Bootcamp Windows 10 inaccessible boot device

Stone44Play wrote:

partition=\Device\HarddiskVolume2 is a sperate partition with 200mb and include the first bcd i posted.

This is the EFI version.

the second bcd runs on partition 3 with the windows folder

This is the BIOS version, located on disk0s3

should i delete the 200 mb partition or mount the partition and remove the EFI folder?

If you remove the EFI folder, you will also cause issues with macOS. Is there a Microsoft directory in the EFI partition? This should be pointing to the EFI BCD. Keeping both BCDs is problematic. Your new EFI installation is further complicating the issue. You may be booting the EFI installation as the default now, instead of the BIOS installation.

Also, I suggest you backup all your important files.

You should have a BCD file in that directory. That should be your legacy BIOS BCD. Boot into Windows using an external installer and search for it using dir/s/p command and rebuild it.

See the description of the "/s" qualifier in https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/bcdboot-command-line-options-techref-di.

Boot into macOS and check if you have a /Volumes/BOOTCAMP/Boot folder.

Can you post the output of

diskutil list

from the macOS side?

Stone44Play wrote:

bcdedit

Windows Boot Manager

--------------------

identifier {bootmgr}

device partition=\Device\HarddiskVolume2

path \EFI\Microsoft\Boot\bootmgfw.efi

description Windows Boot Manager

locale en-us

inherit {globalsettings}

default {default}

resumeobject {e80587a2-a2e1-11eb-90b9-8cd797bd8242}

displayorder {default}

toolsdisplayorder {memdiag}

timeout 30

Windows Boot Loader

-------------------

identifier {default}

device partition=C:

path \Windows\system32\winload.efi

description Windows 10

locale en-us

inherit {bootloadersettings}

isolatedcontext Yes

allowedinmemorysettings 0x15000075

osdevice partition=C:

systemroot \Windows

resumeobject {e80587a2-a2e1-11eb-90b9-8cd797bd8242}

nx OptIn

bootmenupolicy Standard

--------------------------------------------------------------------------------------

This is the EFI BCD. This will cause issues.

C:\Boot>bcdedit /store c:\boot\bcd

Windows Boot Manager

--------------------

identifier {bootmgr}

device partition=C:

description Windows Boot Manager

locale en-us

inherit {globalsettings}

default {default}

resumeobject {369be5dc-a108-11eb-ba8f-7cd1c38b0475}

displayorder {default}

{72297638-6794-11eb-b68a-406c8f57d833}

toolsdisplayorder {memdiag}

timeout 30

Windows Boot Loader

-------------------

identifier {default}

device partition=C:

path \windows.office\system32\winload.exe

description Windows 10

locale en-us

inherit {bootloadersettings}

allowedinmemorysettings 0x15000075

osdevice partition=C:

systemroot \windows.office

resumeobject {369be5dc-a108-11eb-ba8f-7cd1c38b0475}

nx OptIn

bootmenupolicy Standard

Windows Boot Loader

-------------------

identifier {72297638-6794-11eb-b68a-406c8f57d833}

device unknown

path \WINDOWS\system32\winload.exe

description Windows 10

locale en-US

inherit {bootloadersettings}

allowedinmemorysettings 0x15000075

osdevice unknown

systemroot \WINDOWS

resumeobject {72297637-6794-11eb-b68a-406c8f57d833}

nx OptIn

bootmenupolicy Standard

This is the correct BCD for BIOS and uses winload.exe. Is you EFI installation using the same partition as your BIOS one?

If you have backups of macOS and Windows files, I suggest you wipe the internal disk, re-install macOS, and then use BC Assistant to install a BIOS Windows 7/8.1 and restore your files. If you start cloning/restoring partitions, it will cause further issues.

What is the year/model of your Mac (do not post the serial number)?

Can you post the contents of the BCD that you see? Without seeing what is in the BCD, I would not recommend changing it.

Was any partitioning information modified? Can you see Windows files in macOS Finder?

W7 (and W10) should be a legacy BIOS installation on a 2010 MBP on C:\Boot. Can you check?