Win10 use bat command line to enter safe mode operation method

The specific method is as follows:
1, using Win10 mirror U disk boot or CD burning to make a Win10 boot U disk or CD;
2, using the above Create a good media to start the computer to the following interface ——

3, do not click any function of the interface, directly press shift+F10 to open the command prompt;
4, execute the following command (note the space ):
bcdedit /set {default} bootmenupolicy legacy

5. Restart the computer and press F8 to enter the safe mode option menu (such as the first illustration) before the boot screen (Microsoft Blue logo). Br> Although this method is a little troublesome, it can finally be saved. And if your computer does not turn on "Quick Start", then this setting "stay once and for all", in the future you want to boot into safe mode, you can directly press F8, and do not have to enter the system before setting.
If you want to restore to the default state, you can restore it by running the following command in the administrator mode:
bcdedit /set {default} bootmenupolicy standard
then turn it on again “ Quick start & rdquo;