Solved: Unable to Reset Your PC. A Required Drive Partition Is Missing

Recoverit Editorial Team

Oct 23, 2026 • Filed to: Windows Computer Solutions • Proven solutions

TL;DR:

To resolve the Windows 8 and 10 error stating that a required drive partition is missing when attempting to reset your PC, you must repair the system partition or rebuild corrupted boot configurations using Command Prompt via the Windows Repair menu.
    ● Run the CHKDSK utility using the chkdsk c: /f command to fix partition errors, or use the diskpart tool to manually select and set your system installation partition as active.
    ● Rebuild corrupted boot records by booting from an external DVD or USB media and executing the bootrec /fixboot, bootrec /scanos, bootrec /fixmbr, and bootrec /rebuildbcd commands.
    ● If data is lost during the reset attempt, Recoverit Data Recovery software can be utilized to scan and retrieve files from internal hard disks or external storage devices.

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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."

This error may be due to inactive or lost partitions, defective HDD or SDD, corrupted boot configurations, etc. It may occur in either Windows 8 or 10.

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Solution 1. Using CHKDSK to Check the System Partition

Check Disk Utility or CHKDSK is a built-in utility on Windows that is capable of performing scans on hard disks. This may provide a solution for recovering drive partitions so you may reset your PC. After launching the Command Prompt, enter chkdsk c: /f (replace "c" with the drive letter of the volume you want to check).

Solution 2. Use Command Prompt

Step 1. Open Command Prompt through Windows Repair.

Step 2. In the Command Prompt window, type in diskpart

Step 3. Then, type list disk to preview all available hard disks.

Step 4. Select the disk. In this case, it is Disk 0. Select the disk by typing in select disk 0 in the command line.

Step 5. Type in list partitions to preview the list of available partitions. In this case, we have two partitions. Partition 2 is for system installation so we're going to select it.

Step 6. Type in select partition 2 and then type active.

Step 7. Exit diskpart by typing Exit in the command line.

Step 8. Type another Exit to close Command Prompt, then Turn off your PC.

Step 9. Turn on your PC.

Solution 3. Rebuilt Boot Record

Step 1. This solution will require a bootable external storage media such as a DVD or USB. You may use this both on Windows 8 and 10.

Step 2. Open Command Prompt through Windows Repair.

Step 3. Select Command Prompt.

Step 4. When the Command Prompt window appears, type in these commands. Remember to hit Enter for every line.

Step 5. After you type in all the commands, reboot your PC and see if the problem persists.

What If You Lost Important Data After Resetting Your PC?

If the solutions above are unable to resolve the issue or you lost important data on Windows, you may use a data recovery software. Recoverit Data Recovery is a free data recovery software that will help you recover any missing files back. It can be used in your PC, hard drives, USB flash drives, SD memory cards, and other external storage devices.

Recoverit - The Best Data Recovery Software

The best data recovery software can easily recover deleted or lost files from the computer. It also can recover lost data from other storage media like external hard drive, SD memory card, USB flash drive, etc.

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Steps on how to recover lost files from computer

Step 1. Download and install Recoverit Data Recovery on your computer, select a hard disk drive, and next.

Step 2. The data recovery will start scanning the disk to searching your lost files.

Step 3. After the scanning, you can preview some recovered files like photos, videos, audio, and office document(Word, Excel, PPT, PDF).

Follow the steps above mentioned, you can fix the error "unable to reset your pc a required drive partition is missing". What if you accidentally deleted the files from the computer, you can download Recoverit Data Recovery to help you recover lost files.