DazzaG
Level 1 (2 points)

Q: 24" iMac Screen Freezes since 10.6.3 update - pls help!

I don't know if this is just coincidence or not, but since updating my iMac to 10.6.3 it keeps on crashing. On 3 separate occasions today, whilst using my Mac the screen has gone completely black with thin white lines down it.....see pic below:

http://picasaweb.google.com/lh/photo/6SYzhCgVYEU5TBKqRfOQ1Q?feat=directlink

The fans and hard disk are still running but it will not respond to any keyboard or mouse presses - I simply have to turn it off by holding the power button in.
It will then restart as usual.

Anyone got any ideas? Do you think that if I was to re-install Mac OS X from my original install disk it could solve the issue?

Thanks

Darren

24" intel imac 2.8Ghz, Mac OS X (10.6.3)

Posted on Mar 31, 2010 2:43 PM

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DazzaG

Q: 24" iMac Screen Freezes since 10.6.3 update - pls help!

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  • by k3bs,

    k3bs k3bs Jul 21, 2011 10:29 AM in response to DazzaG
    Level 1 (0 points)
    Jul 21, 2011 10:29 AM in response to DazzaG

    AND can anyone confirm that Lion enables 64bit mode for 7,1 imacs?

     

    Thank you!

  • by bumina,

    bumina bumina Jul 21, 2011 10:33 AM in response to k3bs
    Level 1 (0 points)
    Jul 21, 2011 10:33 AM in response to k3bs

    Lion enables 64-bit mode on my imac 7,1 which is still crashing from time to time.  I will try the kext fix the next time I get a system freeze which should be sometime today.

  • by Tim Isham,

    Tim Isham Tim Isham Jul 21, 2011 10:53 AM in response to bumina
    Level 1 (15 points)
    Jul 21, 2011 10:53 AM in response to bumina

    It is interesting, though, that the problem is manifesting in a slightly different way, and that it may be occurring on 2011 iMacs as well.  Maybe if it is a widespread problem on 2011 iMacs Apple will be more inclined to pursue a solution that may help us with our 2007 and 2008 iMacs.

  • by Tardigrada,

    Tardigrada Tardigrada Jul 21, 2011 12:15 PM in response to bobtibb
    Level 1 (9 points)
    Mac OS X
    Jul 21, 2011 12:15 PM in response to bobtibb

    bobtibb wrote:

     

    Hi all. Just wanted to update on my system, 20inch iMac 8.1; 2.66GHz; ATI Radeon HD 2600 Pro. 10.6.7 with the 10.6.2 kexts installed. It has been three weeks now and I still have two tails wagging! I haven't upgraded to 10.6.8 as I was concerned that some of my software wouldn't work in 64-bit mode...

    It's easy to find out without updating to 10.6.8. Just hold key 6 and key 4 while booting (until the apple appears). Then check if it worked by opening the System Profiler, then clicking on Software. If the line which starts with 64-bit ends with Yes, you're running the 64 bit kernel until next reboot. Now you can test all your software …

  • by bumina,

    bumina bumina Jul 21, 2011 12:21 PM in response to bumina
    Level 1 (0 points)
    Jul 21, 2011 12:21 PM in response to bumina

    My computer crashed at around 11am.  I am posting on my linux box so you can guess how things went from there.  Using old kext files in lion for my 7,1 mac meant that my computer now hangs during boot.  I'm going to try and roll back to 10.6.2 and restore from backups.  This issue is not fixed in any Apple OS past 10.6.2 on my imac 7,1.  I doubt apple will ever fix this problem.  If I write a longer post I will probably just start swearing so I'll stop.

  • by Harkaitz,

    Harkaitz Harkaitz Jul 21, 2011 12:39 PM in response to Tarascon
    Level 1 (0 points)
    Jul 21, 2011 12:39 PM in response to Tarascon

    Tarascon wrote:

     

    Has anybody tried the 10.6.2 driver with Lion?

    Yup, I´ve installed them on my 8.1 imac with the retail release of Lion. They work perfect.

