I could not show the procedure from scratch because I had already followed these steps.



Partition IDs can be found here : [ Ссылка ]


Run cmd as administrator
type diskpart, then press enter
select disk 0
select partition 2 (or whichever one you recognise as your EFI Partition)
set id=c12a7328-f81f-11d2-ba4b-00a0c93ec93b
exit
exit



Then boot to recovery command prompt using a windows 10 installation USB.
From there run these commands:


bootrec /fixmbr
bootrec /fixboot (Don't worry if this command throws an error)
bootrec /rebuildbcd


Don't worry if the second command throws an error.


These methods did not work for me, but may work for you if this video did not help:- [ Ссылка ]

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