EaseUS Partition Master

A simple partition tool to manage disk space in Windows 10

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System Reserved Partition Recovery in Windows 11/10/8/7

Updated by Roxanne on Aug 30, 2021
Written by Tracy King

When you accidentally delete the system reserved partition in Windows 10, it may cause boot problems or system update problems on your computer (like "We couldn't update system reserved partition" error installing Windows 11/10 ). How to fix this problem? Don't worry. Here, you'll find effective solutions to recover deleted system reserved partition and cope with the boot errors on your PC.

Before making any changes on your computer, remember to back up all important files and data on your PC to an external storage device.

Method 1. Restore Deleted System Reserved Partition Windows 11/10 with WinPE Bootable Disk

When you fail to boot Windows 11/10 due to the deletion of the system reserved partition, an emergency bootable disk may help. The disk shall be created before you commit the mistake, or you can create the bootable disk on another healthy computer. Then, how to create the WinPE bootable disk to recover and repair the system reserved partition in Windows 11/10? 

Professional Windows partition manager - EaseUS Partition Master can help you to create a WinPE bootable disk with ease. With the bootable disk, you can reboot the system and choose the Partition Recovery feature of EaseUS partition software to restore the deleted system reserved partition with a few clicks.

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Step 1. To create a bootable disk of EaseUS Partition Master, you should prepare a storage media, like a USB drive, flash drive or a CD/DVD disc. Then, correctly connect the drive to your computer.

Step 2. Launch EaseUS Partition Master, find the "WinPE Creator" feature on the top. Click on it.

Step 3. You can choose the USB or CD/DVD when the drive is available. However, if you do not have a storage device at hand, you can also save the ISO file to a local drive, and later burn it to a storage media. Once made the option, click the "Proceed" button to begin.

When the process finishes, you have successfully created an EaseUS Partition Master WinPE bootable disk. Now, you can manage your hard disks and partitions through the bootable drive whenever the computer fails to boot normally.

If you have RAID drives, load the RAID driver first by clicking Add Driver from the menu bar, which can help you add the driver of your device under WinPE environment, as some specific device cannot be recognized under WinPE environment without drivers installed, such as RAID or some specific hard disk.

After creating the WinPE bootable disk following the steps above, you can continue restoring the system reserved partition deleted with the same guides in Method 2.

Method 2. Restore Deleted System Reserved Partition with Partition Manager software

If your computer starts normally after deleting the system reserved partition, but you have other usage problems and need to restore the deleted partition, you can install and use EaseUS Partition Master directly on Windows 11/10 to recover the lost partition as well as the data on it. 

This disk management program allows you to recover lost partition from unallocated space efficiently, including the accidentally deleted system reserved partition. Follow the video and text tutorials below to restore deleted system reserved partition quickly.

Step 1. Open EaseUS Partition Master and click "Partition Recovery" on the top menu. A new window will appear and ask you to select a disk to start searching for lost partition(s). So choose the desired disk and click "Scan".

partition recovery step 1

Step 2. A quick scan will immediately start. You can pause the scanning process by clicking "Proceed" at any time when the lost partition shows up to start your data recovery.

partition recovery step 2

You can double click on the partition you're looking for to preview its content.

partition recovery step 3

Step 3. As soon as the lost partition and data has been found, click "Recover Now". Or else, go on with "Continue Scanning" for more lost data recovery.

partition recovery step 4

Step 4. After the recovery process, click "Finish". Your lost partition should reappear in your drive.

partition recovery step 5

When the process completes, you can reboot the computer and reuse the system again. EaseUS Partition Master is known for partition management with the following full around disk management solutions: 

  • Resize/move partitions (the Pro version allows to move space from D drive to C drive), create, format, delete, and merge partitions
  • Copy and clone an entire disk to another even the target partition is smaller than the source
  • Convert a logical partition to primary or primary partition to logical, FAT to NTFS partition, MBR disk to GPT, or GPT disk to MBR
  • Completely wipe out all the data on the hard disk to prevent information from being leaked or recovered
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Method 3. Rebuild or Repair (Deleted) System Reserved Partition via CMD (Command Prompt)

1. Boot the computer with Windows 11/10/8/7 installation media and press Shift + F10;
2. Run the following commands at the command prompt:

  • bootrec /fixmbr + Enter

If you receive the error message "Element not found", you may need to mark the boot partition as active with diskpart first.

