Mouse usage is normal but keyboard is not available

Sometimes the mouse can be used when the system is turned on, but the keyboard is not available.

This situation check the keyboard interface is not loose. Use mouse soft shutdown to prevent system paralysis caused by hard shutdown. After the shutdown, the removal of keyboard interface part of the hard plug back, power-on test.

Repair the computer or when moving the computer, easy to cause the keyboard interface loose. If the computer is just assembled, pay attention to the quality of the keyboard interface or the quality of the keyboard interface on the motherboard. Find the above problems to be replaced in a timely manner, to avoid the warranty period.