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Discussion Starter · #1 ·
Hi,

I was formatting a 500gb external HDD and it was accidentally interrupted.
The HDD now refuses to be reformatted or repaired in any way!

It still shows up in windows as "needing formatting".
However, if I begin a format, after about 5 seconds the drive stops spinning and locks up, halting the format.
The same happens if I attempt to use the disk checking tool, it locks up immediately.

Any suggestions?

Thanks
 

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How was it accidentally interrupted? Power failure?

Try using a diagnosis software of the manufacturer of your hard drive. It's probably your last hope before you dump that drive.
 

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Discussion Starter · #3 ·
The PC lost power during the format.

I tried the option to format it into exFAT, and it was successful.
The disk check then worked, and found no problems or bad sectors.

However, it still fails when formatting to NTFS or FAT32, which is what I need

Thanks
 

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Awesome news! If you have formatted it successfully on another file system and it's working, the drive is healthy.

Try using another Windows version, or even the Windows setup program itself to format your drive. If it doesn't work, try a software other than Windows to format it. Unfortunately I don't have any suggestions I have tested, but I'm sure there are plenty of options around for you to try. :)
 

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Discussion Starter · #5 ·
Awesome news! If you have formatted it successfully on another file system and it's working, the drive is healthy.

Try using another Windows version, or even the Windows setup program itself to format your drive. If it doesn't work, try a software other than Windows to format it. Unfortunately I don't have any suggestions I have tested, but I'm sure there are plenty of options around for you to try. :)
Thanks for the suggestions, I will try and use the windows installer to format.

Something is still definitely up with the drive. I tried copying a 45 megabyte file into the drive, and after a few seconds of copying, it stopped spinning and locked up.
It seems that it will immediately lock up when any data starts getting written to it
 

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You could try removing it from the enclosure and plugging it directly to your computer as an internal HDD, just to make sure the external case isn't the problem. I believe I jumped to conclusions a bit too fast on my previous posts, excuse me. :)
 

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Discussion Starter · #7 ·
You could try removing it from the enclosure and plugging it directly to your computer as an internal HDD, just to make sure the external case isn't the problem. I believe I jumped to conclusions a bit too fast on my previous posts, excuse me. :)
I will try that tomorrow, its getting late here :)

Amazing how an interrupted format has seemingly ruined the drive so bad that it can't be reformatted :(

Thanks for your help/suggestions
 

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Discussion Starter · #8 ·
I have tried a few different methods, and eventually the drive stopped shutting itself off during formats

Now I am getting a new error: "The format did not complete successfully"
Any suggestions on how to fix this?
 

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Mmm, yes, I guess we're back to first step: find a software provided by the HDD manufacturer to scan for errors. I have a Maxtor drive that's doing exactly the same as yours, and the only way to locate the problem in it was using the Maxtor HDD diagnosis software provided by them, which showed me a lot of bad blocks.
 

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Discussion Starter · #10 ·
The HDD is made by Buffalo Inc.
I downloaded a pack of tools, and one of them is called "DeviceCheck"
Unfortunately the tool was last updated in 2008 and won't execute on my Windows 7 computer.

They did however provide a formatting tool, which seems to complete fine, yet the filesystem on the drive is still RAW
 
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