Win8.1 How safe Mode? Win8.1 into Safe Mode settings

To enable fast startup off, you can do the following:

1. We press "Win" + "X" shortcut key directly on the keyboard;

2. Then click on the "Power Options" in the pop-up interface to enter;

3. "Power Options" click "Select the function of the power button" to enter the details below;

4. Then we find the "change the currently unavailable settings" entry details below;

5. Cancel the quick start and save at the bottom of the interface.

6. Okay, now we're on the keyboard. Press "Win" + "X" then we enter "Bcdedit/set {default} Bootmenupolicy legacy" at the command prompt (Admin) and then return, as shown in the following figure.

If the previous illustration indicates that the operation completed successfully, then you restart the computer and click F8 is not in the Safe mode option.

If you want to revert to the windows8.1 system in the fast Boot mode we also press "Win" + "X" and then in the cmd input "Bcdedit/set {default} bootmenupolicy standard" and enter it, so that the recovery.