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Thread: Using Testdisk for recovering USB drive

  1. #1
    Join Date
    Sep 2008
    Beans
    59

    Using Testdisk for recovering USB drive

    I have Ubuntu 9.04, AMD-64 computer.

    My FAT32 USB drive has a problem. This is why I used TestDisk but failed.

    http://www.cgsecurity.org/wiki/Main_Page

    My USB drive has errors related to permission issues and it became read-only default without any reasons. It wouldn't copy a complete folder and some of the files are corrupted. It's very impossible to copy them and make a fresh clean backup.

    When I used TestDisk, I have a warning error like:

    Code:
    Warning: Incorrect number of heads/cylinder 128 (FAT) != 124 (HD) 
    Warning: Incorrect number of sectors per track 63 (FAT) != 62 (HD) 
      FAT32                    0  18 29  1018  83 22    7830408 [KINGSTON] 
    Warning: Incorrect number of heads/cylinder 128 (FAT) != 124 (HD) 
    Warning: Incorrect number of sectors per track 63 (FAT) != 62 (HD) 
      FAT32                    0  18 35  1018  83 28    7830408 [KINGSTON]
    And I got an overall result like:


    Code:
    The harddisk (4009 MB / 3824 MiB) seems too small! (< 4009 MB / 3824 MiB) 
    Check the harddisk size: HD jumpers settings, BIOS detection...
    I'm very clueless how to use TestDisk with a 4G USB drive. Is there a proper way to do this?
    Last edited by BuntuFirstTimer; July 5th, 2009 at 01:09 PM.

  2. #2
    Join Date
    Jul 2009
    Location
    Paris
    Beans
    4

    Re: Using Testdisk for recovering USB drive

    Is the disk read-only or the filesystem read-only ? TestDisk will display &quot;(RO)&quot; next to the drive size if the disk is read-only &quot;bad sectors&quot; are a possible cause. The filesystem may be read-only if the filesystem is corrupted. Try fsck.vfat to check and repair the filesystem Christophe PS: You will get better results with TestDisk if in the Geometry menu you sets 128 heads and 63 sectors.

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