how to start a windows 10 pc in safe mode?
['Click the Windows-button → Power.', 'Hold down the shift key and click Restart.', 'Click the option Troubleshoot and then Advanced options.', 'Go to “Advanced options” and click Start-up Settings.', 'Under “Start-up Settings” click Restart.', 'Various boot options are displayed. ... ', 'Windows 10 starts in Safe Mode.']