How to Resolve Unable to reset your PC (A required drive partition is missing) on Windows PC

  • PC resetting has become one of the main methods of fixing minor bugs and flaws on most Windows computers.
  • A common error that may occur is the message “The computer cannot be rebooted.
  • The required disk partition is missing” This error can be found in Windows 8, Windows 8.1, and Windows 10.
  • The error can have many causes, such as an incorrect active partition setting, corrupt boot configuration, hard drive errors, or bad sectors.

Updated February 2024This tool will stop these errors and fix common problems: Get it at this link
  1. Download and install the software.
  2. It will scan your computer to find problems.
  3. The tool will then correct the issues that were discovered.

Msi Partitions

Each MSI system contains job partitions managing sets of hardware with different resource and policy limitations. MSI currently has three primary systems: the Agate cluster, the Mesabi cluster, and the Mesabi expansion Mangi. These systems have high-performance hardware and a wide variety of partitions suitable for many different job types. Agate is the latest cluster with the best hardware, and should be your first choice for submitting jobs. Which system to choose depends highly on which system has partitions appropriate for your software/script. More information about selecting a partitions and the different partition parameters can be found on the Choosing A Partition (Slurm) page.

Resetting PCs has become one of the staple methods to get rid of minor errors and bugs in most Windows computers. This enables users to reset their devices to their factory settings while retaining all the data. Traditionally, a drive reformat does this job but this requires transferring of data into a storage device as this process wipes out all the data in the PC. This has made this new feature of Windows 10 very ideal. However, there are times when you’re unable to reset your PC because of errors. A common error you may encounter is one with prompt “Unable to reset your PC. A required drive partition is missing.”

An inactive partition, a defective HDD or SSD, a corrupt boot configuration, etc., can cause the error.

The process of resetting a computer is becoming increasingly popular among users, as it allows them to fix minor bugs and flaws on their computers while retaining their personal data. Reformatting the drive is traditionally used to solve this issue. However, this process erases all data on the computer, which requires transferring data to a storage device, making this new Windows 10 feature very ideal.

A Windows 10 computer may not be able to be reset due to a missing MBR or BCD file. To resolve the problem, find a Windows 10 installation DVD or USB flash drive and use it to correct the MBR or BCD file.

Occasionally, error messages prevent you from rebooting your PC. A common error message is “The disk partition needed for rebooting is not present.”.

What is the reason why your computer cannot reboot – “required drive partition is missing”?

An invalid active partition setting, a corrupt boot configuration, a hard drive error, or bad sectors are all causes of the “Cannot reset your PC – a required disk partition is missing” error.

Here are a few possible solutions in order to fix the error if you encounter it again.

How to repair the error message Failed to restart your computer – “required disk partition is missing”?

Updated: February 2024

We highly recommend that you use this tool for your error. Furthermore, this tool detects and removes common computer errors, protects you from loss of files, malware, and hardware failures, and optimizes your device for maximum performance. This software will help you fix your PC problems and prevent others from happening again:

  • Step 1 : Install PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista).
  • Step 2 : Click Start Scan to find out what issues are causing PC problems.
  • Step 3 : Click on Repair All to correct all issues.


You may lose your data if you delete partitions on a PC you suspect is infected. Instances where partitions have been deleted will need to be reinstalled as clean ones.

Perform a system restore

  1. Windows will be installed and the computer will be rebooted once the USB stick is connected.
  2. Using BIOS, select Windows USB installer as the boot option.
  3. You can restore a computer by selecting “Restore Computer” on the Windows Setup window.
  4. System Restore can be found under Troubleshooting – Advanced Settings.
  5. To restore your computer to a previous state (data), choose the previous working state.
  6. The system will be restored by Windows after restarting your computer.

Reset your computer’s settings

  1. Select Settings – – – Updates and Security – – Restore – – Reset This PC – – Run from the Start menu or Windows icon.
  2. You have the option of saving your files or deleting them all.
  3. The previous step allowed you to delete all drives, but now you can select only the one on which Windows is installed.
  4. Select “Delete files and clear disk” if you want to sell the computer. The next user will not be able to recover the deleted files.
  5. When prompted, click “Reset”.

Running the SFC (System File Check)

  1. In the search box, type cmd after pressing Windows + X.
  2. Using the right-click menu, choose “Run as administrator” in the Command Prompt window.
  3. The “Cannot reset PC” error is caused by missing or corrupt system files. Run the sfc command to restore them, and then press Enter.
  4. You can run a scan by entering the command: sfc /scannow

RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

  1. Type diskpart at the command prompt and hit Enter.
  2. Type list disk and press Enter to display all connected hard drives.
  3. Make sure you know which disk you want to reset before you continue!
  4. Type select disk # and press Enter (where # is the number of the hard drive you want to reset).

  1. Find the lost partition in Disk Management.
  2. Run CMD as administrator.
  3. Type diskpart in the window and press Enter.
  4. Type list disk and press Enter.
  5. Type select disk # and press Enter (replace # with the number of the hard drive that contains the lost partition).

  1. Disabling a hidden partition in Windows 10.
  2. Create partitions and assign a drive letter.
  3. Reformat the partition to recover missing partitions on the hard drive.
  4. Update device drivers through Device Manager.

Website | + posts

Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.