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External Hard Drive Can't Be Modified


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#1 DebraJess

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Posted 19 August 2007 - 03:20 PM

I purchased a Seagate Free Agent 250GB external hard drive so I could backup items from my dying Dell and transfer them to my new MacBook Pro. Now when I want to backup items from my MacBook Pro to the external hard drive, the drive says it can't be modified. There are still 222GB of free space on the external hard drive. Why can't the hard drive be modified. Is it because I used it on the Dell first? Any help unlocking the external hard drive would be appreciated.

Thank you!

DJ :thumbsup:

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#2 Buddyme2

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Posted 19 August 2007 - 07:50 PM

It's probably formatted as NTFS which a Mac can read but can't write to. If it was formatted as FAT32 both a PC and a Mac can read and write to it but up to 4 GB at a time I think.
If you're only going to use it with the Mac, you should format it as Mac OS Extended with Disk Utility. The data on the drive will be erased when formatted.

#3 DebraJess

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Posted 19 August 2007 - 08:15 PM

It's probably formatted as NTFS which a Mac can read but can't write to. If it was formatted as FAT32 both a PC and a Mac can read and write to it but up to 4 GB at a time I think.
If you're only going to use it with the Mac, you should format it as Mac OS Extended with Disk Utility. The data on the drive will be erased when formatted.


Eeeek. Ok, I'll find someplace else to back up all the critical stuff and try reformatting. Thank you for letting me know!

Deb :thumbsup:




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