Deleting Protected EFI Disk Partitions


Windows is unable to remove a particular partition on a hard drive. 


  • Windows 7+


Some OEMs will write protect certain partitions on their hard drives. In most cases, it is a EFI disk partition that may hold information such as the recovery partition.


This will erase all contents of the hard drive. This action cannot be undone. Please proceed with caution.
  1. Run Command Prompt as Administrator.
  2. Type diskpart and press enter.
  3. Type list disk and press enter.
  4. Found the appropriate disk and type select disk [number] (without the brackets) and press enter.
  5. Type clean and press enter.
  6. The drive will now wipe and delete all partitions.
     Note: This will remove all data from the drive.
  7. Open Disk Management. The drive should automatically ask to be initialized. If not, right click the particular disk and click Online.
  8. Initialize the disk as a MBR (Master Boot Record).
  9. Create a new Simple Volume by using a quick format.


Article ID: 1905
Fri 11/20/15 8:14 AM
Thu 3/4/21 12:31 PM