or grey background (even in finder windows)
iMac 27" 3.06 GHz Intel Core 2 Duo, Mac OS X (10.6.1)
  • jajo.j Calculating status...
    Yes, my iMac 27" has the same problem. I can always see the yellow tint and it makes photo editing and calibration very hard.

    I have contacted my retailer and hope they will replace it.

    / j
    iMac 27", Mac OS X (10.6.1)
  • jteschner Calculating status...
    I'm having the same on my new 21.5". It's not really hindering me from working with the system but since I noticed it first time, it's more and more disturbing and I'm also thinking about giving it back to Apple.
    Read about in the german forums also. There are more people having this "Yellow tinge" issue.
    Think its a quality issue of the panel.
    iMac 21.5", Mac OS X (10.6.1)
  • jajo.j Level 1 Level 1 (0 points)
    Yep, the 21 inch seems to have it too.

    I visited a local Mac retailer today and their demo 27" had it. Looked exactly like my iMac, even the same shape of the yellow tinted area. Sounds very much like a panel fault to me. Hopefully not all machines have it.

    I hope the link works, it is an image with two grey bars. Download it, open in Preview and compare the upper and lower grey bar. On my screen the upper one looks fine but the lower one is very yellow/warm.

    I talked to another Mac retailer in my town and he confirmed that their demo 27" has it too.

    I will check the next batch of machines and if they also have it I must return it and go back to my previous alu 24".

    / Jacob
    Macbook Pro 17-inch, Mac OS X (10.5.1), 2.4ghz, 2GB RAM, 160GB HD, Hi-res monitor.
  • sebamattsson Level 1 Level 1 (5 points)
    Hi, and thanks for the test image.
    I also have a 27-inch, and can notice the yellow tinge..
    So if the next batch doesn't have it, is this something you could get fixed while it's under warranty?
    Don't expect a new batch to enter the stores before my 14 days right of return ends.
    iMac 27-inch, Mac OS X (10.6.1)
  • jajo.j Level 1 Level 1 (0 points)
    I have at least two more reports of 27" with the yellow tint.

    Now looking for a reliable report of a uniform screen. Anyone with a 27" that see the same color temperature for the upper and lower grey bar in the image I posted above?

    I would be extremely disappointed if all the iMacs have this fault. It would be terrible if it is because of heat or something else that is not fixed with a new panel...

    If so, I hope Apple will make a Cinema Display 27" and I will keep my 24" ATI 4850...

    / j
    Macbook Pro 17-inch, Mac OS X (10.5.1), 2.4ghz, 2GB RAM, 160GB HD, Hi-res monitor.
  • TaliesinMR Calculating status...
    Same problem with two iMac 21,5" bought at "Gravis-Store" in Germany. Apple Support registered my case and told me to contact Gravis.

    Gravis will call me back if there are new 21,5" iMacs for change in stock - the are sold out at the moment...

    Anyway, nice to see that I´m not the only one with this problem
    MacBook unibody 2,4 GHz, iMac 21,5" 3,06 GHz
  • jajo.j Level 1 Level 1 (0 points)

    I think I would be happier if I was alone Bigger chance to get a working machine then...

    / Jacob
    Macbook Pro 17-inch, Mac OS X (10.5.1), 2.4ghz, 2GB RAM, 160GB HD, Hi-res monitor.
  • Davieis Calculating status...
    Yep, I had the same issue. It doesn't seem to be on all iMacs. I returned mine to the store as a DOA and I'm currently waiting on a replacement. I just hope the replacement does not suffer from the same problem otherwise i'll be very unhappy.
    iMac 27-inch
  • jajo.j Level 1 Level 1 (0 points)
    A pic of the screen if anyone is interested.

    I have slightly adjusted saturation to better show the variations in color. It is very visible with the eye.

    Lower right has some kind of strong yellow/green tint while the upper has a slightly blue/purple tint.

    / j
    Macbook Pro 17-inch, Mac OS X (10.5.1), 2.4ghz, 2GB RAM, 160GB HD, Hi-res monitor.
  • Jdjames9009 Calculating status...
    I just been to my apple reseller and demo models they have also has the yellow tinge. I also was telling them this problem and a few others that I have. He says they would look at it but because of the limitation in LCD screen technology, there is an acceptable amount that apple has before leaving the factory.

    If I spent $1800 on this machine I would expect that it would have the best LCD screen available.
  • christianrp Calculating status...
    Nearly the same problem here, received my new 27" iMac on friday. The display shows a kind of "grey band" near the dock. I already contacted Apple and they did a few hardware tests with me, it didn´t help. Tomorrow I will contact the Apple-Store to arrange a replacement ...
    imac 27, Mac OS X (10.6.1)
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