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Dark areas on iMacs Display!

7708 Views 46 Replies Latest reply: Jan 8, 2008 3:09 AM by summ RSS
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Giannis Calculating status...
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Nov 15, 2006 12:11 PM
I have noticed a small grey degrade on my iMac left bottom corner about a month ago. Recently I noticed the same problem on the top left of the screen, though not at the corner but a few centimeters close to the corner.
Does anyone know what this is? Can I fix it? Do I have to sent it for fixing?
Does anyone else have the same problem?
2 GHz Intel Core Duo, Mac OS X (10.4.8), 512 MB 667 MHz DDR2 SDRAM
  • Laximus Level 1 Level 1 (0 points)
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    Nov 17, 2006 6:58 AM (in response to Giannis)
    I also noticed exactly the same grey thing exactly the same place. Well I nitoced it aprx two weeks ago but i thought it is only dirty.Today i cleaned the screen, but the grey shadow still always on the corner of the screen. At the left-bottom bigger and darker like on the left-top. I bought the iMac three month ago, and i am sure there was not any darker place in the corner.
    iMac 20" Intel Core Duo, Mac OS X (10.4.8), 1,5 GB RAM, 250 HDD
  • den.thed Level 7 Level 7 (23,390 points)
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    Nov 18, 2006 1:08 PM (in response to Giannis)
    Hello Glannis

    Maybe this is not a solution but you could try a different desktop image, see if some other colors work better in the corners of your display.
    Go to: Apple / System Preferences / Desktop & Screensaver / Desktop and try selecting a different desktop image or a photo from your iPhoto Library.

    Dennis

    17" iMac Intel Core Duo 1.5GB Ram   Mac OS X (10.4.8)   Maxtor 300GB FireWire 2G Nano
  • Thorne^ Calculating status...
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    Nov 25, 2006 11:05 AM (in response to Giannis)
    Hello

    Assume it looks similar as on this Photo:
    http://img481.imageshack.us/img481/7886/bild2bm4.png

    I have it too, it was already visible on delivery day. It's also a little bit on the upper left side of the Display, but a lot smaller and a few of them.
    No it isnt dirt, the Display is clean. NVRAM and SMC Resets, screen calibration didnt help.
    iMac Core Duo 20" | Boot-ROM-Version: IM41.0055.B08 | 2GB DDR2 OCZ Ram CL5 |, Mac OS X (10.4.8), | SMC Version:1.1f5 | Radeon X1600 PCIe 256 MB | MATSHITA UJ-846
  • Laximus Level 1 Level 1 (0 points)
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    Nov 26, 2006 5:41 AM (in response to Thorne^)
    I was with this problem at the Apple service - in Hungary - and they will change the LCD panel. If your warranty still alive, you have to try. i'm positive they have to change for you also. My iMac is only three month old. =o( But will get a new screen. =o)))

    iMac 20" Intel Core Duo   Mac OS X (10.4.8)   1,5 GB RAM, 250 HDD
  • macttt Calculating status...
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    Dec 7, 2006 8:37 AM (in response to Giannis)
    I have this problem since I bought the iMac 20" Core Due. First time I reported this incident and I got a replacement. I have the same problem after I have the replacement for about 3 months. Unfortuneately, Apple only arrange the replacement of LCD only and the LCD parts are out of stock right now with no idea when it will be available. Shame on Apple to deliever this poor "Q" iMac.
    iMac Intel 20", Mac OS X (10.4.8)
  • Hollyethompson Level 1 Level 1 (0 points)
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    Dec 7, 2006 1:20 PM (in response to Giannis)
    i have the reverse of this on my imac (photos here http://forums.macrumors.com/showthread.php?t=257963), anyone have this too?
  • Egg Level 1 Level 1 (45 points)
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    Dec 31, 2006 11:50 AM (in response to Hollyethompson)
    same problem here - and I have a friend with the same issue.
    intel imac 20", Mac OS X (10.4.8)
  • informixtc Calculating status...
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    Jan 4, 2007 4:52 AM (in response to Giannis)
    I am having the same problem. Photos can be seen at http://obi.sytes.net:85/screen_problem/index.html. Tried all the ghosting and pixel fixing applications but none of them worked.
    Am also looking for a solution if there is any that doesn't involve sending the computer back for repairs if I am at all viable for reparis after 6 months without apple care just a regular warranty?

