Data lost on my backup drive -Minitool disk recovery

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  1. Posts : 1,806
    Windows 10 Pro 21H1 19043.1348
       #11

    ignatzatsonic said:
    Given that......I'd deliberately avoid "data recovery" for the time being.

    Concentrate on "partition recovery".

    If the partition is recoverable, the data should be there and intact.

    Member Jumanji is the local guru on that stuff.

    Maybe he will see this thread.
    @jumanji will definitely see this although I have no idea of his availability.
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  2. Posts : 9,893
    Windows 10 Home 64bit Version 21H2
       #12

    meebers said:
    Lost ~ 1 TB of data on a 2TB drive. Tried mini tool partition wizard, 12.3 (free) and it "seems" to scan the disk. Disk Recovery runs for several hours and then crashes. It does show ~ 7-8k files it found. Information on their site says that only Pro has that capability, yet Free seems to do something?

    Question is: Anybody tried Mini Tool Partition Wizard Pro and had success? Don't want to do a $130 experiment and find out it does not work. Tx for any info
    Hi @meebers,

    Just switched on my PC this morning and I know you will perhaps be sleeping. That gives me sometime and I have some bank work also which may take quite sometime.

    Anyway to start with:

    1. There is no need to be in a hurry and do not try any data recovery blindly.
    2. Only if a partition is lost we shall try Partition recovery. So we must first ascertain if indeed partitions are lost.
    3. Partition Wizard 12.3 Free will not recover partitions unless you pay for it. But it can scan and find the lost partitions.Upto that it is free
    4. Your "data lost drive": Is it an internal or external drive?
    5. Post a screenshot of Windows Disk Management as per the guidelines here. How to Post a Screenshot of Disk Management

    6. Run PW12.3 and post a screenshot of how the drives look in it. ( the very first screen when you launch it.)

    7. Run Partition Recovery Wizard, run a quick scan,When quick scan finishes you will get a popup Window showing all the found partitions - existing as well as lost/deleted. Take a screenshot and post. Cancel and close PW. We will just be ascertaining whether indeed partitions are lost (As I said even if it finds lost partitions, it will not recover it)

    8. After I examine the screenshots , we shall make an appropriate decision on how to proceed further.
    Last edited by jumanji; 14 Mar 2021 at 23:49.
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  3. Posts : 1,806
    Windows 10 Pro 21H1 19043.1348
       #13

    Good morning jumanji and thanks for the quick response.
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  4. Posts : 1,384
    W10 21H2 19044.1387
    Thread Starter
       #14

    jumanji said:
    Hi @meebers,

    Just switched on my PC this morning and I know you will perhaps be sleeping. That gives me sometime and I have some bank work also which may take quite sometime.

    Anyway to start with:

    1. There is no need to be in a hurry and do not try any data recovery blindly.
    2. Only if a partition is lost we shall try Partition recovery. So we must first ascertain if indeed partitions are lost.
    3. Partition Wizard 12.3 Free will not recover partitions unless you pay for it. But it can scan and find the lost partitions.Upto that it is free
    4. Your "data lost drive": Is it an internal or external drive?
    5. Post a screenshot of Windows Disk Management as per the guidelines here. How to Post a Screenshot of Disk Management

    6. Run PW12.3 and post a screenshot of how the drives look in it. ( the very first screen when you launch it.)

    7. Run Partition Recovery Wizard, run a quick scan,When quick scan finishes you will get a popup Window showing all the found partitions - existing as well as lost/deleted. Take a screenshot and post. Cancel and close PW. We will just be ascertaining whether indeed partitions are lost (As I said even if it finds lost partitions, it will not recover it)

    8. After I examine the screenshots , we shall make an appropriate decision on how to proceed further.
    jumanji! Really appreciate your time in helping me with this. G: is an internal drive WD20EZRZ
    Attached Thumbnails Attached Thumbnails Data lost on my backup drive -Minitool disk recovery-pw-1.jpg   Data lost on my backup drive -Minitool disk recovery-pw-2.jpg   Data lost on my backup drive -Minitool disk recovery-pw-3.jpg  
    Last edited by meebers; 15 Mar 2021 at 18:44.
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  5. Posts : 9,893
    Windows 10 Home 64bit Version 21H2
       #15

    Both Windows Disk Management and Partition Wizard show the correct file system

    WDM shows free space 1862,81 GB 100% ( actually used 0.21GB)
    PW shows Used space 158.7 MB Again almost 100% free space. Partition recovery Wizard shows Partition is existing. So the immediate conclusion is there is no data seen. That is strange. Is the MFT corrupted?

    Run Partition recovery Wizard again. You have put a tick mark in the square. Now double click on the selected partition.