3. Enter the commands  below at the command prompt:

  • diskpart
  • select disk 0
  • list partition
  • select partition #

Note: Select the "System Reserved" partition (if you have it) or the Windows OS partition.

  • active
  • exit

4. Type: bootrec /fixboot + Enter at the command prompt.
5. Type: bootrec /rebuildbcd + Enter in the command prompt.
After these steps, you can reboot PC and continue to use your computer again, and the deleted system reserved partition will be restored. 

Method 4. Fix Deleted System Reserved Partition Issue with 1 on 1 Remote Assistance Service

If you've tried all the above three methods but didn't get any luck, don't give up. The last way to make sure it works is to use EaseUS 1 on 1 Remote Assistance

EaseUS 1-on-1 Remote Assistance service allows you to arrange a dedicated support engineer for a remote desktop session. In this remote session, you will receive personalized support from us, including operating the EaseUS software to achieve your goals, configuring a backup plan that meets your needs, repairing Windows errors or system startup problems, and more. 

If you want to restore deleted system reserved partition or resolve any system boot issue, you can contact our professionals via email or live chat for the greatest help.

Repair System Reserved Partition Windows 11/10 FAQs

Here are a few more questions related to deleted system reserved partition in Windows 11/10. If you also have any of these problems, you can find the methods here.

How do I rebuild the system reserved partition?

Step 1. Boot your Windows computer via Windows installation media.

Step 2. Then in the first installation screen, press Shift + F10 keys to bring out the Command Prompt.

Step 3. Input the following commands and press Enter after each line of command.

select disk 0
list partition
select partition # (Select the "System Reserved" partition (if you have it) or the Windows OS partition)

Step 4. Type bootrec /fixboot + Enter .

Step 5. Type bootrec /rebuildbcd + Enter.

Step 6. Exit the Command Prompt and shut down your PC. Then try to boot from the drive that has been repaired just now.

What happens if I format system reserved partition?

You can format system reserved partition on your PC for a clean installation of Windows 11/10/8/7. The system reserved partition will be created again when you set up your first partition to install windows.

Deleting system reserved partition won't do much to clean up space, because it takes up so little space. On the contrary, because the system boot file is stored on the system reserved partition, deleting it may affect the normal startup of your computer.

What is the System Reserved partition in Windows 11/10?

The system reserved partition refers to the partition reserved for storing system boot files when the Windows system manages the hard disk for the first time. For security reasons, during the installation of Windows 7 (and later versions), if the hard disk is partitioned by the partition tool of the CD, the system will divide a part of the space (100-200M) by default. No drive letter is used to store system boot files (part of files with special functions that need to be read first when the computer starts).

How do I fix system reserved partition Windows 11/10?

The simplest way to recreate or repair system reserved partition in Windows 11/10 is using specialized partition management software, such as EaseUS Partition Master. Using this tool, you can easily recover accidentally deleted system reserved partition in Windows 11/10/8/7 or in WinPE with a bootable disk. 

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Updated by Roxanne

Roxanne is one of the main contributors to EaseUS and has created multiple posts on digital devices like PCs, Mobile phones, tablets, Mac, etc. She loves to share ideas with people of the same interest.

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Written by Tracy King

Tracy joined in EaseUS in 2013 and has been working with EaseUS content team for over 7 years. Being enthusiastic in computing and technology, she writes tech how-to articles and share technical solutions about Windows & Mac data recovery, file/system backup and recovery, partition management and iOS/Android data recovery.

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  • I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes. I also think the overall look and feel of EaseUS Partition Master Free makes whatever you're doing with your computer's partitions easy.

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  • Partition Master Free can Resize, Move, Merge, Migrate, and Copy disks or partitions; convert to local, change label, defragment, check and explore partition; and much more. A premium upgrade adds free tech support and the ability to resize dynamic volumes.

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  • It won't hot image your drives or align them, but since it's coupled with a partition manager, it allows you do perform many tasks at once, instead of just cloning drives. You can move partitions around, resize them, defragment, and more, along with the other tools you'd expect from a cloning tool.

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All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

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