1.Click on Start option and Power icon, then press and hold on Shift key, and click Restart at the same time.
2.As a new window screen appears, choose Troubleshoot, and then click ok.
3.Click on Reset this PC.
4.Click on Remove everything.
5.Just remove my file.
6.Click on restart.
7.After click on restart it will take 30 or 40 min to reinstall Windows.
This process will erase all data on your system. Make sure your system is plugged in and does not power off during the reset.