Restart your PC and press a specific key to enter BIOS.
If you have already created one, you can use it directly. Create a bootable USB drive with Windows 10 Media Creation Tool and insert it into your computer. If this is the case, you can follow the steps below to mark system partition as active with a Windows 10 installation USB drive. If the system partition is not marked as active on your disk, you may get the unable to reset your PC a required drive partition is missing error message. If you encounter the same error and don't how to fix it, try the following solutions one by one. You may be interested in this post: Fix: The Drive Where Windows Is Installed Is Locked (6 Ways)Īfter analyzing several posts on how to remove the unable to reset your PC a required drive partition is missing error when resetting your PC, here I have summarized some effective solutions. How to fix the error so you can reset your PC successfully? And you may encounter this error on Windows 8, Windows 8.1 and Windows 10. The reasons for the unable to reset your pc a required drive partition is missing error are various such as setting wrong active partition, corrupted boot configuration, hard drive errors or bad sectors. However, when you try to reset your PC, you may get the following error: The Windows Reset your PC feature allows you to reset your Windows to factory settings when you encounter system errors. Unable to Reset Your PC a Required Drive Partition Is Missing FAQ.Recover Lost Data from the PC with “A required partition drive is missing” Error.It may take a while (couple of days for me) to complete the scan, so make sure that your computer power options is set not to go to sleep or hibernate. Use Data Recovery from Lazesoft to perform a deep scan of the disk. Use Windows Computer Management applet to create a new volume with the disk and do a quick format.Ĥ. Make sure you do not accidently select the wrong disk (if you have any doubts, disconnect the other none system disks physically).ģ. Run it and select Disk Image & Clone, then use the Disk Tools to initialize the disk to GTP disk. The unallocated partition (the disk that was lost), do a quick format then perform a deep scan to recover the data.Ģ. Instead, you should simply use Lazesoft to initialize Issue #2: If you are losing aĭrive which is physically part of the system drive, like the issue ADermawan has, you should not initialize the disk to GTP as doing so will probably cause your good logical disk to get reinitialized as well. Issue #1: If you had a hard drive that was more than 2 TB originally and after upgrade you don't see the disk and only see a 2 TB and 1 TB allocation, you can follow the steps below by initializing the disk to GTP. I tried several tools to recover the data and was finally able to do so with Lazesoft's data recovery tool:
I ran into the exact issue after upgrading one of my home systems.
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