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Use third-party software utilityĭiskPart is indeed a functional tool for professional users. Now, you can reboot your computer and check whether the EFI system partition is recovered on Windows 11. Now, you need to input the following commands and hit “ENTER” after each.Ĥ. In the Command Prompt window, type “bootrec/fixmbr” to repair MBR in case it has been corrupted or damaged. In the search box, type “command prompt” and select the result “Run as administrator” to run the utility.Ģ. But this time, we’ll learn to use DiskPart to recover EFI system partition on Windows 11.ġ. With DiskPart, you can perform different operations including disk formatting, disk partitioning, and disk deletion by inputting command lines. Use DiskPartĭiskPart is a command-line utility that provides to manage hard disks and partitions for your PC. In this case, you need to either recover the EFI partition manually or resort to a more powerful third-party software utility.
#Why windows create efi system partition how to#
How to recover EFI partition on Windows 11?Īs we already know, missing the EFI partition will stop us to boot Windows 11. Then, on the right side, below “Status”, you’ll notice “EFI System Partiton”. Just right-click on “This PC” on the desktop, select “Manage”, and click on “Disk Management” under the “Storage” tab. To see it, you need to open Disk Management. Normally, File Explorer doesn’t display the EFI partition. Then, the BIOS looks for the EFI partition to get instructions on starting and interacting with Windows. However, BIOS will start first and wake up the hardware and firmware. When we boot a PC, the OS doesn’t start right then.
![why windows create efi system partition why windows create efi system partition](https://i.stack.imgur.com/A7DGw.png)
A Windows system without UEFI BIOS includes those boot info in the primary partition. Only Windows devices using the UEFI BIOS will have the EFI partition. EFI system partition is generally formatted with FAT32 and around 100MB, containing essential files and utilities such as boot loaders, device drivers, data files, system utilities, and BitLocker data. Can anybody help me?” What is an EFI partition and where can I find it?ĮFI, short for (Extensible Firmware Interface) system partition is necessary for OS booting. However, I’m a computing novice and don’t know any possible solution. I know the partition is necessary if I want to boot Windows 11. I have tried to figure out the cause and finally, I found it was because the EFI partition was accidentally deleted. My Windows 11 laptop can’t boot ever since I upgraded the OS this morning. The EFI partition is missing on Windows 11!