Win8.1 Start Menu Click No response how to do?

Some computer users installed win8.1 update1 in a few months after the beginning of the lower left corner of the Start button no response (I was, depressed ing), the following to provide users with solutions:

　　Method 1

1, because the fundamental solution of this problem is not yet, the following method just let it back to normal, can not guarantee a complete solution: please forgive me.

2, open the Start menu (press the Win key to enter).

3, click on the user's name, select Logout

4. Being cancelled

5, the point user name enters

6, should be able to use the

　　Method 2

1, on the taskbar right mouse click, select Task Manager .

2, the arrow below the point.

3, pull down the slider.

4, find the Windows process .

5, Find Windows Explorer . The restart of the lower-right corner of the point.

6, can be used.

　　Precautions:

1, sometimes this method may not apply.

2, want to completely solve another way: to reload the system. But it's going to be a hassle.