Whenever your system fails to boot up or faces frequent PC errors or shutdown issues, you may follow the online suggestions to Reset PC. If the process succeeds, your system will indeed restore. Nevertheless, sometimes, resetting may fail and instead show you the error “Unable to Reset PC. A Required Drive Partition Is Missing.” On this page, we’ll explain different workarounds to fix the issue without losing any important data and enable you to reset the PC successfully.
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.
| IMPORTANT: (A) Recover Data From Missing Partition
To avoid further data loss, we suggest using reliable data recovery software to bring back the missing files first. You may try using Advanced Disk Recovery – a trustworthy solution to detect and retrieve data, no matter what data loss scenario you are dealing with. It can quickly and deeply scan Hard Drive, CD/DVD, Removable Drives, and Partitions to find lost data and recover them to a safe location. 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.
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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.
| Best Workarounds | Troubleshooting “Unable to Reset PC. A Required Drive Partition Is Missing” Error |
|---|---|
| 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 | In case the MBR or BCD file is corrupted. You need to correct, repair, and even rebuild the file to fix the problem. |
| METHOD 3- Set System Partition Active | As the error name entails, the required drive partition is missing. In this method, you need to change the active partition using Command Prompt. |
| METHOD 4- Reinstall Windows | 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.” |
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.
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STEP 1- Launch the Command Prompt and Run as Administrator. (Search for CMD & right-click to choose the option Run as Administrator. 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. |
METHOD 2- Run Bootrec.exe
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:
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STEP 1- The first thing you need is a Windows 10 installation DVD or USB flash drive. 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. |
METHOD 3- Set System Partition Active
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.”
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STEP 1- The first thing you need is a Windows 10 installation DVD or USB flash drive. 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. |
METHOD 4- Reinstall Windows
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.”
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STEP 1- Click on the Start menu and navigate to the system Settings. 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. |
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:
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