Partitioned external HD, now can't initialize
Hi. I have Windows 7x64, and I tried repartitioning a functioning external 320G Maxtor HD for storage of True Image partition backups. When I created the new partitions, I was offered the choice of not assigning a drive letter, with no warning it might cause problems. I foolishly made this choice, thinking "the OS will assign drive letters as needs." Ha ha. Now the HD doesn't show in half my programs, and when I ran Disk Director again it shows the disk as uninitialized and unpartitioned. I have repeatedly tried initializing it, without success. I also tried GPartEd, and it gave me this error message
/dev/sdb contains GPT signatures [I selected MS-DOS, the default, NOT GPT when I partitioned and formatted the HD], indicating that it has a GPT table. However, it does not have a valid fake msdos partition table as it should. Perhaps it was corrupted -- possibly by a program that doesn't understand GPT partition tables. Or perhaps you deleted the GPT table, and are not using an msdos partition table. Is this a GPT partition table?
Whether I click yes or no, it doesn't solve the problem.
Is there ANY way I can fix this error? Or is my HD trashed? (I do feel there should be a warning next to that choice in Disk Director.)
Thanks,
Stymied in Sacramento
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You could also use the Windows command line utlity Diskpart to clean the drive. Then using Windows Disk Management have Windows re-initialize, partition, and format the drive. You can choose to use either GPT or MBR. MBR is more compatible than GPT, but GPT is more reliable.
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Scott,
Thanks for your suggestions! I'd prefer MBR, since my other computer is an older one with XP Pro. Disk Director says the external HD is "healthy," but I can't initialize it, reformat it, repartition it or write to it. I just tried Disk Management, and I can't initialize the HD.
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James F,
Thanks for your suggestions as well! I tried Diskpart, selected the appropriate disk (disk 2, which showed up and which I recognized by the size), and tried to clean it. I got an error message, saying "the system cannot find the file specified."
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Acronis customer,
Try attaching your drive to another computer and try running Diskpart again.
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