Restoring Deleted EFI Partition on Windows 10

Restoring Deleted EFI Partition on Windows 10

1. Recreate Deleted EFI Partition

Step 1: First, you need to create a UEFI bootable USB to restart your computer. Mytour has a guide on various methods to create this. Refer to how to create a UEFI bootable USB with Rufus here

Step 2: Next, boot up your computer with the UEFI bootable USB you just created above.

Step 3: You press Shift + F10 on the Windows startup screen to launch the Command Prompt window.

Step 4: In this window, you execute each of the following commands and then press Enter.

diskpart

list disk

select disk N (N represents the disk containing the deleted EFI System partition)

list partitions

create EFI partition

format quickly fs=fat32

list partitions

list volumes (locate the volume letter associated with the installed Windows OS)

exit (terminate diskpart)

bcdboot C:windows (C indicates the volume letter of the installed Windows OS)

The Bcdboot C:windows command copies boot files from the Windows partition to the EFI system partition and creates the BCD store in the partition.

Step 5: If you encounter no errors during the above processes, proceed to shut down your computer.

Step 6: Next, remove the bootable USB from your computer and proceed to restart your computer.

Step 7: Check if you can access the EFI partition and verify if the restoration was successful.

2. Backup and Tidy Up Windows 10 Installations

Step 1: Similar to above, first you also install UEFI bootable USB . The download link is provided above.

Step 2: Next, plug in the USB device used for data backup into the computer and boot from the installation interface.

Step 3: In the Setup Menu, select Repair your computer.

Step 4: Then choose Troubleshoot ->Advanced ->Command Prompt .

Step 5: In the Command Prompt, enter notepad and press enter.

Step 6: Next, click on File ->Open to access the Explorer file.

Step 7: Your task now is to copy everything important in drive C to USB or an external hard drive.

Step 8: Once you've completed the backup, proceed to restart from the bootable USB and initiate a fresh installation of Windows 10.

So, above, I've guided you on how to restore the deleted EFI partition on Windows 10. Wishing you all success!