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Intel Imac with bad logic board.

194852 Views 379 Replies Latest reply: Mar 7, 2014 11:39 PM by SleepyTuna RSS Branched to a new discussion.
  • Gandalf The Grey Level 2 Level 2 (275 points)
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    Dec 2, 2012 8:33 PM (in response to dvkchn)

    I have had a ton of Apple Products over the years, my very first iPod Mini just died after 8 years. This is the type of products I have become familiar with at Apple, ones that keep chugging along and not breaking down.  I have had far worse things happen with Windows machines, so I will give the new iMac another shot, or I might get the newer Mac Mini with the Quad Core, not sure yet.  But when your doing dedicated video and photo work it would be very nice to have 2 27" screens.   Not sure if the parts are that salvagable on a Mini verses an iMac, maybe when it comes to being without a computer or screen then yes.

  • Nackt Calculating status...
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    Dec 2, 2012 10:18 PM (in response to markrut)

    You can add my mid 2008 24" iMac to the pile of paper weights. It just crapped out with all of the signs of a logic board failure after after 4 years of service. It was great that I had no warning signs, it just fell into the restart cycle after a crucial error. I paid way too much to only get four years of service out of it. I have a 10 year old PowerBook that I am going to pull out again because it still reliably works with all of the original parts. I run several old systems from a 1985 DOS machine to a Windows 3.1 machine from 1992 and I have never had a logic board/motherboard go on me. Apple needs to own up that there is a problem. Crucial components do not die suddenly for no reason. If Apple really wanted to have good customer service, then they would admit to this issue and resolve it.

  • dianafrommarietta Calculating status...
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    Dec 5, 2012 5:54 AM (in response to Nackt)

    What I want to know is can you replace your logic board with a newer model logic board?  My mid-2010 is already obselete and a new logic board would be cheaper than a new $2000 + "27 iMac.

  • eddybaby83 Calculating status...
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    Dec 6, 2012 8:45 AM (in response to markrut)

    Had my iMac for nearly 2 years. Logic Board failure... Didn't have Apple Care. Will cost £500+VAT to get it repaired. I'm so gutted. It was working so well up till then. I'm not sure what to do now. Go back to a PC or risk it with another Mac (with Apple Care obviously).

  • deborah16 Calculating status...
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    Dec 7, 2012 12:07 AM (in response to eddybaby83)

    eddybaby83 wrote:


    Had my iMac for nearly 2 years. Logic Board failure... Didn't have Apple Care. Will cost £500+VAT to get it repaired. I'm so gutted. It was working so well up till then. I'm not sure what to do now. Go back to a PC or risk it with another Mac (with Apple Care obviously). lained


    Please check out the Sale of Goods Act in this link as you have rights and an iMac should last longer than two years. Don't worry about not having Apple Care because it makes no difference to your rights in the UK. Your complaint should be addressed to the company you purchased the iMac from whether that is Apple or another company. If you need more help phone Trading Standards for advice. I hope this will help.


  • eddybaby83 Level 1 Level 1 (0 points)
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    Dec 7, 2012 3:04 AM (in response to deborah16)

    Thank you for the link! I currently have a case open with the supplier (PC World. I know I know it was a mistake going through them. Never again!) I will see how it goes. If that proves unsuccessful, I will contact Trading Standards and maybe Watchdog too!

  • deborah16 Level 1 Level 1 (0 points)
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    Dec 7, 2012 4:07 AM (in response to eddybaby83)

    Be sure to send your letters to PC World as recorded delivery/signed for and keep copies. (I'm sure you know all this but just a reminder). Hope it gets resolved, keep me posted!

  • pianojoy Calculating status...
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    Dec 10, 2012 1:54 PM (in response to markrut)

    I have same problem with my Imac 27 intel. It broke down after two years. The imac shuts down when I was online.  I paid over $1800 in November, 2010. The people and apple store told me that it is my power supply broke down last week (Dec 3, 2012). They put the brand new power supply in it today (Dec 10, 2012). And the imac still cannot power on. Than they told me that maybe my logic board broke down. They said it will cost around $900 to fix the logic board.


    <Edited by Host>

  • greenais Calculating status...
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    Dec 10, 2012 5:15 PM (in response to pianojoy)

    @pianojoy. I got your post before it was edited, and I agree. Maybe there can be a discussion group set up outside of this forum to discuss how to proceed. It really is crazy to have this happening to so many people with no explanation! It's awful and extremely disheartening.

  • pianojoy Level 1 Level 1 (0 points)
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    Dec 10, 2012 5:35 PM (in response to markrut)

    I am an apple fan since 1980. I got my first Mac in 1988. I've been very pleased with apple computers. Later, I have another apple computer. The second computer is in working condition. But it is too old to upgrade it. I bought a iMac in 2010. An it broke down in two years and 20 days. The people at apple store still tries to find out what is wrong with my imac. At first, they thought is the power supply broke down. And then, they found out the power supply is good. So, they thought maybe the logic board is broken. If my imac can only last for two years. Why should I buy apple product. I am paying $1850 for one imac. But I can use $1850 to buy 3 pcs with some change back to my pocket. Why buy Mac. Can I have answer?