    Powerbook g4 1.5GHz, 1.25g ram, 12". - iMac Intel Core Duo 2Ghz, 1.5g ram, 20".   Mac OS X (10.4.8)  
  • Laximus Level 1 Level 1 (0 points)
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    Jan 5, 2007 1:58 AM (in response to informixtc)
    Hi! Dont worry abuot the AppleCare. If your regular warranty still alive, they HAVE to change the LCD panel.
    I have also just the regular warranty,
    and they - the service - changed the panel. Sorry to say, but the second panel was more uglier than the the original, so they changed it again, but i'm not satisfied with this THIRD LCD panel also.
    The backlight is shining through from the black screen more than the original - if i see a movie for example - and the black is not black, but purple. So i try to ask them to change the whole machine.

    iMac 20" Intel Core Duo   Mac OS X (10.4.8)   1,5 GB RAM, 250 HDD

    iMac 20" Intel Core Duo   Mac OS X (10.4.8)   1,5 GB RAM, 250 HDD
  • TariMan Calculating status...
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    Feb 10, 2007 9:46 AM (in response to Giannis)
    same here. after 3 months it was more and more visible.
    bottom left and top left

    temp using black background not to see it
    iMac 2GHz Core Duo, Mac OS X (10.4.8)
  • Thorne^ Level 2 Level 2 (265 points)
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    Mar 7, 2007 6:14 AM (in response to Thorne^)
    Hello

    My iMac returned from repair yesterday afternoon (after 11 days), the AASP replaced the Display. Had luck, the new Display is 100% errorfree, no pixelerrors, all parts of the screen have the same good brightness, no problems with black backgrounds, black is really black, im a very happy Mac User again.
    iMac Core Duo 20" | Boot-ROM-Version: IM41.0055.B08 | 2GB DDR2 OCZ Ram CL5 |, Mac OS X (10.4.8), | SMC Version:1.1f5 | Radeon X1600 PCIe 256 MB | MATSHITA UJ-846
  • TvLizard Calculating status...
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    Mar 9, 2007 2:12 AM (in response to Thorne^)
    Hi. I have a similar problem. The bottom left corner of my screen is slightly dark. It's not too bad at the moment and I can ignore it. I'm just worried that it might get worse. Is this likely to happen? Do these dark areas spread out over time? The dark area on my mac doesn't seem to have changed in the last month. Also does anyone know what causes this?
    imac, 20inch, 2GHz Intel Core Duo, Mac OS X (10.4.7)
  • Thorne^ Level 2 Level 2 (265 points)
    Currently Being Moderated
    Mar 9, 2007 3:34 AM (in response to TvLizard)
    Hi. I have a similar problem. The bottom left corner
    of my screen is slightly dark. It's not too bad at
    the moment and I can ignore it. I'm just worried that
    it might get worse. Is this likely to happen? Do
    these dark areas spread out over time? The dark area
    on my mac doesn't seem to have changed in the last
    month. Also does anyone know what causes this?


    Hello

    Is it just generally a little darker than other parts of the screen, or does it look as shown on the photos of users in this thread?

    For example: http://img481.imageshack.us/img481/7886/bild2bm4.png

    I had it dark as visibile on the example pic, it stayed for 2-3 months, growed then within the next months and a lot of other dark areas in different sizes became visible on the Screen (they increased like guinea pigs), looked like someone with oil on his fingers touched the Display, but it wasnt possible to wipe them away.

    I had the dark areas in follow places of the screen:
    Bottom left corner
    Upper left corner till almost the middle of the screen with many little and 2 bigger dark areas)
    Upper right corner (it was there 10 x 20 cm with many little and bigger dark areas) from top till the End of the Superdrive slot.

    The nearest german AASP to my Hometown didnt say what the reason for the dark areas is, he simply replaced the Display.
    iMac Core Duo 20" | Boot-ROM-Version: IM41.0055.B08 | 2GB DDR2 OCZ Ram CL5 |, Mac OS X (10.4.8), | SMC Version:1.1f5 | Radeon X1600 PCIe 256 MB | MATSHITA UJ-846
  • iSoul Calculating status...
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    Mar 9, 2007 4:06 AM (in response to TariMan)
    I have the same problem. Dark Areas on the top right corner and some dark pixel on the bottom left corner.
    I try to open a ticket with the "request repair service online " but in the web page : Request Product Service->1. Product Info the question "What can we help you with today?" is bugged, i can select only "Repair a part or accessory".
    Web developers please fix this problem

    IMac intel Mac OS X (10.4.8)
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