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  1. #1

    BrianjG's Avatar
    Member Since
    Nov 30, 2005
    Location
    Cork, Ireland
    Posts
    46
    Specs:
    21" Imac
    iMac HDD upgrade problems
    Hi all,

    I have a 20" Intel Imac and I recently upgraded the hard drive (250gb to 750gb) and ram (2 X 1GB modules). I got the parts installed by my local Apple centre and installed the OS myself (leopard)

    Since the install finished the system hangs or freezes every 30 seconds or so for about 1 minute. It does this 3 or 4 times and then stops responding until rebooted.

    I've put back in the original RAM and it made no difference. I then installed XP (i'm a windows admin and I wanted to run tests on the drive) and the system worked fine without problems. So I put back on leopard and it happened again.

    I'm installing Tiger now as it came with the system first day but I'm getting really frustrated. Has anyone got any suggestions.

  2. #2

    Alexis's Avatar
    Member Since
    Apr 20, 2006
    Posts
    2,255
    Specs:
    Al iMac 20" 2.4Ghz Intel Core 2 Duo
    Let us know if Tiger works ok.

  3. #3

    BrianjG's Avatar
    Member Since
    Nov 30, 2005
    Location
    Cork, Ireland
    Posts
    46
    Specs:
    21" Imac
    just finished the Tiger install and its got the same problem.

  4. #4

    BrianjG's Avatar
    Member Since
    Nov 30, 2005
    Location
    Cork, Ireland
    Posts
    46
    Specs:
    21" Imac
    i found this article which suggests its an issue with the drive ( I have the 750GB instead of the 1TB version).

    Accelerate Your Mac News Archive for Friday July 18, 2008

  5. #5

    BrianjG's Avatar
    Member Since
    Nov 30, 2005
    Location
    Cork, Ireland
    Posts
    46
    Specs:
    21" Imac
    I tried forcing the drive to 1.5gbps as mentioned in the article but it made no change.

  6. #6

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    48,250
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    I would take the machine back to your local Apple store and let them sort out the problem. If it's the hard drive as the article suggests, tell them to replace it with a different model.

    Freeze ups are very hard to trouble shoot as they are usually intermittent and difficult to pinpoint. In your situation, however, it almost has to be something to do with the upgrade done by the Apple store.

    Regards.

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