Win8.1 Power Options Entry method:
1, set the power we still have to be in the computer Control Panel, we right click the Start (a Windows button) as shown in the following image:
2, click the Control Panel again.
3, here we will see a system and security options, we are looking for it, click Enter.
4, then in the Security and System dialog box to find Power options Click to enter, as shown in the picture:
5, OK here we find the equilibrium state, the following figure:
6, we can choose the performance we need, as long as the selection on the front can be.