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Whats the best way of recovering stuff from a corrupted HDD?

  • 01-07-2009 9:45pm
    #1
    Run_to_da_hills
    Closed Accounts Posts: 20,009 ✭✭✭✭


    I have a 500GB SATA drive that had important docs etc, when I placed it in a caddy it seemed to have got corrupted. It shows up as a 500Gb HDD but I cannot access it. Is there any recommended freeware utilities?


Comments

  • #2
    Karoma
    Registered Users, Registered Users 2 Posts: 19,396 ✭✭✭✭Karoma


    Ask the NWO - they have a copy.



    Does it say what format the HDD is?
    What OS are you using?


  • #3
    Run_to_da_hills
    Closed Accounts Posts: 20,009 ✭✭✭✭Run_to_da_hills


    Karoma wrote: »
    Ask the NWO - they have a copy.
    Not this one, its "clean", ie It has never been on a PC that has been connected to the Internet. :pac:

    Karoma wrote: »
    Does it say what format the HDD is?
    What OS are you using?
    NTSF Windows XP.


  • #4
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,597 Mod ✭✭✭✭Capt'n Midnight


    in the linux world use ddrescue to dump the entire drive to an image on another drive , and do data recovery on that.


    take it out of the caddy and put it directly in the PC it could just be drive geometry translation ( unlikely but you never know )

    then use hdtune to check the smart reports on the drive to see what the drive thinks itself.

    testdisk will rebuild partitions - use as last resort ! - but it will list files so you can check first
    photorec will recover files directly from the drive, but you loose the names


    other tools out there but we don't know what the problem is,


  • #5
    Martyr
    Closed Accounts Posts: 1,567 ✭✭✭Martyr


    if you have bad sectors on disk, you could try remapping with mhdd
    read the manual first. as if misused, your data is gone for good.
    also, you could delete files you don't need which might help recover the files you want.

    Just look at this. This is a typical diagram how generic DOS program talks to the drive.



    PROGRAM <---> MSDOS <---> BIOS <---> IDE/SATA controller <---> Hard disk



    And now how MHDD works:



    MHDD <---> IDE/SATA controller <---> Hard disk


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