How to Fix Unable to Reset your pc a Required Drive Partition is Missing?

Required Drive Partition is missing – When your PC fails to boot up or suffers some serious system problems, you may follow the online suggestions to reset your PC. If it succeeds, your PC will indeed restore. Nevertheless, sometimes, resetting the PC may fail and throw out the error – “Unable to Reset PC. A required drive partition is missing.”

How to Fix Unable to Reset your pc a Required Drive Partition is Missing?

Run CHKDSK

First off, your computer disk may be very likely to suffer some errors, such as bad sectors. In this situation, you need to check and repair disk errors via CHKDSK. It demands you to reboot your PC from an installation media. Then, you can access “Repair your computer” > “Advanced Options” > “Command Prompt” by following onscreen wizards. Later, in Command Prompt, you can use the “CHKDSK /c” line.

Run System File Checker (SFC)

Plus, this error can be caused by missing or damaged system files. Therefore, you must check and repair the system files. This can be accomplished by the snap-in tool- System File Checker (SFC). Like the above solution, get access to Command Prompt and use the “sfc scannow” command line.

Use Command Prompt

Step 1. Open Command Prompt through Windows Repair.

Step 2. In the Command Prompt window, type in the disk part.

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 disk part 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.

Rebuilt Boot Record

Step 1. This solution will require 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.

Also Read: How to Clear System Storage on MAC?

Change Active Partition

As the error message suggests, the required drive partition is missing. Therefore, it is essential and a wise idea to change the active partition, which is the one that BIOS will detect as the booting partition. Now, you can trigger Command Prompt and take the following steps.

1. First off, in Command Prompt, enter the following commands: “disk part” > “list disk”.
2. Then, select the specific disk, such as “select disk 0”.
3. Next, input “list partition”.
4. Later, select the specific partition, such as “select partition 0”.
5. After that, mark it active partition, use “active” and hit “Enter”.
6. Finally, type “exit” to exit “disk part” and Command Prompt.

Run Bootrec.exe Tool

In addition, there is a chance that the MBR or BCD file is corrupted. In this case, it is essential to correct, repair, and even rebuild the file. You can undertake the task with the bootrec.exe tool. You can run the command prompt as usual. Then, make use of the command lines in turn – “BOOTREC /SCANOS” > “BOOTREC /FIXMBR” > “BOOTREC /FIXBOOT” > “BOOTREC /REBUILDBCD”.

Restore to Third Party Tool/Service

Assuming that the 4 solutions listed above don’t work, you had better resort to a reliable and experienced third-party tool or relevant professional services. Some of them not only can eliminate this error but also recover your valuable data, like damaged PST data.