External HDD suddenly requires formatting, read as RAW instead of ntfs

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  1. Posts : 33
    Windows 7 ultimate 64 bits
    Thread Starter
       #31

    Hey,

    The scan if over, the missing 2TB couldn't be recovered. I attached a screenshot.

    Question: don't all the partitions add up to more than 2TB ? technically how could it be that suddenly 1.9 of the 4 platters disappear ?

    Sorry I try to understand this stuff ... I learnt to use a computer but am not yet very good in understand the real functioning behind all of this.

    @Slartybart in itself the HDD is not in an enclosure, it is just that I can only place 2.5" HDD inside my laptop ;-)
    Attached Thumbnails Attached Thumbnails External HDD suddenly requires formatting, read as RAW instead of ntfs-end-long-scan.png  
      My Computer


  2. Posts : 33
    Windows 7 ultimate 64 bits
    Thread Starter
       #32

    Also, on the advice of Slartybart I downloaded the Seagate version of the Partition Wizard, turns out it will only install if the HDD directly wired in the PC, USB can't work.
      My Computer


  3. Posts : 6,458
    x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
       #33

    Thanks for your answers, although I didn't advise you to download the DiskWizard - I was only asking if you did. Your post I quoted does however answer the question asked; "No you did not previously download and install the Seagate DiskWizard"

    Ok, so sometime tomorrow my connection will disapppear... good luck, you're in the best of hands.

    Bill
    flows69 said:
    Also, on the advice of Slartybart I downloaded the Seagate version of the Partition Wizard, turns out it will only install if the HDD directly wired in the PC, USB can't work.
      My Computer


  4. Posts : 33
    Windows 7 ultimate 64 bits
    Thread Starter
       #34

    Thanks for your help Bill

    If I understand well, in my situation I am kind of forced to format. I'll just take some time to make sure I understand which software to use.
      My Computer


  5. Posts : 7,063
    Windows 7 Home Premium 32 bit
       #35

    In post #6, during the first run of Partition Recovery wizard, you had allowed it to delete the partitions - whatever those were. Most probably the GPT structure.

    Now the Partition Recovery Wizard shows all the deleted partitions.

    Select all the partitions and click on Finish. Please note that it will only undo the mistake you did and we will be back to the original condition as it was when you started this thread.

    From thereon we can start afresh.

    @Slarty, I wish you are able to continue. I know pretty well I am in an uncharted territory namely Recovery from a GPT drive but sure I am taking every precaution not to alter the original faulty condition and make it still worse. The above corrective action is to undo a mistake flows69 did due to some communication gap. What do you think of it?
      My Computer


  6. Posts : 6,458
    x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
       #36

    No I don't think you're forced to format, yet. gGve Jumanji some time, he's very good. It might take a bit of time though.

    He already offered another path in post# 24.
      My Computer


  7. Posts : 7,063
    Windows 7 Home Premium 32 bit
       #37

    @flows69,, go ahead Select all the partitions and click on Finish. When the action is completed post a screenshot of how your drive appears in Partition Wizard.

    You will then try PhotoRec. PhotoRec does not write anything to the drive and is absolutely safe. There is noway you can do any mistake.:)
      My Computer


  8. Posts : 6,458
    x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
       #38

    Don't sweat the GPT stuff too much, it has a MBR index reference (maybe the wrong terminology) so other disk utilities work. Just be careful using any direct disk editing tools - that's why I posted the reference pages.

    Both PartWiz and TestDisk seem to know about GPT.
    Testdisk forum, GPT search results: cgsecurity.org ? Search
    jumanji said:
    @Slarty, I wish you are able to continue. I know pretty well I am in an uncharted territory namely Recovery from a GPT drive but sure I am taking every precaution not to alter the original faulty condition and make it still worse. The above corrective action is to undo a mistake flows69 did due to some communication gap. What do you think of it?
    Yeah, I think it's worth a shot - see what PartWiz can repair.

    Jumanji, I know, both of us worry about the data, but take your time and trust your knowledge - you have a sound understanding of the disk repair/recovery process.

    Flow, please ask if you're uncertain. After a while it will become more natural and the trouble shooting will go much smoother.
    Bill
      My Computer


  9. Posts : 33
    Windows 7 ultimate 64 bits
    Thread Starter
       #39

    You guys are great, thanks for the support. Alright before doing anything wrong, here is what I have right now. I can only check two of the partitions. Should I click finish anyway ?

    I have no doubt Jumanji is more than competent to walk me through the recovery of my data. The only reason I was looking at other softwares is that I had stored on the HDD some files with very uncommon format. Mostly data sets which were created by specific statistical analysis programs. From what I understand I am not sure those could be recovered easily ...
    Attached Thumbnails Attached Thumbnails External HDD suddenly requires formatting, read as RAW instead of ntfs-before-doing-anything-wrong.png  
      My Computer


  10. Posts : 7,063
    Windows 7 Home Premium 32 bit
       #40

    In your previous screenshot all the six partitions are unchecked. Four of them showing as boot say lost/deleted.

    When you put checkmarks on the the first two, do all those four boots turn to show as overlapped?(That would mean we are unable to get back to the original condition) If it is so and you are unable to put checkmarks on those four, then cancel the operation.

    Get on to PhotoRec .
      My Computer


 
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