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Other Hardware and Peripherals Other Apple systems and peripherals discussion.

External hard drive & idefrag


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eguerrero

 
Member Since: Jan 15, 2012
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I used idefrag on an external hard drive formatted as fat32 and now I cannot access any files on it on either a MAC or PC. Does anyone know if doing this corrupted my hard drive?
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Kevriano

 
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It seems it may have, yes. There isn't really any need for iDefrag either.
Open disk utility to see if the drive at least shows up.

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eguerrero

 
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The drive does show up in disk utility; however, it is not mounted and cannot be mounted. When attempting to repair the drive, we get this:

Verify and Repair disk “C”
** /dev/disk2s1
** Phase 1 - Read FAT
Unable to read FAT (Input/output error)
Error: The underlying task reported failure on exit
1 non HFS volume checked
1 volume could not be repaired because of an error

I suspect the files may still be on the drive, but the file system has been corrupted because when I plugged the drive into a PC, I discovered the drive is being read "raw file system".

Any suggestions on how I might be able to recover the files? I tried testdisk for mac; however, it cannot find the drive.

BTW, I realize now I really don't need to defrag, and especially an external hard drive that just contained data files and pictures!
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