     

    I installed them not because of any hangig, made it because I was suffering some jerky animation when minimizing applications after letting the imac to sleep.

  • by Tardigrada,

    Tardigrada Tardigrada Jul 21, 2011 12:54 PM in response to Harkaitz
    Level 1 (9 points)
    Mac OS X
    Jul 21, 2011 12:54 PM in response to Harkaitz

    I always wonder about early adopters. I never saw a stable OS with only one dot in the version number …

     

    Remember the “Guest Account” bug in 10.6? …

  • by k3bs,

    k3bs k3bs Jul 21, 2011 10:10 PM in response to Tardigrada
    Level 1 (0 points)
    Jul 21, 2011 10:10 PM in response to Tardigrada

    Early adopters... so it's our fault now? We are beta testing their graphic drivers since 10.6.3. I think it's save to say that we gave them enough time to get stable. Trying out 10.7 is not because we feel adventurous.. call it desperate measures.

  • by kremik,

    kremik kremik Jul 22, 2011 11:39 AM in response to k3bs
    Level 1 (0 points)
    Jul 22, 2011 11:39 AM in response to k3bs

    Hello, I can confirm, that Mac 7,1 is running 64bit by default. I have Lion such a short time that I cannot reply if it is still freezing or not.

  • by Eclipsethegalaxy,

    Eclipsethegalaxy Eclipsethegalaxy Jul 22, 2011 3:24 PM in response to k3bs
    Level 1 (5 points)
    Jul 22, 2011 3:24 PM in response to k3bs

    I had freeze ups since 10.6.3 on a 24 in iMac. Again with 10.6.8 and now with Lion. And I have not changed or tested any drivers. I only get them when trying to run Skype. Nothing else seems to cause it.

  • by Tarascon,

    Tarascon Tarascon Jul 22, 2011 6:06 PM in response to DazzaG
    Level 1 (0 points)
    Jul 22, 2011 6:06 PM in response to DazzaG

    Does anybody know where you can get 10.6.2 driver for Radeon 67xx series? Thanks.

  • by Chris J.,

    Chris J. Chris J. Jul 22, 2011 7:44 PM in response to DazzaG
    Level 1 (30 points)
    Jul 22, 2011 7:44 PM in response to DazzaG

    Has anyone been running lion successfully without freezes?  If so..did you use kext files from 10.6.2?  I need to decided if I'm going to upgrade. My graphics card is the ATI 2400. iMac 7,1. Thanks.

  • by CWGuide,

    CWGuide CWGuide Jul 22, 2011 8:00 PM in response to Chris J.
    Level 1 (135 points)
    Jul 22, 2011 8:00 PM in response to Chris J.

    Hey Chris,

    I have the same mac as you (or close enough) and have upgraded to lion.

    I implemented the kext fix while running snow leopard then upgraded to a new graphics update after. Now I've installed lion.

    It's day two and I've run Final Cut Pro and quicktime and youtube at the same time while in some of the hottest weather our city has experienced (the mac fans were actually making noise they were working so hard) and it has not frozen yet.

    This of course dose not mean it's fixed just that I haven't experienced any of the freezes yet (also lion is amazing and seems to be making my mac run EVEN BETTER THAN BEFORE!)

    Hope this helps you make a decision

  • by bumina,

    bumina bumina Jul 22, 2011 9:10 PM in response to Chris J.
    Level 1 (0 points)
    Jul 22, 2011 9:10 PM in response to Chris J.

    Hi Chris,

     

    I have the exact same imac as you.  Lion did not fix my freezing issue and I am currently reversing my lion install back to 10.6.2.  Hope that helps you make an informed decision.

  • by Matthew Yohe,

    Matthew Yohe Matthew Yohe Jul 22, 2011 9:13 PM in response to Chris J.
    Level 2 (180 points)
    Jul 22, 2011 9:13 PM in response to Chris J.

    iMac 8,1 with the ATI 2600 Pro and I'm pleased to report that I've not frozen once this week. I'm a developer so I've had access the GM build and moved my iMac over last Saturday, and have not had any issues, where I was still having issues with 10.6.8.

     

    We'll see how it goes.

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