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Old Dec 12, 2012, 11:24 AM   #1
foundito
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iMac fails to boot after failed erase empty space action by Disk Utility

Hello all,



My iMac was running slow after a short power cut. I tried disconnecting some external hard drives but the problem consisted. I run he Disk Utility, Verify... it found some problems on my Startup Disk and adviced me to Repair the Disk by inserting the DVD and run Disk Utility from there. This I cannot do as my DVD driver is broken and does not read anything.



I restarted in Safe Mode and run the Disk Utility



Then I tried to erase empty space of aprox 200GB(god knows why). I did the quick version of this action. After about an hour the progress bar did not move at all plus I was geting messages that there is no empty space on my startup disk.



So I tried t skip but the procedure wouldn't stop.



So I force quit, but then I am left with no empty space on my Disk, literally 0KB available. I started looking for the temporary file to delete it, meanwhile I did create some empty space by deleting some temporary files.



I then tried to restart...but I CAN"T. The white screen appears plus a bottom progress bar, as if I'm starting in Safe Mode again, then the iMac shuts down on itself.



I realise this is because of the lack of empty space, or the fact that indeed my startup disk is corrupted...or both



The current situation is that I am unable to start my iMac and I cannot do any work. Remember that my DVD driver does not read any DVD's or CD's.



Is there any way that I can fix this on my own, or should I go for professional help?

I operate Snow Leopard 10.6.8, have 1TB Hd for a startup and 16GB of Memory RAM


thank you all in advance
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Old Dec 12, 2012, 11:28 AM   #2
GimmeSlack12
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Not to be captain obvious, but can you restore from a backup? Does a backup exist? Please tell me you didn't try this without a backup available...

Sounds like you're going to need some help with this.
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Old Dec 12, 2012, 11:38 AM   #3
foundito
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yes back-up exists (on time machine)
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Old Dec 12, 2012, 01:16 PM   #4
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Quote:
Originally Posted by foundito View Post
yes back-up exists (on time machine)
Ok good.

Well it sounds like your startup disk is just a bit broken right now. So you'll want to figure out a way to get a bootable external disk to boot from, or use a laptop in target mode if you have one available.
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Old Dec 12, 2012, 01:43 PM   #5
foundito
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I do have a Mac book pro at hand...

awaiting instructions (detailed if possible as I am a rookie) in how to use the Mac book pro to access the iMac startup or something
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Old Dec 12, 2012, 06:05 PM   #6
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Quote:
Originally Posted by foundito View Post
I do have a Mac book pro at hand...

awaiting instructions (detailed if possible as I am a rookie) in how to use the Mac book pro to access the iMac startup or something
There are plenty of places that describe it in detail via Google. But it's really easy, connect your computers together via Firewire only. Have the Macbook already turned on, then turn on the iMac while holding "T" down. The iMac should boot up and just show a firewire symbol.

At this point you should see your iMac drive show up on your Macbook Pro's desktop. Then do a restore via your TimeMachine backup, or disk repair, or whatever you want.

EDIT: Target mode only works with a Firewire cable.
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