how to delete partition on mac external drives

From the list, identify the ‘#’ associated with your USB drive.

Then type ‘list disk’ to list all the disks available in your system.In the command prompt, type ‘diskpart’.Click on Windows + X keys and select Command Prompt (Admin) from the list.To use ‘diskpart’ and delete EFI partition, follow the steps below.

In order to resolve this problem, you can use a tool called ‘diskpart’ that is available through Command Prompt. When you try to open Disk Management, you may notice that delete volume, extend or shrink volume options are all grayed out, hence disabling you from manipulating the EFI partition. How to delete an EFI partition on a USB drive?Īlthough Disk Management can be used to manage partitions, it doesn’t let you remove the EFI partition directly. It requires you to use the command prompt, so let us learn how to do so in this article. But to delete the EFI partition is not very straightforward. Hence, you may want to delete it to free up space and use the entire USB for storage. Now if you no longer want to use that USB as a boot device, EFI partition is not required. This partition contains boot loaders, some device driver files, utility programs and data files such as error logs. If you have used your USB as a bootable device, it is likely to have a partition called EFI partition.

How to delete partition on mac external drives