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Old 03-03-2013, 10:06 PM   #1 (permalink)
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Default Repair or Reformat External HD problem

Ok, yesterday I bought an enclosure for a 1Tb Hitachi Hard Drive that I took from my old PC. I connected it to a Mac Book pro and it was only in read mode. I decided to format the Hard Drive on a PC, and when I when I connected it to the Mac again it wanted to do the time machine back up, I said yes and stopped half way, it then said the device was ejected improperly, which wasn't true as it was still connected perfectly. After that every time I tried connecting it the Mac would say, can't initialize and it would give me the option of going to Disk utility, ignoring or ejecting. I tried erasing it in Disk Utility and it didn't work. I tried using DiskWarrior and it got stuck on Step 1 for about 5 hours, I tried TechTool Pro, left it overnight and instead of the 5 hours that were left, it had 15 hours left, so I decided to see if there was a PC way to do it, as I needed to use my laptop and where I had it wasn't going to work. I tried TestDisk and it came out saying "no bootable partition". I don't need to recover any data, I just want to be able to use the HD as an External HD. It had no information of importance. Is there any solution to this?
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Old 03-03-2013, 10:11 PM   #2 (permalink)
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Default Re: Repair or Reformat External HD problem

what type of mac are you using it with? you probably just need to format it to a partition that mac likes to use. also, what kind of hard drive and enclosure is it?
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Old 03-03-2013, 10:13 PM   #3 (permalink)
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Default Re: Repair or Reformat External HD problem

Mac Book Pro. And its iMicro enclosure.
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Old 03-03-2013, 10:14 PM   #4 (permalink)
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Default Re: Repair or Reformat External HD problem

latest version of the OS? and what kind of hdd was it?

Edit: do you need to use it on windows as well, or jsut mac os?

if only mac, are you using the usb hdd for time machine?
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Old 03-03-2013, 10:15 PM   #5 (permalink)
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Default Re: Repair or Reformat External HD problem

Yes latest OS, and its a Hitachi 1TB.
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Old 03-03-2013, 10:16 PM   #6 (permalink)
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Default Re: Repair or Reformat External HD problem

Just MAC. I just want to use it as a backup for my work.
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Old 03-03-2013, 10:18 PM   #7 (permalink)
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Default Re: Repair or Reformat External HD problem

ok well, you could format it as HFS+ OR exFAT and it should work fine

however, if you need time machine to be usable, only HFS+ will work.
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Old 03-03-2013, 10:19 PM   #8 (permalink)
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Default Re: Repair or Reformat External HD problem

How?
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Old 03-03-2013, 10:26 PM   #9 (permalink)
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Default Re: Repair or Reformat External HD problem

Im not too terribly familiar with macs, but this guide seems to spell it out nicely:

Formatting a HDD with Mac OS X
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Old 03-03-2013, 10:28 PM   #10 (permalink)
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Default Re: Repair or Reformat External HD problem

Thank You SIR! It worked!!
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