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Thread: 2006 iMac - salvageable?

  1. #31

    IWT's Avatar
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    Born in Scotland, Worked in Scotland then England, Now live in Wales
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    Your Mac's Specs
    Late 2015 5K 27-inch Retina iMac, 4GHz i7, 32GB RAM, 1TB Flash Drive, macOS Sierra 10.12.6
    Despite the issue occurring when booting from CD
    I know it's terribly basic, but are you sure that your CD writer/player is working properly?

    Ian
    Ian

  2. #32


    Member Since
    May 22, 2013
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    Not certain, no. So you are suggesting @iwt that perhaps both the HDD and the CD drive have intermittent problems, both resulting in the same symptom?

  3. #33

    IWT's Avatar
    Member Since
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    Born in Scotland, Worked in Scotland then England, Now live in Wales
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    Your Mac's Specs
    Late 2015 5K 27-inch Retina iMac, 4GHz i7, 32GB RAM, 1TB Flash Drive, macOS Sierra 10.12.6
    I'm hunting for a solution rather than suggesting one

    I'm assuming that the CD Drive may be as old as the Mac (or not, of course; I've not seen any mention of its vintage). And CD Drives may fail outright - or in part owing to dust, were & tear etc; so that they seem to be okay one minute and "stutter" the next, particularly when dealing with large data files and usually near the end.

    My simple thoughts from a simple mind

    Ian
    Ian

  4. #34

    ferrarr's Avatar
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    May 21, 2012
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    Your Mac's Specs
    L2014 Mac mini macOS 10.13, iPhone 8+ iOS 11, 12.9" iPad Pro 1 iOS 11,  Pencil 1
    Every cog in the machine can fail.

    If you can boot from the Ubuntu flash drive, or an external, and boot from the optical drive, then the issue is internal. It could be the connector cable, drive, connector port on the board.......
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  5. #35


    Member Since
    May 22, 2013
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    Quote Originally Posted by IWT View Post
    I'm assuming that the CD Drive may be as old as the Mac (or not, of course; I've not seen any mention of its vintage). And CD Drives may fail outright - or in part owing to dust, were & tear etc; so that they seem to be okay one minute and "stutter" the next, particularly when dealing with large data files and usually near the end.
    Yeah, it had crossed my mind, but couldn't test it as the Mac doesn't recognise my "SuperDrive".

    Sticking to what I could test, I tried again, and successfully installed OSX on an external drive (a couple of times actually), then went on to over-right it with Ubuntu (a couple of times). No issue when using either, so I'm guessing the problem was a failing hard drive (or something related), plus some other intermittent problem to throw me off the scent. I'm not sure I have any use for an iMac running Ubuntu, but it lives!

  6. #36

    pm-r's Avatar
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    I'm not sure I have any use for an iMac running Ubuntu, but it lives!

    If it can run Ubuntu, surely it can run the compatible Mac OS X assuming all the cogs are in place and working.


    PS:
    Why and how you should switch to Linux
    https://www.popsci.com/switch-to-linux-operating-system





    - Patrick
    ======
    Last edited by pm-r; 07-28-2018 at 02:19 PM.

  7. #37

    jasongoldworthy's Avatar
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    Aug 28, 2017
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    Your Mac's Specs
    iMac Late 2009 32GB Intel Core i7 27" OSX 10.13.6
    hi guys I'm going to chime in on this for one second,


    did any of you ever think its the GPU thats failing ?

    as this is also a sign of it happening.


    or has been my experience on an iMac.

    but I could also be wrong.
    Apple iMac Late 2009
    Intel Core i7
    32GB DDR3 Ram
    Mac OSX 10.13.6

  8. #38


    Member Since
    May 22, 2013
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    Quote Originally Posted by pm-r View Post
    If it can run Ubuntu, surely it can run the compatible Mac OS X assuming all the cogs are in place and working.
    I'm pretty sure that's the case, but when I started thinking about reinstalling operating systems, I started thinking it'd be nice to go with something supported. Actually having to do stuff in Snow Leopard (like open a Web page) made up my mind.

  9. #39

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
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    Modesto, Ca.
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    Your Mac's Specs
    iMac late2012 21.5 i5 10:14 iMac 2010 27"QuadI7 OS10.13, MBPLate2011, iPad Pro10.5", iPhone5s,
    Quote Originally Posted by jasongoldworthy View Post
    hi guys I'm going to chime in on this for one second,


    did any of you ever think its the GPU thats failing ?

    as this is also a sign of it happening.


    or has been my experience on an iMac.

    but I could also be wrong.
    I was going to mention the GPU as for sure all the early White plastic iMacs I have owned had GPU issues with the Radeon graphics chip. What I found was the issue with my late 2006 iMac 20" was with time the GPU would get so hot it would mess up and cause all the OP's symptoms. What I found was unlike the 24", the 20" and smaller 2006 imacs used the same heat sink as the CPU. There were heat pipes to both the CPU and GPU and when the CPU got really hot, the GPU temps went really high also and it eventually died. The 24" had a seperate Heat Sink for the CPU and one for the GPU.
    ...Dennis

  10. #40

    jasongoldworthy's Avatar
    Member Since
    Aug 28, 2017
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    Your Mac's Specs
    iMac Late 2009 32GB Intel Core i7 27" OSX 10.13.6
    well they did design them poorly which is a shame.


    but id say its more than likely a GPU issue in this case its just Linux don't kernel panic like Mac osx

    I had issues with my Mac and found it worked better with the rear removed and would run osx but when I put it back together after a few mins or seconds it would look up and kernel panic

    which I then replaced the logic board and all was fine.


    so give that a go and go from there or if thats not an option remove your data and consider it the end for this iMac.
    Apple iMac Late 2009
    Intel Core i7
    32GB DDR3 Ram
    Mac OSX 10.13.6

  11. #41

    ferrarr's Avatar
    Member Since
    May 21, 2012
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    Pawtucket, RI, USA
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    4,570
    Your Mac's Specs
    L2014 Mac mini macOS 10.13, iPhone 8+ iOS 11, 12.9" iPad Pro 1 iOS 11,  Pencil 1
    I thought OP said he installed Mac OS X on an external and it worked fine? Did he install Linux to the internal and it worked fine?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  12. #42

    jasongoldworthy's Avatar
    Member Since
    Aug 28, 2017
    Location
    Wales, UK
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    Your Mac's Specs
    iMac Late 2009 32GB Intel Core i7 27" OSX 10.13.6
    I believe he said he ran linux from a USB stick


    but I may be wrong he did say that he got it to install once and then it wouldn't go any further after which in my opinion implies a bad GPU as its then warm and won't boot no longer.


    not all GPU issues show artefacts on the screen I have a late 2009 iMac and it had a bad GPU but wouldn't boot and no artefacts occurred so I baked it in the oven and it solved all the problems.

    but I did replace it a few days later with one from another machine that had a totally damaged case.

    and now its back working like a champ.
    Apple iMac Late 2009
    Intel Core i7
    32GB DDR3 Ram
    Mac OSX 10.13.6

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