MediaCreationTool21H2 causes mass storage device to lose data and lose

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  1. Posts : 26
    Windows 10
       #1

    MediaCreationTool21H2 causes mass storage device to lose data and lose


    today I plugged in a usb 32 gb storage device, and when I used media creation tool 21H2, it choose the wrong device, the D: Drive, which is a mass storage device. Even more strange, when it completed, it told me it needed to be formatted before use. What's even more strange that it now only hold 32 GB of data, and the mass storage of 4 TB is gone, wiped. I need to recover the important data on it, like it's there somewhere, just not being used. The entire Media Creation Tool is worthless anyway, my pc won't reboot with it, and I can't use system recovery or system restore due to a bug on my main Hard Drive.
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  2. dalchina's Avatar
    Posts : 34,239
    Win 10 Pro (1903) (2nd PC is 21H2)
       #2

    Hi, the media creation tool does just that- creates something- an iso file or a bootable disk.

    Is this what you saw when using it?
    Create Bootable USB Flash Drive to Install Windows 10
    Option 1

    Perhaps you didn't notice the prompts (around option 8), or chose the wrong option. No one has ever before said 'it's worthless'.

    Perhaps you used it hoping it would do something it simply doesn't?

    The tool itself does not help your PC to reboot.
    It creates a bootable medium e.g. a flash drive or DVD - and you then use THAT when booting your PC to install Windows or effect certain basic repairs- System Restore (offline), command prompt (offline), startup repair...

    I'm guessing what you've done is make your 'D:' drive a bootable Win 10 drive now- I wouldn't expect anything to be recoverable.
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  3. Posts : 26
    Windows 10
    Thread Starter
       #3

    So, how do I recover my files? And your saying I can't use it to create a windows Key to install windows with? Cause I can't system restore or system recover the normal way
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  4. dalchina's Avatar
    Posts : 34,239
    Win 10 Pro (1903) (2nd PC is 21H2)
       #4

    Thank you for your reply.


    Is this what you saw when using it?
    Create Bootable USB Flash Drive to Install Windows 10

    I would assume it does a quick format when creating it as a bootable medium.
    Only part of your drive will have been overwritten.

    Assuming your 4Gb drive is a HDD, you have a chance of using recovery software to scan your disk to see what may be recoverable. Given it's a big drive, that could be time consuming.

    You could start with Recuva (free) and see what you find.
    --------------------------------------------------------------
    And you're saying I can't use it to create a windows Key to install windows with?
    I made no comment on that.

    Win 10 can always be clean installed on appropriate hardware.

    As to your PC problems:
    a. Is it bootable?
    b. If it is, check the disk(s) using Hard Disk Sentinel.
    c. If not, get a live boot disk, boot PC from it, check disk(s) with Crystal Diskinfo (free) - probably on the live boot disk.
    d. When you say you can't run System Restore, again, do you mean when you're logged in? Or off-line from a command prompt?
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  5. Posts : 26
    Windows 10
    Thread Starter
       #5

    dalchina said:
    Hi, the media creation tool does just that- creates something- an iso file or a bootable disk.




    Is this what you saw when using it?
    Create Bootable USB Flash Drive to Install Windows 10
    Option 1

    Perhaps you didn't notice the prompts (around option 8), or chose the wrong option. No one has ever before said 'it's worthless'.

    Perhaps you used it hoping it would do something it simply doesn't?

    The tool itself does not help your PC to reboot.
    It creates a bootable medium e.g. a flash drive or DVD - and you then use THAT when booting your PC to install Windows or effect certain basic repairs- System Restore (offline), command prompt (offline), startup repair...

    I'm guessing what you've done is make your 'D:' drive a bootable Win 10 drive now- I wouldn't expect anything to be recoverable.
    Damn, that's too much. All my special files such as things people created for me, my dreams, my goals, my aspirations, my games, my mods, everything custom build was in that drive, and I had no means to create a backup.

