Windows 10: Help with boot loader, deleted boot partitions.

Discus and support Help with boot loader, deleted boot partitions. in Windows 10 Installation and Upgrade to solve the problem; The other day i deleted my EFI partition along with one other, the reason for this is because i was trying to get a Ubuntu dual boot to work. Before... Discussion in 'Windows 10 Installation and Upgrade' started by DeathStrider, Sep 11, 2016.

  1. Help with boot loader, deleted boot partitions.


    The other day i deleted my EFI partition along with one other, the reason for this is because i was trying to get a Ubuntu dual boot to work. Before doing this i knew i was going to brick my windows installation. But now i really need to get my windows partition back up and running because i need to access some very important files. You might be thinking at this point 'oh that is stupid why would you do that?' and i will say because i thought i would be able to fix it relatively easily, obviously that is not the case.

    some other side notes:

    The only partition that remains is the windows partition that contains the operating system and files.

    I appreciate any help you may be able to give.

    :)
     
    DeathStrider, Sep 11, 2016
    #1

  2. Dual boot with Ubuntu

    Are you booting from a Grub loader or from the win loader? It will not delete the Ubuntu partition or data but you may have to re-install the loader if it is Grub/Ubuntu
     
    ZigZag3143 (MS -MVP), Sep 11, 2016
    #2
  3. We can't tell if your PC has enough space to continue installing Windows 10

    When trying to upgrade my windows 7 pro x64 I had the same issue. I tried a lot of things but what finally worked was to remove my Linux partition I rarely boot to. After deleting my Linux partitions I replaced the grub2 boot loader with the default windows
    boot loader (bootrec /fixmbr, bootrec /fixboot). After that the upgrade started and finished.
     
    GiantSpaceNinja, Sep 11, 2016
    #3
  4. Kbird Win User

    Help with boot loader, deleted boot partitions.

    Are the partitions gone or Just erased ? and now unallocated space? or did you just overwrite the Windows Boot loader ?

    Need alot more details , I think before too many could help you...

    Startup reapir for win10 USB?

    If it won't boot try a MiniToolPartition Wizard Boot Disk (make on another PC) and see if it can find your Partitions and recover them.

    No point really guessing anymore ....you get the idea...

    I don't know Ubuntu so can't really help as I don't know what you were doing or how far you got with that....


    KB
     
    Kbird, Sep 11, 2016
    #4
  5. Saltgrass Win User
    You have to be careful with some third party partition managers and a UEFI install since they may not do UEFI..

    Replacing the partitions is easy if you have a way to boot into a command prompt, such as a Recovery Drive or Install Media, as Kbird mentions..

    We will need to know the exact situation of your system and you can get that as well as replace the partitions using Diskpart.

    Ubuntu will install fine and even use Secure Boot if installed as UEFI. But getting a Boot menu is not that easy and would require Grub. I like to leave them as individual installs and select which one to boot from a Boot Device Menu during boot.
     
    Saltgrass, Sep 11, 2016
    #5
  6. cereberus Win User
    On another pc, install Macrium Reflect Free, and create a Macrium Rescue usb drive or dvd.

    Boot from it, select Restore Tab, and click "fix windows boot problems".

    it should list Windows 10, and if so, click next, finish.

    With luck pc will now reboot.
     
    cereberus, Apr 4, 2018
    #6
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Help with boot loader, deleted boot partitions.

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