Windows 10: Forgot to delete partitions during reinstalling windows

Discus and support Forgot to delete partitions during reinstalling windows in Windows 10 Installation and Upgrade to solve the problem; Hi, My pc was very slow and there were many glitches so I wanted to reset it. The reset menu said that it couldn't find the recovery environment so i... Discussion in 'Windows 10 Installation and Upgrade' started by PranjalAgarwal1, Sep 19, 2020.

  1. Forgot to delete partitions during reinstalling windows


    Hi,

    My pc was very slow and there were many glitches so I wanted to reset it. The reset menu said that it couldn't find the recovery environment so i used a usb.

    The problem is that i forgot to delete the partitions during the reinstall from usb.

    So do i need to again reinstall it after the reinstall of windows and do the needful??

    Its very urgent

    :)
     
    PranjalAgarwal1, Sep 19, 2020
    #1
  2. okidna Win User

    Delete my W10 Partition

    Do you want to safely delete your Windows 10 partition and use only Windows 7?

    If Yes, then boot to your Windows 7, run msconfig, go to "Boot" tab, you will see something like this :


    Forgot to delete partitions during reinstalling windows boot-png.png


    Choose "Windows 7" and click "Set as default", then choose "Windows 10" and click "Delete", restart if asked or necessary.
    Now the boot information for Windows 10 has been deleted and you can safely delete your Windows 10 partition (make sure no important files are on the Win10 partition). To delete and extend your partition you can use many partition manager tools.
     
    okidna, Sep 19, 2020
    #2
  3. W1zzard Win User
    W7 Hard drive partition issue

    to get rid of that 100 meg windows partition that setup creates for you on a new install on a blank hdd:

    - press shift+f10 when on the partition management screen in setup <-- this opens a command prompt
    - diskpart <-- start the windows command line partition management tool
    - list disk <--- list the installed hdds in this computer for the next step
    - select disk 0 <- might have to replace 0 with the number of the correct disk
    - clean <-- this will erase all data on the disk you selected one step up- dont use the wrong disk!
    - create partition primary <- creates a primary partition taking up all space on the drive, adjust the command if necessary
    - exit, exit to exit diskpart and the command prompt
    - click refresh in partition manager and select your newly created partition and install to that
     
    W1zzard, Sep 19, 2020
    #3
  4. Melvis Win User

    Forgot to delete partitions during reinstalling windows

    How to recover files off a HDD from a deleted partition? help!!!

    Thanks for your reply. I used my m8s program and it worked like a dream, recovered all the files and also deleted ones from yrs back, was amazed how well it did. Next step is i will use that Partition Table Doctor to recover the deleted partition. Thanks for the link *Toast :toast:
     
    Melvis, Sep 19, 2020
    #4
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Forgot to delete partitions during reinstalling windows

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