    Whelp, I'm screwed, I would kill myself now, since 1) I don't watch movies or play my games anymore 2) all my hard work and dreams are gone. T_T. I have nothing to live for anymore. So I might as well DIE.

    - - - Updated - - -

    dalchina said:
    Thank you for your reply.


    Is this what you saw when using it?
    Create Bootable USB Flash Drive to Install Windows 10

    I would assume it does a quick format when creating it as a bootable medium.
    Only part of your drive will have been overwritten.

    Assuming your 4Gb drive is a HDD, you have a chance of using recovery software to scan your disk to see what may be recoverable. Given it's a big drive, that could be time consuming.

    You could start with Recuva (free) and see what you find.
    Ok, and how would I recover the files overwritten onto another drive? All my other drives are full atm, thus, I cannot recover them now. It's a 4TB HDD tho.
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  6. dalchina's Avatar
    Posts : 34,239
    Win 10 Pro (1903) (2nd PC is 21H2)
       #6

    Please read remainder of my post #4 added while you replied.

    Backing up is a vital and necessary thing to do. The consequence of not doing so becomes a painful lesson when things go wrong. I've seen people in tears...

    First scan your 4Tb drive with Recuva to see if anything is potentially recoverable.
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  7. Posts : 26
    Windows 10
    Thread Starter
       #7

    I've scanned, but it returned 1024 files, all on D:\ Drive. I realized it wasn't properly scanning the Entire Drive. So I partitioned at least 2000 GB of the drive, but now I can't partition the rest, it's locked out, and I cannot do anything other than delete the drive or reformat it in disk management. Recuva doesn't recognize the drive, as it's a RAW type. Now what do I do?

    - - - Updated - - -

    I've scanned, but it returned 1024 files, all on D:\ Drive. I realized it wasn't properly scanning the Entire Drive. So I partitioned at least 2000 GB of the drive, but now I can't partition the rest, it's locked out, and I cannot do anything other than delete the drive or reformat it in disk management. Recuva doesn't recognize the drive, as it's a RAW type. Now what do I do?

    - - - Updated - - -

    So, I tried some programs for professional data recovery, but they are paid programs (all of them) and want money to recover my lost drive info. And, what's worse, most of the files are not named, so I'll have to scour through each and rename them accordingly. Seeing that there was 4 TB of used data, that's a lot of files to rename! I might as well try, but I don't expect much results or to find all my missing files, there's also unrecoverable raw files that the program doesn't understand what it is.
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  8. dalchina's Avatar
    Posts : 34,239
    Win 10 Pro (1903) (2nd PC is 21H2)
       #8

    So I partitioned at least 2000 GB of the drive,
    The one thing you don't do is to write to or modify a drive from which you're trying to recover data.

    At this point if you've any chance at all to recover anything, maybe @jumanji has some ideas.

    Some people like Diskgenius, however again, recovery options are limited to small files (free version)
    https://www.diskgenius.com/editions.php

    Steller Data Recovery offers up to 1Gb (free)
    Best data recovery software of 2021: paid and free file recovery solutions | TechRadar

    Note that data recovery tools normally offer two scan modes- basic and deep.

    As for your external drive appearing as RAW- there are numerous threads on tenforums relating to that which may help. Look for solved cases.
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  9. Berton's Avatar
    Posts : 12,257
    Win10 Version 21H2 Pro and Home, Win11 Pro
       #9

    Didn't see mention of this but the MCT calls another page where the choices can be made. The USB drive choice will wipe the drive completely and has a Windows formatting limit of FAT32 and which has a limit of 32GB in size, required for making bootable. I once made that mistake with a 64GB drive and got a single partition of 32GB, remainder was inaccessible by Windows even in Disk Management.
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  10. MaloK's Avatar
    Posts : 1,438
    Windows 7 Pro
       #10

    Hi,

    You need a "Solid" partition recovery program and a qualified technician in data recovery.

    If Partition recovery fails. there are also File recovery software that can be used to recover files.

    At the moment if you have not performed any other partitioning or repair options on the drive an left it as "is" after the accident.

    This is still reversible / recoverable.
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