Hi,
Please make a full system image and follow the instructions below to re-create the EFI partition.
Boot the computer using a USB-stick into the
RE environment and open the command prompt.
1. Run the following commands.
2. Replace
0 with the actual number for the HDD/SSD where your Windows is installed.
Rich (BB code):
diskpart
list disk
select disk 0
list partition
3. Then run the following command and replace
1 with the actual number for the Windows OS partition.
4. The following commands will resize the Windows OS partition and create a new EFI partition.
Rich (BB code):
shrink desired=100
create partition efi size=100
format quick fs=fat32
assign letter=w
5. Run the following commands
Code:
list partition
list volume
6. Note the drive letter where the Windows OS is installed, which is displayed after running list volume.
7. Close diskpart with the following command
8. Run the following command: Replace
X with the volume letter of the Windows OS partition.
9. Now the BCDBoot copies the boot files from the Windows partition into the EFI System partition and re-create the BCD store in the same partition.
