Windows 10: My windows installation is not identified in bootrec /fixboot

Discus and support My windows installation is not identified in bootrec /fixboot in Windows 10 Installation and Upgrade to solve the problem; Hi I need to explain what exactly happened and what solutions I've tried First of all my windows 10 build 1909 was working just fine and was fully... Discussion in 'Windows 10 Installation and Upgrade' started by choofe, Apr 4, 2021.

  1. choofe Win User

    My windows installation is not identified in bootrec /fixboot


    Hi

    I need to explain what exactly happened and what solutions I've tried

    First of all my windows 10 build 1909 was working just fine and was fully updated. But windows update just constantly reminded me to update to 20H2 as support for my version soon will be ended I happened to understand that it gets support until 2022 or something. I just decided to do so. so I download update assistant for 20H2 and let it download the update.

    after it finished downloading as it said so. it restart to do the update. but it stucked at 0% for near an hour. I just reset the PC and let it go back to previous windows so I do the update later.

    in the startup it goes undoing changes made to the computer. after a 5-6 minutes it restarted and the same process happened. this goes on for like 6-7 times and it looked like a looped pointless chains of restarts.


    I decided to repair the windows to get back to my old version


    so I downloaded 20h2 iso image and made the bootable stick.


    I boot from this stick and went on to repair section.


    Running on legacy BIOS. No EUFI and efi. simple mbr.
    8 GB ram windows partition 78 gb on a 500GB HDD.

    MB P7P55.


    Now things that I observed:I have 3 separate HDD


    1. C: is a 100 MB partition labeled "system reserved" on disk 0 with some files on it. It is marked as active as detail in diskpart says.

    2. there is another 100 MB partition like the above but on the disk 1 it is marked active too but has letter D assigned

    3.My original windows installed partition letter changed to L and also is on disk 0 but is not active.

    4. In the RE and on choose another operating system I have 2 options : 1 windows rollback or something like this. and one Windows 10 Option. First Opt leads to the looped startups. The other just do some diagnosing system and goes on to RE and says couldn't resolve problem and provide similar RE options as stick boot.



    Things I've tried and failed.

    first of all I did chkdsk with repair option

    I marked the windows installed partition as active. but Nothing.

    I found out after restart this partition has letter C but cant boot.

    I fixed mbr with a 3rd party bootable app I used bootrec /fixmbr but no luck after POST with orig partition active I received 0xc000034 error saying something is missing boot\bcd.

    I used bootrec /fixmbr successfully


    used bootrec/fixboot and received "Access is denied"


    bootrec /scanos returns: 0 identified installed windows.

    bootrec /rebuildbcd also returns just like scan os and exits.

    Used bootsect to update the bootsectorI geuess like bootsect/nt60 c: /force as with no force option it says access denied

    I even use ALL option to update all bootsect on all drives.


    Even try to write a new.

    Used bcdedit to backup and rename the bcd. no luck either.

    bcdboot with any option returned "Failure when attempting to copy boot files".

    I think there is a problem with the partition and it is somehow LOCKED or something. because any attempt to manipulate the boot sector or boot record fails.

    Now Don't Tell me go for a clean install.

    no bad HDD no new hardware no nothing. JUST fooled by update assistant.

    :)
     
    choofe, Apr 4, 2021
    #1
  2. Blaq Win User

    Bootrec /fixboot → "Element not found"

    As posted above (images inline, this time):

    List volume

    My windows installation is not identified in bootrec /fixboot [​IMG]


    List disk

    My windows installation is not identified in bootrec /fixboot [​IMG]


    Select disk 1
    List partition

    My windows installation is not identified in bootrec /fixboot [​IMG]
     
    Blaq, Apr 4, 2021
    #2
  3. Bootrec /fixboot - Access Denied Error

    I am trying to repair Windows 10 on an Acer laptop.

    The USB windows repair boot disc wont repair it automatically so went to the Troubleshoot menu and the command line tools where your articles suggest I try the following commands.

    Bootrec /fixmbr, This seems to work.

    Bootrec /fixboot This come back with an "Access Denied" message

    Bootrec /rebuildbcd This finds the windows installation and asks to add to the boot list, which I say Yes and then it says it cannot find the path specified.

    Is there any chance of a fix to this issue. I note many users have a problem with doing this.
     
    BobBlundell1, Apr 4, 2021
    #3
  4. Ztruker Win User

    My windows installation is not identified in bootrec /fixboot

    Access denied on bootrec /fixboot

    These are the commands and how to run them. No reason you should get Access denied.
    Fix the MBR – Guide for Windows XP, Vista, 7, 8, 8.1, 10
     
    Ztruker, Apr 4, 2021
    #4
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My windows installation is not identified in bootrec /fixboot

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