bootmgr is missing when trying to boot from a SATA HDD


  1. Posts : 11
    Windows 10
       #1

    bootmgr is missing when trying to boot from a SATA HDD


    So hello guys, I had this other computer that had a SATA HDD with windows 10 on it. Then I bought a computer with an nvme m.2 and installed windows on that, now I can't boot into my previous windows 10 that is on the SATA HDD. At first i had the problem "insert boot media disk", fixed that but then I got into bootmgr is missing and I can't get past that with bootrec /fixboot because i get access is denied and to fix that I found some commands that i think will delete my partition, which i don't want.

    Help.
      My Computer


  2. Posts : 11
    Windows 10
    Thread Starter
       #2

    Bancai said:
    So hello guys, I had this other computer that had a SATA HDD with windows 10 on it. Then I bought a computer with an nvme m.2 and installed windows on that, now I can't boot into my previous windows 10 that is on the SATA HDD. At first i had the problem "insert boot media disk", fixed that but then I got into bootmgr is missing and I can't get past that with bootrec /fixboot because i get access is denied and to fix that I found some commands that i think will delete my partition, which i don't want.

    Help.
    Solved it:
    1. disconnected the m.2 nvme ssd from the motherboard
    2. Went into the recovery command prompt
    3. Typed diskpart
    4. Typed bootrec /fixmbr , bootrec /fixboot , bootrec /scanos , bootrec /rebuildbcd . Last didn't work so onto number 5
    5. Type exit
    6. Type bcdboot.exe c:\windows /s C:
    7. Restart computer and waited for windows to do its thing - took around 2 min and then it restarted by itself followed by some 5 more mintues of waiting for windows to prepare windows files time in which i thought i ****ed up and my windows partition or at least the main profile would be erased...but no, i was greeted with my original account so all good.
      My Computer


 

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