Solve the problem of black screen in desktop theme background after computer power-on login

As shown below after upgrading the Windows 10 system we turn on the desktop you will find that the desktop is a black background, desktop background can not load properly, how to solve?

1, now to resolve we then click the "Start"-"settings" option, as shown in the following figure;

2, click Easy to use;

3, in the left side of the other options, you will see the Windows background open.

Okay, the above is about WIN10 system boot black screen solution, if it is the other version of the win system we just restart the computer is estimated to be able to solve, in the WIN10 can be set through the switch.