    Data lost on my backup drive -Minitool disk recovery-15-03-2021-21-08-11.jpg

    A pop window will show the folders present. Post a screenshot just for record. (probably it will show only the System Volume Information folder.) Close that Window >Cancel and close PW. Nothing more to do with PW.

    I shall have dinner and return. . By that time if you can post the screenshot we shall continue further.
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  6. Posts : 1,384
    W10 21H2 19044.1387
    Thread Starter
       #16

    I thought about double clicking that initially, , but referenced your instruction and it did not say so. Now that you told me to do it, I did and expanded all the items that I could.
    Attached Thumbnails Attached Thumbnails Data lost on my backup drive -Minitool disk recovery-pw-4.jpg  
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  7. Posts : 9,893
    Windows 10 Home 64bit Version 21H2
       #17

    OK. Fine. As expected it shows only System Volume Information and $Recycle Bin and no data.

    And you have only one partition with no data in it. If indeed you had two partitions, it looks like those two partitions were deleted, a single partition created and formatted. If it was a quick format you can still try to recover the data with PhotoRec. If a full format was done, all data would have been wiped.

    When one initialises a drive as GPT and creates partitions, the partition tables are written into Sector 2 which can accomodate 4 partition tables.. A back up of this sector 2 is written at sector n-33 where n is the total number of sectors in the disk. GPT is a most secure partitioning system. If the partition tables in sector 2 get corrupted, it would automatically read the backup and give access to that partition. The user wouldn't even know that the partition tables in sector 2 got corrupted.

    Albeit, we followed the text book and ran Partition Recovery Wizard , which returned a single existing partition starting at sector 2048 and ending at sector 3907028991 which is a full 2TB disk.

    You can again follow the text book which says if quick scan does not find the partitions you think are present, run a full scan. So instead of a quick scan run a full scan and check whether it shows any lost partition. If it does not find any lost partition, then on to Data Recovery with PhotoRec
    PhotoRec - CGSecurity

    Guide to using PhotoRec recovery software. - Windows 7 Help Forums

    Feel free to post any queries and keep us posted. I have always learnt much reading user experiences which I use further in the data recovery projects.

    Note: If you are inquisitive, you can explore the disk with Bootice to check sector 2 and the number of partitions present in the disk.
    Download bootice Download Bootice 1.3.4.0

    How to use bootice Lost partitions! Solved - Windows 7 Help Forums

    Screenshot of sector 2 of my 500GB GPT Trial disk with 2 partitions:

    Data lost on my backup drive -Minitool disk recovery-16-03-2021-09-02-03.jpg

    The next 31 sectors are also reserved for Partition tables. So in-all a GPT drive can have 32 sectors x 4 partition tables per sector = 128 partitions.
    Last edited by jumanji; 16 Mar 2021 at 04:30.
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  8. Posts : 1,384
    W10 21H2 19044.1387
    Thread Starter
       #18

    jumanji

    Thank you again for your wisdom. I am doing the full partition scan at the moment, looks like it will take some time. I did not do any formatting as I knew that would lessen the chances of recovery. The only thing I did was change the drive letter from N: (don't know how that happened" back to G:. In the mean time, tried the Data Recovery from MTPW and after 10 hours, it "found" a lot of files ~8k worth, some .jpg files were visible and some were not. As expected MTPW would not allow any recovery unless I bought the Pro edition. Tx MikeG

    UPDATE: I noticed that while doing the "FULL" vrs "QUICK" scan, it shows other partitions now even thought 4 out of 5 show the status as Lost/Deleted?
    Attached Thumbnails Attached Thumbnails Data lost on my backup drive -Minitool disk recovery-pw-6.jpg  
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  9. Posts : 1,620
    Windows 10 Home
       #19

    Some over in sevenforums and in here have a URL giving the free version that will recover partition[s] and/or file[s]. I think the file name you want is: MiniToolPowerDataRecovery650[LastFree] -- it is the last free version with the power to get the job done without paying anything.

    rjsNote: I was wrong mentioning 6.5, the best one to use is 9.1 :)
    Last edited by RolandJS; 17 Mar 2021 at 18:08.
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  10. Posts : 2,487
    Windows 10 Home, 64-bit
       #20

    I think MTPW version 9.1.0.0 is the last free version that will recover partitions. I think it is 6 or 7 years old.

    That's according to the notes I have made.

    I have 9.1.0.0 here, but have never installed it.......instead, I'm using a much newer portable version because I haven't yet needed to recover a partition.

    Supposedly available here, although I have no idea if this source is safe:

    minitool partition wizard Software files list - Download minitool partition wizard
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