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Old Feb 19, 2011, 06:24 AM   #1
crmpicco
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Cannot format my WD MyBook Essential External Hard Drive - showing error

Hi,

I am having a problem with my WD MyBook Essential Edition 250GB external hard drive. I have formatted it for Mac OSX (Journaled) in Disk Utility, copied around 10GB of data onto it and plugged it into my LG BD player.

The BD player didn't recognise it so I removed it and plugged it back into my Macbook. Since then I have been unable to format it using Disk Utility or even access the files that are on it. When I plug the drive in via USB after 10-15 seconds it gives me this error message:



After that I have to manually switch the disk off as Mac OSX cannot see it. The front light just keeps blinking on and off.

This is the drive....

http://reviews.cnet.com/external-har...-31792597.html

Any help very much appreciated.

PS. Also posted for discussion/assistance at http://community.wdc.com/t5/Other-Ex...OSX/m-p/138692
Picco

Last edited by crmpicco; Feb 19, 2011 at 06:32 AM. Reason: adding WD forum link
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Old Feb 19, 2011, 09:44 AM   #2
DewGuy1999
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Formatting & Partitioning a Hard Drive in OS X - Tiger and Leopard, also make note of the section Cryptic Error Message near the end.
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Old Feb 19, 2011, 12:53 PM   #3
crmpicco
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Thanks for your reply, I have tried this but to no success.

It appears that the drive has a problem mounting so I cannot format it

Basically what I am doing is plugging the drive in by USB, it appears in Disk Utility, I click 'partition' as it says in that guide you provided and the 'not responding' icon appears after a few seconds and then I get the error message in my first post!

I have a Windows 7 VM on my Macbook, i'm wondering if I would be able to format it from the command line in Windows to FAT-32? I can't see the drive in Windows Explorer when I plug it in, but presumably that's because it's in Mac OSX format.

What is my best bet to progress with this?

Thanks,
Picco
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Old Feb 19, 2011, 04:30 PM   #4
DewGuy1999
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Sorry, but I don't have any experience with formatting hard drives under Windows. Are you able to run a Repair Disk on it using Disk Utility?
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Old Feb 20, 2011, 03:59 PM   #5
crmpicco
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No, I cannot do anything like that. When I try to format it at the command line it always shows "resource busy" then ejects....

Not sure what else to do with it, so i'm in the process of asking the seller if they'll take it back as it's absolutely useless to me now.

Any advice welcome and appreciated of course, but I think plugging the drive into my BD player has well and truly screwed it!

Thanks,
Picco
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Old Feb 20, 2011, 04:11 PM   #6
DewGuy1999
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Quote:
Originally Posted by crmpicco View Post
No, I cannot do anything like that. When I try to format it at the command line it always shows "resource busy" then ejects....

Not sure what else to do with it, so i'm in the process of asking the seller if they'll take it back as it's absolutely useless to me now.

Any advice welcome and appreciated of course, but I think plugging the drive into my BD player has well and truly screwed it!

Thanks,
Picco
I don't have any experience using Disk Utility from the command line, but have you tried it from the Disk Utility app in the Utilities folder?

I suggest that if you get another external hard drive that you find out what hard drive format is supported by your BD player (probably FAT32 or maybe something proprietary) before plugging the hard drive into it.
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Old Feb 21, 2011, 07:57 AM   #7
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Might try the Config module within Windows. Go to Start and enter msconfig in search. Open the program that appears and go to the Disk Management option. See if the drive appears as available. This module allows you to edit partitions instead of just volumes. Mess around (with the external drive only ) and see if that might help.
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