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  1.    10 Aug 2016 #1
    Join Date : Aug 2016
    Posts : 10
    windows 8

    External Hard drive formatted / deleted while installing windows 10


    Hello there,
    I had windows 10 backup on my 1TB WD external hard drive. My 1TB external hard drive was also having all my important files along with pictures and videos. I was using following the step given in this video : How to Install Windows 10 from a USB Flash Drive - YouTube.
    After reboot, all my data/files/pics/videos on 1TB got deleted/formatted. When I plug in this hard drive again, it is showing only FAT 32 GB storage instead of showing 1TB. I went to manage and disk management, it is showing below info, which is showing 899.48 GB unallocated.
    Can someone please help me how to get back all my deleted/formatted data/files/ics/videos ???
    Thanks
    Attached Thumbnails Attached Thumbnails Capture.JPG  
      My ComputerSystem Spec
  2.    10 Aug 2016 #2
    Join Date : Sep 2015
    Posts : 13
    Windows 10 64-bit Home Premium

    Have you tried checking your primary drive for the windows.old folder? Assuming you chose either the "Keep my files" or the"Remove Everything" options instead of the "Restore Factory Settings" entry, then all of your old files should be stored there.
      My ComputerSystem Spec
  3.    11 Aug 2016 #3
    Join Date : Aug 2015
    Colorado
    Posts : 48
    Windows 10

    I did that once by mistake with Windows 7. Turns out when I chose to do a clean install I selected the wrong Disk/Partition and Windows erased the drive. Of course, it warned me first that the action would be one way.

    I realized a few minutes later when the Partition size that was being used was the wrong size. Lesson learned. Of course, I had backups so no loss. Same for you right? You had backups?

    Click image for larger version. 

Name:	tony5.gif 
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ID:	95432
      My ComputerSystem Spec
  4.    11 Aug 2016 #4
    Join Date : Oct 2013
    Penns Forrest
    Posts : 3,506
    Win_8.1-Pro, Win_10.1607-Pro, Mint_17.3

    Try Minitool Partition Wizard Free to recover the partition(s) on the ext drive
    Tutorial: Partition Recovery
      My ComputerSystem Spec
  5.    11 Aug 2016 #5
    Join Date : Jul 2015
    Posts : 9,141
    Windows 10 Pro

    It appears that what happened was that when you ran the media creation tool to create the Windows 10 USB "flash drive" you selected the external hard drive and Media Creation Tool set up the install media on it - which means it gets reformatted to a 32 GB FAT32 partition. I just tried it, but did not click next. Here is my external USB hard drive connected as Disk 3:

    Click image for larger version. 

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ID:	95454

    Here is Media Creation Tool on the screen where I would click next to do what you apparently did to your external hard drive:

    Click image for larger version. 

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ID:	95455

    If I clicked next - I would expect that what the screen says would happen would be what would actually happen. H: drive - a partition on the external hard drive - "The files on your USB drive will be deleted. To keep these files, back them up now to another save location." Apparently the Media Creation Tool isn't smart enough to tell the difference between an external hard drive and a flash drive connected to the USB port.

    You can try a partition recovery program, but if the files that were erased were that important you might want to take that drive to a professional company that recovers data.
      My ComputerSystem Spec
  6.    11 Aug 2016 #6
    Join Date : Aug 2016
    Posts : 10
    windows 8
    Thread Starter

    I did selected remove everything and lost all data after restore factory setting.

    Quote Originally Posted by Arcturus Fyr View Post
    Have you tried checking your primary drive for the windows.old folder? Assuming you chose either the "Keep my files" or the"Remove Everything" options instead of the "Restore Factory Settings" entry, then all of your old files should be stored there.
      My ComputerSystem Spec
  7.    11 Aug 2016 #7
    Join Date : Aug 2016
    Posts : 10
    windows 8
    Thread Starter

    You are right, program did not realize that it was my external hard drive and it did ask me to delete/format drive. It was my mistake I selected to delete/format and lost everything. But do you HAVE ANY IDEA by chance if I can get those files in unallocated space which is showing now ??


    Quote Originally Posted by NavyLCDR View Post
    It appears that what happened was that when you ran the media creation tool to create the Windows 10 USB "flash drive" you selected the external hard drive and Media Creation Tool set up the install media on it - which means it gets reformatted to a 32 GB FAT32 partition. I just tried it, but did not click next. Here is my external USB hard drive connected as Disk 3:

    Click image for larger version. 

Name:	Capture.JPG 
Views:	3 
Size:	109.1 KB 
ID:	95454

    Here is Media Creation Tool on the screen where I would click next to do what you apparently did to your external hard drive:

    Click image for larger version. 

Name:	Capture1.JPG 
Views:	29 
Size:	34.7 KB 
ID:	95455

    If I clicked next - I would expect that what the screen says would happen would be what would actually happen. H: drive - a partition on the external hard drive - "The files on your USB drive will be deleted. To keep these files, back them up now to another save location." Apparently the Media Creation Tool isn't smart enough to tell the difference between an external hard drive and a flash drive connected to the USB port.

    You can try a partition recovery program, but if the files that were erased were that important you might want to take that drive to a professional company that recovers data.
      My ComputerSystem Spec
  8.    11 Aug 2016 #8
    Join Date : Aug 2016
    Posts : 10
    windows 8
    Thread Starter

    No backups, 1TB was my back ups and its all gone.


    Quote Originally Posted by hiphopper View Post
    I did that once by mistake with Windows 7. Turns out when I chose to do a clean install I selected the wrong Disk/Partition and Windows erased the drive. Of course, it warned me first that the action would be one way.

    I realized a few minutes later when the Partition size that was being used was the wrong size. Lesson learned. Of course, I had backups so no loss. Same for you right? You had backups?

    Click image for larger version. 

Name:	tony5.gif 
Views:	113 
Size:	940.8 KB 
ID:	95432
      My ComputerSystem Spec
  9.    11 Aug 2016 #9
    Join Date : Mar 2015
    Philadelphia
    Posts : 1,171
    Windows 10 Pro x64

    For future reference, backup drives usually aren't connected 24x7 and are most definitely not connected when doing any major to the system.

    As for your data, you skipped the answer in post #4 on how to get it back.
      My ComputerSystem Spec
  10.    11 Aug 2016 #10
    Join Date : Aug 2016
    Posts : 10
    windows 8
    Thread Starter

    What you say is for getting partition recovery for unallocated size of hard disk. But how it will work after partition ?
    Because after partition, unallocated will become new volume and will I be able to get lost files from that new volume ??


    Quote Originally Posted by Slartybart View Post
    Try Minitool Partition Wizard Free to recover the partition(s) on the ext drive
    Tutorial: Partition Recovery
      My ComputerSystem Spec

 
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