  • pianojoy Level 1 Level 1 (0 points)
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    Dec 10, 2012 5:37 PM (in response to greenais)

    Count me in if you want to do the thing that I mention. And I didn't edit my post. The apple did it. I don't know why.

  • Gandalf The Grey Level 2 Level 2 (275 points)
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    Dec 10, 2012 5:55 PM (in response to pianojoy)

    Count me in as well been using since 2004 and this is the first computer to go this fast. It is a inherent problem with the iMacs. I just hope the new current models "thin" one are much better designed than these!

  • El Deanio Level 3 Level 3 (735 points)
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    Dec 11, 2012 9:15 AM (in response to live52)

    live52 wrote:


    I have a similar problem that I'll describe hoping that it will contribute to this discussion and I'll ask a couple of questions. In December 2007 I bought an iMac 24 inch maxed out for speed and RAM and with the 750 gig hard drive. I had no problems until about three weeks ago when on startup I got grey hash marks all over the screen. When I selected the entire screen the grey hash disappeared and the computer seemed to run normally. I thought the problem was software related and began the long process of trying to find the culprit. Then two days ago I connected a video camera to the iMac to test the camera for the first time. It's a loaner from my school and is five years old. It seemed to be working fine. I then turned off the camera but left it connected to the computer by the firewire cable and put the computer to sleep. THAT was probably a mistake. When I tried to wake the computer it would not respond. There was a DVD in the machine and when I pushed the power button I could hear the DVD player makes it startup sounds and could hear the CD spin. Also I could hear the fans come on but the startup BONG never sounded. I disconnected all cables, pulled out the power cord for various lengths of time from 30 seconds to ten hours but nothing changed. I called Apple this morning and was told it sounds like a blown logic board which is what I was thinking. They will pick up the iMac day after tomorrow. When I talked to the Apple person this morning it didn't occur to me to ask about my chances of getting this repair done for free since I'm still within the one-year warranty period. I'll call when they open tomorrow morning but what are my chances of getting the repair done free? I've been using Macs since the Mac Plus came out but have never had a failure within one year so have no experience with the warranty. I did not buy Apple Care for this computer and never have but I will the next time. Thanks in advance for any comments.


    As you have had it for nearly five years, it's unlikely to be repaired for free.  But it isn't unknown for Apple to do so.  There was an issue once where a batch of eMacs were built where a capacitor was used that could fail. They were aware of the problem and if one's eMAc was one of that particular batch, it was indeed repaired by them for no charge.  So, if there is a problem known to Apple, it might be fixed at little charge.


    I would be particularly interested to know how you get on because three days ago I upgraded from Snow Leopard to Mountain Lion, since when I too have been getting horrible vertical lines onscreen.

    If I move a window around a screen, it fills with these lines.  Sometimes, so does the dektop. 



    I'm hoping it is due to a software conflect because a) I think it started when I installed Mountain Lion and b) the problem seems to go way if I run the iMac in 'Safe Mode'.  My 24" iMac is about a month older than yours, from what you say.

  • Jayesscee55 Calculating status...
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    Jan 7, 2013 11:20 AM (in response to markrut)

    Add my 2008 as a victim of logic board failure. I paid $2400 for my 24" 3.06 GHz Intel Core 2 Duo and really expected to get more than 4-years/3months. All my PC are still up and running. I have a Commodore that would probably still work if I took the time to dust it off. What's with Apple. Are they in the business of manufacturing expensive disposable computers?

    My iMac just up and quit on me during a simple web search. (I did upgrade OS system just a couple of weeks ago.)It shut down and is in a constant reset mode with the screen being grey with pretty disjointed horizontal lines. The screen changed to verical bars after doing some key pushing recommended by Apple tech I spoke with on the phone. I can't access anything!!!!  Itook my iMac to an authorized tech who told me the logic board is gone and fixing will be $1200!!!!!!

    Do I repair it, buy another or just go back to a reliable PC? For that price i can buy 2 PC. I did have Apple Care with not 1 issue in the 4 plus years until now. AMEX would have helped if it broke down prior to 4th year anniversary. So I guess I'm screwed!

    This just doesn't seem right and certainly unacceptable.

  • fishlaw Level 1 Level 1 (5 points)
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    Jan 11, 2013 11:18 AM (in response to Jayesscee55)

    I have a 2011 iMac which has always run slow and had constant applicaiton errors-they got worse as I started having frequent crashes, hard drive errors, etc.  I finally gave up and took it in after a complete erase and system reinstall failed.  Apple replaced the hard drive and i still have the same issues.  Now they think its the logic board, so two more roundtrips to the store 30 miles distant.  they now think its the logic board, and I suspoect this one was bad out of the box, with worsening symptoms.  Uncharacteristically I did buy the Applecare, so I am covered, but have never had this typwe of problem with any computer before.  (I purchased three Apple computers-at a time thinking I would convert to Apple from PC-there is no way I would veer use an apple in a bursiness networed nevironment).  Even with AppleCare its very frustrating-with my PCs they would FedEx a part, or replacement computer-now I have to bring drop it off and pick it up at a store 30 miles away.

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