To resolve this error, the EFI partition needs to be fixed. Follow the steps below:
- Mount the EFI partition using the command below:
mountvol b: /s
Make sure that the mounted partition is the correct one. When the disk is connected to a different machine, you may need to use diskpart to mount the EFI partition.If the mountvol command does not work, use the diskpart command. Below is an example:
diskpart
list disk
select disk # Note: select the target disk
list partition
select partition # Note: Select the EFI System partition.
assign letter=b
list volume
exitThe File System (Fs) may display RAW if the partition became corrupted. - Use chkdsk to fix the partition. Follow these steps:
- Make sure that chkdsk still detects the file system of the partition:
- Fix the partition using the command below:
Chkdsk /F b: - Unmount the partition by using this command:
mountvol b: /dIf the mountvol command does not work, use the diskpart command. Below is an example:
diskpart
remove letter=b
list volume
exit