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Old Nov 18, 2011, 07:48 AM   #1
toastface5
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Join Date: Jun 2009
Unhappy Is my iMac dying?

Hi,

My 2007 iMac 24 inch keeps freezing all the time. Two nights ago, it had it's first kernel panic. I cannot get onto the computer without it freezing, so I couldn't get to system profiler to copy the specs, so I am using my macbook pro to write this. I copied the model's specs from the MacTracker app and pasted them in pastebin here: http://pastebin.com/RY0BsBcr .

Can anyone help me? Or do I need to get a new computer?
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Old Nov 18, 2011, 07:50 AM   #2
simsaladimbamba
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Can you start the iMac in Target Disk Mode and connect it via Firewire to your MacBook (if that MacBook has Firewire)?
If so, you could troubleshoot from there, maybe some permissions are corrupted or maybe the HDD is dying. Do you have backed up all important contents of the iMac?
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Old Nov 18, 2011, 08:00 AM   #3
toastface5
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The latest TM backup of the iMac was about 3-4 weeks ago, but that was due to Time Machine not letting me backup for some reason, so all my important data has been copied to the Ext. HDD manually. I assumed this was to do with the Ext. HDD having messed up in some way, but with the current situation, it may be something to do with the iMac after all, as the Ext. HDD is letting me read and write to it, just not via TM.

EDIT:
I have decided I am going to reinstall Snow Leopard tonight to see if that helps, and copy all my data over slowly (like music, photos etc). Also, I will probably put a second OS on there (Probably Windows XP, or Vista as I have used up my only windows 7 license on my MBPro), for my non-university windows use. I will report back if it is still slow.

Last edited by toastface5; Nov 18, 2011 at 08:24 AM.
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Old Nov 18, 2011, 08:32 AM   #4
rkaufmann87
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Quote:
Originally Posted by toastface5 View Post
Hi,

My 2007 iMac 24 inch keeps freezing all the time. Two nights ago, it had it's first kernel panic. I cannot get onto the computer without it freezing, so I couldn't get to system profiler to copy the specs, so I am using my macbook pro to write this. I copied the model's specs from the MacTracker app and pasted them in pastebin here: http://pastebin.com/RY0BsBcr .

Can anyone help me? Or do I need to get a new computer?
A common cause of KP's is RAM related. This can be:
  • Failed RAM (yes it can fail)
  • Incorrect RAM (did you update it recently?)
  • Unseated RAM, simply remove and reseat.

KP's can be tough to find because they can be caused by hardware or software. I'd recommend reading

http://www.thexlab.com/faqs/kernelpanics.html

to learn how to troubleshoot them.
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Old Nov 18, 2011, 08:40 AM   #5
BrianBaughn
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If you're unable to complete the install because of the "freezing", you could be in for trouble. You'd have no working system, possibly.

Have you noticed any odd display issues other than the freezing? I say this because there were some iMacs from that era that have faulty graphics cards that would eventually do something like what you describe. Some make it a few years before the symptoms show up.

Does it run without problems a little longer if it has been off for a while? That would be a symptom.

I got one (that wouldn't run for more than a few minutes) working by installing smcfancontrol to increase the fan speed. I actually had to put the thing in front of an air conditioner for a while to get it to cool down so that I would have time to install it! With more fan speed (and a little more noise) it stopped crashing.
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