![]() Personally, I wouldn't try to change the boot mode of a dual-boot (Ubuntu and Windows) system. But that might not be a good idea for a dual-boot system, because the boot loader for other OS (usually Windows) might be confused and not know how to boot. If your computer supports UEFI, then another option would be to create a UEFI system partition and tell the computer to boot in UEFI mode. If your system is configured to boot in legacy mode, then that's why you don't have an EFI system partition you should be able to ignore the warning and proceed. But if you do have an older computer and you got the warning, I'd recommend that you abort the installation and check the "BIOS" to see how your system is configured to boot. These days only older computers are configured for legacy (non-UEFI) booting, like my laptop built around 2011, which supports UEFI but is configured for legacy booting. (I realize that this wasn't the poster of the question's problem.) Now you can remove the Windows installation media and restart the computer.For the benefit of other people who got the dire "No EFI System Partition was found" warning during a "Something else" Ubuntu installation, I'd like to mention that this message will come up for a system configured for "Legacy" booting. List volume Note: Note the volume letter where the Windows OS is installed.īcdboot X:\windows Note: Replace "X" with the volume letter of the Windows OS partition.īCDBoot copies the boot files from the Windows partition to the EFI System partition and creates the BCD store in the same partition. Select disk # Note: Select the disk where you deleted the EFI System partition. Type the following commands and click Enter each time: Boot PC with Windows 11/10/8/7 installation media > press SHFIT + F10 on the first screen to bring up Command Prompt. How to manually create EFI partition Windows 11/10 Boot PC with Windows 11/10/8/7 installation media > press SHFIT + F10 on the first screen to bring up. Most likely, users with some computer skills are able to recreate an EFI boot partition by themselves. Open EaseUS Partition Master and click 'Partition Recovery' on the top menu. Create EFI partition Windows 11/10 using CMD To ensure our professional assistance work, you are suggested to connect the unbootable system drive to a healthy computer when getting connected with us. If the solution above does not work for you, please contact our professionals via Email or LiveChat in this page. You can choose Fast Search first, If it won’t work, then run a Full Search. At the next page, select a search method. Select the disk which has no EFI partition and click Next. You may directly download this partition recovery software and follow the simple steps to restore EFI boot partition.ĮaseUS also provides 1-on-1 remote assistance to fix the boot issue. At the main interface of AOMEI Partition Assistant, click Partition Recovery Wizard on the left panel. If you prefer a simple method to restore deleted or lost EFI partition in Windows PC, EaseUS Partition Master supports you to restore lost EFI partitions with ease in Windows 11/10/8/7. Recover EFI partition with partition recovery software Therefore, when the EFI boot partition in your computer accidentally gets deleted, feel no hesitate to follow the advice here to recover the deleted boot partition, or manually recreate the EFI boot partition by yourself. Unless you use an external hard drive to boot Windows OS rather than an internal one, you don't require an EFI partition to boot from the drive. Full stepsĮFI boot partition missing will cause your computer to have no boot partition to boot from, so you will need to create EFI partition in Windows 11/10, or recover missing EFI boot partition with third-party partition recovery software.Īs we mentioned, the EFI partition is essential if you want to be able to boot up the operating system that you have installed on your internal hard drive. Step 1. Open EaseUS Partition Master and click "Partition Recovery" on the top menu.
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