Exit from Command Prompt and restart your computer to see whether the error is fixed. In Command Prompt, input the command lines as follows and press Enter after each.Ĥ. Go to Repair your computer and go to Troubleshoot > Advanced Options > Command Prompt.ģ. Insert the Windows Installation disc and boot your computer from it.Ģ. If so, you can repair MBR in the following steps:ġ. ▌Run bootrec.exe to repair Master Boot RecordĪs mentioned above, Unmountable Boot Volume error can be caused by corrupted MBR.
Stay patient as the whole process can be long and do not abort it. On the next screen, click Windows 10 (the current operating system of your computer). Choose Advanced Options > Startup Repair.ĥ. Choose Repair your computer and go to Troubleshoot.Ĥ. Select right langue, time, currency, keyboard, and click Next.ģ. Insert the Windows Installation disc and enter BIOS to boot your computer from it by pressing a certain key while rebooting.Ģ. If luckily, you can repair Windows 10 boot failure with Startup Repair. ▌Run Startup Repair to fix Windows 10 automatically If not, apply the further solutions in the following to troubleshooting this error.
If you encounter Unmountable Boot Volume error in Lenovo computer running Windows 10, Windows 8, or Windows 7, you can restart your computer at first and the error might disappear. Unmountable Boot Volume error can be caused by different reasons like corrupted Master Boot Record, damaged RAM, improper BIOS settings, and so on. I don’t know what’s wrong with my computer and how to fix Unmountable boot volume in Windows 10 Lenovo computer? I need your help!”Ĭauses and fixes for Unmountable Boot Volumeīoot volume is a partition that holds Windows system and boot files. When I turn it on, it shows me a blue screen with UNMOUNTABLE_BOOT_VOLUME error message. “Hi, My Lenovo laptop with Windows 10 installed is unable to boot.
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