PART 1- Main Causes Of “Unable To Reset PC. A Required Drive Partition Is Missing” Error On Windows 10

As the error message entails, it occurs when a required drive partition is missing (low or inactive partition). Other reasons could be:

There’s some issue with your computer disks. Your PC is dealing with corrupted, missing, or damaged system files. The Master Boot Record (MBR) or Boot Configuration (BCD) has corrupted.

PART 2- Recover & Backup Lost Data From Partitions

Data recovery solutions are helpful when it comes to restoring your lost or missing files from partitions and other PC storage drives.

 

You can recover lost data using Advanced Disk Recovery in just three simple steps:

STEP 1- Download, install & launch Advanced Disk Recovery on your Windows 10, 8, 7 PC.

STEP 2- Choose the area you would like to scan & hit the Start Scan Now button. Make sure you select the desired scanning method: Quick Scan or Deep Scan (according to your convenience).

STEP 3- As soon as the lost or missing data appears, preview them carefully; once satisfied, hit the Recover button and choose a new location to save the retrieved data.

Note: Make sure you do not store the found data on the same drive you are recovering deleted files. As this can overwrite the data!

As soon as the process completes, you’ll get the message “All selected deleted files have been recovered.” You can hit the Finish button to end the process!

Note: The trial version of Advanced Disk Recovery allows free scan. To retrieve and save your lost, accidentally deleted, formatted or corrupted files and folders, you need to upgrade it. It offers a 30-days money-back guarantee as well; hence you can activate it without any hesitation. 

(B) Backup Important Files Before Resetting PC 

Before you perform the reset, note that all the files, settings, programs will be automatically deleted. Hence, it is highly recommended that you backup all the important data to an external storage device or Cloud.

One of the most convenient and fast methods to back up your files & folders is using Right Backup, cloud storage, and data backup solutions.

STEP 1- Simply create your Right Backup account.

STEP 2- Choose files/folders you want to backup.

STEP 3- Upload the files on the Cloud safely.

Depending on the amount of data, all your files and folders will be uploaded on the cloud safely, and you can restore them anytime, anywhere using your Right Backup account.

 

PART 3- Fix the “Unable to Reset PC. A Required Drive Partition Is Missing” Windows 10 Error

Here are the corresponding fixes for each cause.

METHOD 1- Run System File Checker

Since the problem may appear due to missing, corrupted, or damaged system files. It is necessary to check and repair them to fix the error message.

METHOD 2- Run Bootrec.exe

STEP 2- From the CMD window, type the command line: SFC/scannow and click the Enter button.

The command line will automatically repair the corrupted and missing system files causing “Unable to reset PC. A Required Drive Partition Is Missing” Windows 10 Error. 

In case the MBR or BCD file is corrupted. You need to correct, repair, and even rebuild the file to fix the problem. Let’s learn the step-by-step procedure to do so:

METHOD 3- Set System Partition Active

STEP 2- Simply boot into Windows system recovery options and follow the path: Troubleshoot > Advanced options > Command Prompt.

STEP 3- On the Command Prompt window, execute the following command lines one by one:

bootrec /fixmbr 

bootrec /fixboot 

attrib C:\Boot\BCD -h -r -s ren 

C:\Boot\BCD C:\Boot\BCD.bak 

bootrec /rebuildbcd

Reboot the system carefully and observe whether the error is resolved or not.

As the error name entails, the required drive partition is missing. In this method, you need to change the active partition using Command Prompt.  In case the assigned active partition is wrong, your PC won’t boot properly, and you may encounter the error message: “Unable to reset PC. A Required Drive Partition Is Missing.”

METHOD 4- Reinstall Windows

STEP 2- Simply boot into Windows system recovery options and follow the path: Troubleshoot > Advanced options > Command Prompt.

STEP 3- Execute the command lines & hit the Enter button after each:

diskpart

list disk

select disk 0 (the disk contains your system partition)

list partition

select partition 0 (the system partition)

active

exit

Reboot your system and see if the error message “Unable to reset PC. A Required Drive Partition Is Missing” gets resolved.

Yes, reinstalling the operating system will also help you get rid of the annoying issue “Unable to Reset PC. A Required Drive Partition Is Missing.”

PART 4- Conclusion

Make sure to use Advanced Disk Recovery for Windows 10 and other versions to quickly recover any missing data from partitions and backup the important data on external hard drives or cloud using Right Backup. Both the utilities are must-haves for any Windows system. To know in detail about both the software, you can check out our complete reviews right here:

STEP 2- Head towards the Update & security module.

STEP 3- Go to the Recovery options and choose the ‘Get Started’ button under the Reset this PC header.

STEP 4- With full reinstall, your entire drive would be wiped completely. Just select the option ‘Remove everything’ to ensure a clean reinstall is performed on your Windows 10 PC.

Advanced Disk Recovery: Utility To Retrieve Lost Data Data Backup, Do it the Right Way!