Windows 10: How to transfer boot manager from partition to the main disk/m.2?

Discus and support How to transfer boot manager from partition to the main disk/m.2? in Windows 10 Installation and Upgrade to solve the problem; How to transfer bootmgr from partition second Hard Disk Drive to M.2 where my OS installed? when im trying to disconnect this drive my OS wont boot... Discussion in 'Windows 10 Installation and Upgrade' started by Shienty Lee, Jul 10, 2023.

  1. How to transfer boot manager from partition to the main disk/m.2?


    How to transfer bootmgr from partition second Hard Disk Drive to M.2 where my OS installed? when im trying to disconnect this drive my OS wont boot because of this. MY OS is Windows 10.

    :)
     
    Shienty Lee, Jul 10, 2023
    #1

  2. Disk management console view is not up-to-date

    i dont know how to fix your disk management, but i can fix your partition problems...




    open up Command Prompt with admin rights. (Right click, run as admin)


    enter in
    DISKPART
    list disk

    then find the Disk number for your Raid array... lets call it number 7 ( you can tell what disk is what by the total size)
    type in

    Select Disk 7
    List Partition (will give you a list of all the partitions..)
    Select Partition 1 (im assuming you only have 1 partition on Disk 7) repeat this step if you have more partitions.
    ASSIGN


    that should get the array up and running ready to use.


    EDITED.

    any problems, post back ^^


    Still EDITING *Stick Out Tongue How to transfer boot manager from partition to the main disk/m.2? :p

    side question, have you tried restarting the PC?
     
    slyfox2151, Jul 10, 2023
    #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, Jul 10, 2023
    #3
  4. How to transfer boot manager from partition to the main disk/m.2?

    Disk Management

    Hi Keith,

    Thanks for providing the detail that was requested previously. Since the disk management screen that you saw is showing greyed out options, we suggest that you follow the steps below to change the partition type of your internal drive:

    • Open Disk Management then right click the partition on the disk you want to covert and select Delete Volume.
    • Once you complete the process you will see the whole disk shown as two separate unallocated spaces. Right-click the disk and select Convert to GPT disk.

    After the conversion, you will be able to use the whole disk and then you can create new separate partitions.

    We look forward to your response to our queries.
     
    Jordan Dom, Jul 10, 2023
    #4
Thema:

How to transfer boot manager from partition to the main disk/m.2?

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