Method 2: Delete EFI Partition with EASEUS Partition Master Free.Įaseus Partition Master is a powerful disk management utility to create, delete, resize/move, merge, split, wipe or format partitions. Finally, open Windows Disk Management tool to initialize the cleaned disk and to create the required partitions. Type exit to close the DISKPART tool and then close the command window.ĥ. When the clean operation is completed, you should receive the following message on your screen: ' DiskPart succeeded in cleaning the disk'Ĥ. At this example, the EFI partition is located on Disk 1, so at this case the command is: select disk 1.ģ. * Note: Replace the '' with the number of the disk that contains the EFI partition.Į.g. Then give the following commands to delete the EFI partition (press Enter after typing each of them).

Right-click on the Start menu and from the pop-up menu, choose “ Command Prompt (Admin)”.Ģ.

Right -click to “ Command prompt” item and choose “ Run as administrator”.

Open an elevated command prompt by going to: To delete the EFI partition you can use two (2) different methods: Method 1: Delete EFI Partition with DISKPART tool.ġ. In this example the EFI partition belongs to Disk 1 In Disk Management window locate in which disk belongs the EFI partition that you cannot delete.

Press Windows key + R to open the run command box.Ģ.

Notice:Before you continue, unplug all other unneeded storage devices from your computer. Identify in which disk the EFI partition is located. How to Delete an EFI partition in Windows 10, 8.1, 8, 7 & Vista. This tutorial contains detailed instructions on how to delete an EFI partition on Windows 10, 8, 7 or Vista based computer. This happens because the EFI partition is a system partition which contains all the important information, (like the boot loader and the present device drivers) that is needed from the UEFI firmware at the boot time. The reason that you cannot delete an EFI partition on a Windows 10, 8, 7 or Vista based computer, is because the EFI partition is protected from deletion by the OS. But in some cases, it's impossible to delete a specific partition, like an EFI partition, by using the Disk Management tool, because the 'Delete Volume' option is grayed out. Disk Management tool is the most common way to delete partitions on a Windows OS.

Extend partition greyed out