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Old Sep 4, 2008, 02:32 PM   #1
ghjkl
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Help!! iMac keeps shutting off

Every time I start it up it shuts off after a minute. All I get is a white screen with the grey apple and the spinning wheel and then it turns off. Before this I did the hardware test and I got this: 4HDD/11/40000004:SATA (0,0). I was also able to go on single user mode, but now I can't do either .

Anyone know what I could do? Thanks!
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Old Sep 4, 2008, 02:41 PM   #2
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Can you boot off of the OS X DVD? I would suggest trying that, as it looks like either one of the partitions of the HD is corrupt or the entire machine is corrupt.

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Old Sep 4, 2008, 03:02 PM   #3
ghjkl
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Yes I tried that, but the computer just shuts off
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Old Sep 5, 2008, 05:18 PM   #4
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So when I turned on the mac today I hold the option key and managed to see the Mac OS X disc . So I just changed the startup disc to the OS X disc or should I change it to the Macintosh HD? I still cant login so my friend is going to lend me her laptop so I could do target mode though do I just drag the user folder to her desktop?

Thank you for your help!
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Old Sep 6, 2008, 02:33 PM   #5
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My friend lend me her laptop but now the macintosh hd won't work it says it needs to be repaired I tried to with the cd but it won't work any help please?
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Old Sep 6, 2008, 02:59 PM   #6
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Try switching the SATA connectors?
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Old Sep 6, 2008, 03:29 PM   #7
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What do you mean?...I'm trying to do target mode, but all that will show up in her macbook is the disc I have in my computer. It won't show the Macintosh HD .....Also now I can do single mode so I ran the fsck and i got this:

**/dev/rdisk0s2
**Root file system
**Checking Journaled HFS Plus Volume.
**Checking Catalog File.
disc0s2:0xe0030005(Undefined).
invalid mode structure
(4,1906)
**Rebuilding Catalog B-Tree
**The Volume Macintosh HD could not be repaired.
/dev/rdisk0s2(HFS)Exited with signal 8


should i keep doing the fsck?......Even if I try to reinstall mac os x it won't show the HD.
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