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How to Fix Drive Partition is Missing/Drive is Locked Error in Windows 8

In this tutorial, I will show a simple method to fix “a required drive partition is missing” or “drive where Windows is installed is locked” errors in Windows 8/8.1. These errors usually occur when you trying to perform a system reset or refresh in Windows 8/8.1. This kind of errors might be because of corrupt MBR or BCD record.



There are many reasons for a corrupt MBR or BCD record. It might be due to a system crash, malware infection, a sudden power outage or some other unknown reason. The only solution to fix the issue is correcting the MBR or BCD record You can correct the MBR or BCD record by using your Windows recovery disk or installation disk. Follow below guide to know how it is.

How to Fix Drive Partition is Missing/Drive is Locked in Windows 8

1. Insert Windows recovery disk or Windows installation disk in your DVD. If you have created the recovery disk on a USB drive, then plug-in the USB drive.

2. Now, restart your PC. When your Windows boots up, repeatedly press the F12 key to bring up the boot menu (F12 key may be different on your system).

3. Select either the DVD or the UDB disk from the boot menu.

4. Wait for the computer to discover the bootable media and press a key when the message appears on your screen to boot into the Windows Installation or Recovery DVD.

5. Choose to Install Windows from the screen that appears and then select Repair your computer.

6. From the repair menu, select Troubleshoot -> Advanced -> Command Prompt.

7. In the command prompt that opens, issue the following command one by one

bootrec /fixmbr 

bootrec /fixboot 

attrib C:\Boot\BCD -h -r -s ren 

C:\Boot\BCD C:\Boot\BCD.bak 

bootrec /rebuildbcd 

Now reboot your computer. Try a system reset or refresh Windows once again. The “a required drive partition is missing” or “drive where Windows is installed is locked” error should not pop up.

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