James Hogan

How to delete EFI partition in Windows 11 2022 Tip

This tutorial is about how to delete EFI partition in Windows 11. We will do our best for you to understand this guide. I hope you like this blog, How to delete EFI partition in Windows 11. If your answer is yes, please share it after reading this.

table of contents

Check How to Delete EFI Partition in Windows 11

ESP collaborates with the bootloader to provide a positive user experience during system startup. In addition, it can be restored using third-party software, which saves users time and resources. Most users are not aware of the benefits of EFI and how to expand or delete these partitions without affecting operating systems. We’ve answered some frequently asked questions from users to help you better understand this technology.

What is an EFI System Partition (ESP)?

An EFI partition, also known as an EFI system partition, short for ESP, is created automatically when you successfully install Windows on a GPT disk on your computer. It takes about 100M or 200MB or so without a drive letter. Typically, you might see more EFI system partitions in Windows 10. According to Wikipedia, “An EFI system partition (ESP) is a partition on a data storage device used in computers that adhere to UEFI (Ethernet Interface). Unified Extensible Firmware. When the computer boots, the UEFI firmware loads files stored on the ESP (EFI system partition) to boot the installed operating system and various utilities.

Includes 4 main components.

  • boot loaders
  • Device drivers
  • Utility system
  • information files

What Happens If You Delete an EFI System Partition (ESP)

According to Part 1, the EFI partition is like a computer interface to boot into Windows. It is an initial step to take before booting a Windows partition. Without an EFI partition, your computer will not be able to boot into Windows. In short, deleting the EFI system partition will make the installed system unbootable. Therefore, the EFI system partition is usually protected and secured by Windows operating systems to prevent and avoid accidental deletion. This is why you cannot see the EFI partition in Windows File Explorer or delete it using Windows Disk Management.

How to delete the EFI (System) partition in Windows 11

For users who want to remove the EFI system, there are two methods available. One is to delete using the built-in Windows tool – Diskpart and the other is to apply a simple third-party tool – EaseUS Partition Master. To avoid unnecessary file loss, make sure that you have previously backed up your ESP files.

Delete the EFI partition with EaseUS Partition Manager

Together with DiskPart, external partition management software works much more flexibly and reliably in dealing with this problem. Professional Partition Manager: EaseUS Partition Master makes deleting EFI partitions on Windows as easy as 1-2-3. Now download EaseUS Partition Master and get to know the detailed guide.

  • To remove a system partition, such as an EFI system partition, you will be asked to work in a WinPE environment. So, first of all, use the “WinPE Creator” feature of EaseUS Partition Master to create a bootable USB drive to get started. Click for the complete guide on how to create and access your EaseUS WinPE bootable disk.
  • Open the EaseuS Partition Master WinPE version. Right-click on the EFI system partition and select “Delete”.
  • Click OK to confirm the message “Are you sure you want to delete the selected partition?”.
  • Click “Run 1 Process” in the top left menu and then “Apply” in the new window to completely remove the EFI system partition.

Delete the EFI system partition using Diskpart

As a command line utility, DiskPart is rather complex to apply to regular users. Be very careful when following the following command lines to remove an EFI partition:

  • Open DiskPart on your computer.
    • Press “Windows Key + R” to open the run dialog.
    • Enter diskpart and click OK to open a black Command Prompt window.
  • Change the EFI system partition ID and configure it as a data partition.
  • Type the following command lines and press Enter each time.
    • Disk List (Displays all disks on your computer.)
    • “sel disk 0” (Identifies the disk you want to work with. The number 0 here is the drive letter.)
    • Partition List (displays all partitions and EFI system partitions on the selected disk).
    • “sel partition 1” (Select the EFI partition you want to delete. Here, 1 represents the EFI volume number.)
    • “SET ID = ebd0a0a2-b9e5-4433-87c0-68b6b72699c7”
  • Doing so will make the EFI system partition undeletable. Please follow the steps below to remove this partition from your hard drive.
  • Delete the EFI partition on the command line.
  • Type the following command lines and press Enter each time.
    • Partition List (displays all volumes on the hard disk).
    • “sel partition 1” (specifies the partition you want to delete. 1 here is the letter of the volume).
    • “Delete partition undo” (removes the EFI partition from the Windows disk).
  • Complete the EFI removal process.

Final Words: How to delete an EFI partition in Windows 11

I hope you understand this article, How to delete EFI partition in Windows 11. If your answer is no, you can ask anything via the communication forum section related to this article. And if your answer is yes, please share this article with your friends and family to give us your support.

Leave a Comment

Your email address will not be published.