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Windows 10 download tool for usb flash installationd deleted my backup external 1tb WD hdd !!! Please help !!!

Hey everyone, I need help quite desperately !
*Yes this is a long post, cuz I'm quite stressfull and need help, please bear with me!*

My new ssd arrived and I was eager for a clean windows 10 installation on it. I was looking for a usb flash to create the windows installation, but couldn't find mine. Eventually I took my WD external 1TB hdd, which is used for years of years of back up, my entire's family back up on it. The Windows 10 setup tool said it needs at least 4GB to create a flash installation, so I created a 10GB partition on my 1TB external back up hdd.
The partitioning worked fine and I had all my back up in one partition and another 10GB partition which I was planning on creating the Windows 10 usb flash installation.
After the installation was created, I found out that my 10GB partition turned into a 31.9GB parition with the windows 10 setup files on it and my other backup partition was gone ! Now I have 899GB of unallocated space on that partition.

I have to to note that before I created the 10GB parition I had 120GB free space out of 930GB, and after I install to install Windows 10 flash usb installation on the 10GB parititon my entire hard disk turned into one parititon with 31.9GB of windows 10 installation files and the 899GB of just unallocated space. I have on the drive tons and tons of photos and back up files which are the most important, and I believe that they are probably 50GB of real backup. The rest is just back ups of games and videos which I don't care for. But if I lose any photos my family will literally kill me.

Is there any hope to recover the files or at least view the hard disk in the same original tree structure it was? I just now download EaseUS recovery and it's finding me files but they are categorized by photos/videos etc... and it will be a pain to recovery without seeing the original folders names.

Thank you so much guys , any help apprecaited !!!
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  1. Massivex said:
    Hey everyone, I need help quite desperately !
    *Yes this is a long post, cuz I'm quite stressfull and need help, please bear with me!*

    My new ssd arrived and I was eager for a clean windows 10 installation on it. I was looking for a usb flash to create the windows installation, but couldn't find mine. Eventually I took my WD external 1TB hdd, which is used for years of years of back up, my entire's family back up on it. The Windows 10 setup tool said it needs at least 4GB to create a flash installation, so I created a 10GB partition on my 1TB external back up hdd.
    The partitioning worked fine and I had all my back up in one partition and another 10GB partition which I was planning on creating the Windows 10 usb flash installation.
    After the installation was created, I found out that my 10GB partition turned into a 31.9GB parition with the windows 10 setup files on it and my other backup partition was gone ! Now I have 899GB of unallocated space on that partition.

    I have to to note that before I created the 10GB parition I had 120GB free space out of 930GB, and after I install to install Windows 10 flash usb installation on the 10GB parititon my entire hard disk turned into one parititon with 31.9GB of windows 10 installation files and the 899GB of just unallocated space. I have on the drive tons and tons of photos and back up files which are the most important, and I believe that they are probably 50GB of real backup. The rest is just back ups of games and videos which I don't care for. But if I lose any photos my family will literally kill me.

    Is there any hope to recover the files or at least view the hard disk in the same original tree structure it was? I just now download EaseUS recovery and it's finding me files but they are categorized by photos/videos etc... and it will be a pain to recovery without seeing the original folders names.

    Thank you so much guys , any help apprecaited !!!


    If it says there is 900GB of unallocated space, it means all your files are gone. Sorry dude.
    You should get a NAS to backup all your data next time.
  2. Yes, run GetDataBack Simple and let it scan the hard drive. If it finds your stuff you can pay I think $80 to get it back.

    By the way, storing your data on an external drive is not a backup if it is nowhere else. I hope you can recover everything but I suggest you get a good backup strategy in place after this so this doesn't happen again.
  3. No. Some of your files will still be there.

    I've done this before as well.

    Get a free file restore tool and you'll be able to get back most of your files. You will need another 1 TB drive to do so. Until then, do not use the drive.

    http://www.easeus.com/
  4. The MediaCreation tool specifically says that it will wipe out anything on that drive. What you do with the partitions beforehand makes no difference.

    You might be able to get some/most of it back. But you WILL need a whole different drive to recover it to.
    As above, EaseUS. Or try TestDisk
  5. yeah that's why I'm surprised he did it.

    Accidents happen, I did the same thing once
  6. BadAsAl said:
    Yes, run GetDataBack Simple and let it scan the hard drive. If it finds your stuff you can pay I think $80 to get it back.

    By the way, storing your data on an external drive is not a backup if it is nowhere else. I hope you can recover everything but I suggest you get a good backup strategy in place after this so this doesn't happen again.


    Thanks you. I'll check GetDataBack that you recommended. I'll do a real back up next time, took my "backup" for granted.


    HDD-Mod said:
    No. Some of your files will still be there.

    I've done this before as well.

    Get a free file restore tool and you'll be able to get back most of your files. You will need another 1 TB drive to do so. Until then, do not use the drive.

    http://www.easeus.com/


    Thanks a lot. Yes I'm not using the drive at all, only scanning it using recovery programs. I imagine most of my files will still
    be there as the actual Windows 10 files are 28GB in size and the size of the partition it created me is 32GB. Basically I should be able to recover just about any file that the Windows 10 files did not hopefully overwrite if at all?

    I do have another 1TB luckily... Appreciate the program recommendations. The most important thing to me would be to actually be able to retrieve files within their original folder names and just scattered files.


    USAFRet said:
    The MediaCreation tool specifically says that it will wipe out anything on that drive. What you do with the partitions beforehand makes no difference.

    You might be able to get some/most of it back. But you WILL need a whole different drive to recover it to.
    As above, EaseUS. Or try TestDisk


    Gosh, yes I know, I ran the installer again and saw these writings and I'm knocking myself in the head. It was like 2-3am and I was so eager to install Windows 10 on my brand new Samsung 850 Evo 500GB and I was getting really frustrated after I couldn't find my flash drive and by the time I got to install it on my external WD hdd I guess I just missed the writing, or maybe I noticed it and thought it would only apply to the partition, urgh too late now anyway :/

    Thanks for your software recommendations!


    So... bottom line, I think I'll try EaseUS to run fully? Will probably take 8+ hours...
  7. Best answer
    We've all had that "2 AM moment".

    Take this as an advisory to:
    1. Read and heed what it is telling you. This goes for any software install.
    and
    2. Have a backup of your critical files. Currently, you are one head crash or dropped external drive away from losing it all anyway.
  8. USAFRet said:
    We've all had that "2 AM moment".

    Take this as an advisory to:
    1. Read and heed what it is telling you. This goes for any software install.
    and
    2. Have a backup of your critical files. Currently, you are one head crash or dropped external drive away from losing it all anyway.


    I will definite have a real backup system setup for next time. I'm running a scan now, which will take apparently over 11 hours. So I'll see tomorrow what I can recover. I did a brief scan previously with EaseUS and a lot of files showed up so I'm quite optimistic I'll be able to recover the majority.
    Thanks for your help.
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