Previous 1 7 8 9 10 11 Next 270 Replies Latest reply: Jan 26, 2016 8:25 AM by Boomer49 Go to original post
  • Winchy Level 1 (0 points)

    Means you are in the sane boat every one else is.

    Good luck getting it fix.

  • Gotwqqd Level 1 (30 points)

    I recommend bringing it back to Genius Bar

    They ran diagnostics on mine all came up okay.

    He then saw problem and ran different test and GPU IS BAD

    It's known issue so ask them to look up

  • Winchy Level 1 (0 points)

    Same here. They replaced the GPU. Screen problem persisted.

    Black screen once every two weeks.

    GBar wants to start replacing every part known to man on my dime until the problem one appears.

    Some Genious hey?

  • ffloJo12 Level 1 (0 points)

    Ok so I've been reading most of the posts on this thread and I'm not really sure if my fix would be the same as yours.  Recently, my screen on my iMac 10.6.8, 19 inch screen I purchased back in 2008 (?) started blacking out momentarily ( a few seconds) it scared me.  Our daughter started looking at a Hulu movies website and I since reading your post I was curious as to whether continuous watchting (for over a month) would damage my video card on my Mac. I may have to contact Apple as well but wanted to know your thoughts on this. 

  • JRenna Level 1 (0 points)

    I have this same issue. I purchased my Imac 27" from OWC and I am currently traveling on business but I will definitely le them know this is a common issue. They are really great.

  • micfur Level 1 (0 points)

    I have the same problem. Late 2010, 27" iMac. Screen goes black. If I shine a spotlight into the screen I can just barely make out the desktop. Have to put the machine to sleep and wake. Can happen 10 times in a row. Then settle for a few days and then starts again.

     

    Apple are just ignoring this issue. What a sorry bunch.

  • twech Level 1 (0 points)

    Add me to the list.   Late 2010, 27" IMac.

    I found the power button off then on trick and have been doing that for months.    I reset the PRAM and that seemed to work for a couple weeks but the issue is seeming to become more frequent.

    I called for repair and this one is not covered under the recall.

    I also am very disapointed and can't believe Apple would do this to their loyal customers.   The quality of the products don't seem to be what they used to be.   I've been a Apple guy since the Apple IIc days and a former Apple employee.

    Sad

  • twech Level 1 (0 points)

    I have an update.   I had found another post stating the fan control program by SMC; http://www.eidac.de/ and it seems to have fixed my issue.    My system has been running with the fans on hi for over a day without even a dimming or blinking which had prior happened very often.  

    It's a free download and the fan noise is quite loud but better than the alternative in my opinion.

  • HEATONRX Level 1 (0 points)

    I have a 27" last 2009 iMac purchased in Jan. 2010. Will run for over an hour then screen goes black but keeps running. I have coonected to my screen via my Macbook Pro. Turning up the fans w/ SMC Software seems to extend the time. I am thinking of going to the G bar. Has anyone had luck with having them fix this? I don't mind a $200 bill but not much more. Maybe I need to junk my iMac. I guess I will bring it in and see what they say. I was wondering if anyone had good luck with them?

  • AlexJ2013 Level 1 (0 points)

    I have been back to a apple repair centre a couple of times. They had my mac for a total of 3 weeks. They didn't see this issue there so couldn't do anything. They charged me only a low fee luckily. Now having the imac back again the black screen occurring was sometimes unworkable. Now I have the brightness all the way down (20-30%). This seems to keep the screen from not blacking out... Running mac in windows is still problematic. So in the mean time I have bought a new pc to work reliably in the windows environment. I can live with the imac on the low brightness. I will buy a new imac in couple of years time. Although this issue will restrict the resale value of my imac...

  • micfur Level 1 (0 points)

    Its very shoddy by Apple to ignore this issue. People spend a lot of money on these high end desktop's. Its obviously a design flaw somewhere along the line. I will never buy Apple again. Not everyone will agree but in my mind they are a by word for cheap products sold at a premium rate.

  • girlsonboard Level 1 (0 points)

    Sorry if this is a double post, I'm not used to this forum:

     

    I've had the screen blank problem, took the IMac in twice, got home, still not fixed.

     

    But they used their own keyboard in the shop and couldn't reproduce the problem. I switched keyboards and so far so good.

     

    I'll keep folks updated. Don't get a new graphics card before you try a new keyboard.

  • Adamglittle Level 1 (0 points)

    Hey SkinnyStudios,

     

    I'm now having the exact same problem you did with screen blacking out. I'm also a graphic designer and its driving me nuts! I installed the Smc fan and it worked for about a week. Did you ever fix this problem?

     

    Do you think design program's could be contributing? Like Illustrator?

     

    I would really, really appreciate any tips!!!!

  • SkinnyStudios Level 1 (0 points)

    Hi Adamglittle,

     

    Sorry no - I never did fix this issue. My current theory is that it has something to do with the sleep function, I try and reset this from time to time to combat the issue.

     

    My computer has been doing this for over a year now, it is out of warranty - so I just kind of work around it...

     

    I have found reseting the PRAM helpful from time to time, and it does seem less frequent, but always comes back - would be nice if Apple would chime in with some suggestions!

     

    Good-Luck!

  • AlexJ2013 Level 1 (0 points)

    Hi,

    My imac was in repair for 3 weeks where the couldn't find the culprit. Mine still had the Same blacking out issues. Since I have set the brightness to half the blacking out has not occurred again. If I increase the brightness it starts again within hours.

    I have bought a new pc and use my imac only a tenth from what I was using it before.

     

    Best of luck with your issue.

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