New imac 24 inch unresponsive after leopard upgrade

I have installed leopard on all of my family's computers. My new 24 inch imac has become unresponsive after being on for about 24 to 36 hours. The only way to regain control is to hold in the power button for a few seconds and restart. The other computers in the family including a macbook pro, a G4 mirrored drive and an old ibook do not exhibit this problem. The imac is the only computer running time machine so I am wondering if this is what the problem is. I guess I can deactivate time machine and see what happens, however I like the time machine backup. Any thoughts?

Apple acknowledges there is a freezing problem with new 20" & 24" iMacs, most likely caused by the video drivers they shipped with. Apple released an update just today that MIGHT be the fix for the problem. Go to Software Update in your system preferences and download it now.
I had the same problem with my 24" iMac. It would lock up specifically when I was browsing a lot of photos through Preview. I installed the update and tried to replicate the freeze, but it didn't reoccur. Apple wasn't very forthcoming on what the update fixed, but I'm hoping that is it.

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  • No sound after Leopard upgrade PB 15 inch PPC

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    iMac   Mac OS X (10.4.8)   also have a iBook G4 & I do all the photo stuff on the iMac

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  • New Imac really noisy after change to SSD

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    Hello,
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    Since the late 2009 iMacs came out, replacing the hard drive has caused the internal Hard Drive Fan to start running at around 6000RPM.
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Replacement drives do not contain the firmware to deliver temperature data on the temperature sensor cable.
When the iMac does not receive a good signal from the hard drive it puts the fan at full speed to protect the drive.
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It runs at startup and continually to always control the fan correctly, prevent the loud fan noise and protect the drive from overheating.
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  • Problems after Leopard upgrade with ATI 9800 Pro 256MB

    I don't know if this is related.. but I've been battling multiple problems ever since I upgraded my G5 to Leopard a week ago. Everything was perfect under Tiger.
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  • Mail sick after Leopard upgrade

    Hi everyone
    I originally added my comments to another thread, but that person's problem has been solved, while mine has not, so I had better post separately.
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    I have quite a few extra mailboxes. The Leopard upgrade has rearranged them. They used to be listed under the Inbox and Smart Mailboxes (I installed MailTags once, but had problems with it, so I uninstalled it, but the Smart Mailboxes I created remain). The whole hierarchy, from the top of the sidebar, was called "On My Mac".
    After the Leopard upgrade, "On My Mac" no longer represents all my mailboxes. It has been shifted down the sidebar, and now only contains my extra mailboxes (mailing lists etc.). My Inbox, Sent, Trash, Junk and Smart Mailboxes are now separate categories to On My Mac, and listed above it. I have no idea if this is relevant or not, but I mention it in case.
    Following a suggestion on this forum, I tried rebuilding my Inbox. Mail crashed. It crashes every time I try to Rebuild my Inbox. (Crash log: http://www.riverland.net.au/~clytie/Mail_rebuild.txt).
    After my attempted Rebuild, my Inbox was empty. All my previous messages had disappeared. There are plenty of emix files in my ~/Library/Mail POP account folder, but oddly, they are very old, many from previous years. Yet I only keep a couple of months' emails in my Inbox! None of these recent mails remain.
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    My question hasn't been answered here, but I seem to have found the answer myself, eventually.
    I decided to move the GrowlMail and PGPMail mailbundles to the Bundles Disabled folder, plus delete my two remaining MailTags smart mailboxes from when I had MailTags installed, then restart.
    Lo and behold, as my old Grannie always said, I could successfully rebuild my Inbox. All my much-regretted previous emails appeared again! It was an emotional reunion.
    Then I tried checking mail, and LaB again, several days of mail came pouring in.
    Evidently something to do with the mailbundles or old smart mailboxes was getting in the way of Mail function.
    I'll try reintroducing each mailbundle. I hope nobody else has this problem, but just in case, I thought I'd better leave my belated solution.

  • IPhoto trouble after Leopard upgrade

    Just upgraded to Leopard and iPhoto would not launch after the upgrade.
    Tried to reinstall iPhoto by upgrading to iLife 08 and installation was successful, but when I launch I get a message saying I need to upgrade my photo library and I click OK.
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    Help is greatly appreciated.
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    jmgalla
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    Launch iPhoto. It will ask if you wish to create a new Library. Say Yes.
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    When you're sure all is well you can delete the iPhoto Library on your desktop.
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    Regards
    TD

  • New Imac with Tiger want Leopard and ILife without waiting

    I just got a new IMac for Christmas but it has Tiger on the hard drive and in the box. (Last time I buy hardware from Amazon). I do have a full Leopard install disc I used on my Laptop. Can I use this while I wait for my free Leopard upgrade to come or is this breaking the user agreement? Secondly if I do a clean install when I get Leopard how do I get ILife back onto the IMac without buying it again?(since it came pre- installed)?

    Joseph Kriz wrote:
    Nero,
    I will always remember you, Tiny Tim, and mik311y..........
    I still say the point system here stinks........
    My personal opinion........
    I really wish they would fix it or do away with it....
    A simple thanks for the help would do it for me rather than these misguided points...
    It's not like Apple is giving away computers when a person hits 50,000 points....
    So, really, what good is the point system when the points are NOT given out properly........?????
    Happy Holidays and you take care.........
    The other dupe is gone. Wonder what would have happened if I got the star on that post? Easy come, easy go?
    I was not here for the original post system, wherein if I simply posted, "what a great day" I would get points for no reason at all except that I typed something. You certainly would not want that, would you?
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    In the long run we are all dead, so said some old dead brit economist.
    Message was edited by: nerowolfe

  • Screen flicker stops after Leopard upgrade...

    I have been suffering from the dreaded screen flicker affliction for about 3 months now on my Nov. 07 MB c2d. I upgraded to Leopard yesterday, without any issues at all by the way, and my screen appears completely normal with no flicker at all. Hopefully this will last.
    Is it possible Tiger was the cause of the flicker and not the inverter like so many had theorized?
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    Brand new MacBook Pro with Leopard and brand new 23 inch cinema display… I just saw some very noticeable screen flicker on the desktop picture. It was most noticeable when I had lots of windows open and could only see about an inch or so of the desktop at the top. It lasted maybe 5–10 minutes and stopped.

  • ISync problems after Leopard upgrade...please help

    I recently upgraded to Leopard. It worked fine on my laptop, but something went wrong with my mac mini. The only way it would install is with a complete reformatting...had everything backed up, so I figured why not. Here is my mess.
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    I've already reset PRAM with the option,command,P,R keys... letting it chime a couple times... and have already done this many times over the last few days. Doesn't seem to help. I don't know how to reset NVRAM via open firmware and the instructions are vague. But, supposedly a PRAM reset is all you have to do.
    If it is a heat problem, why would it only have presented itself directly after a Leopard upgrade? It also does it when I boot off the Leopard disk. Actually does it worse. I'd just get a new card if I wasn't suspicious about the Leopard upgrade... not convinced it's a hardware problem yet. Though the card is mounted on the bottom slot above the CPUs. It has a fan on top that appears to be working but it doesn't look like much clearance between the card and the top of the CPUs case.
    I could move it up a slot to give it more air... but it still doesn't explain why until last Monday, it worked fine under Tiger.

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