Failure Analysis: This situation is mostly composed of mouse and system, the system is relatively small, but also may be the motherboard BIOS failure, you must restore the BIOS. Or the use of software such as Jinshan poison PA system optimization function and cleaning function, cleaning up the computer system.
Solution: If not the system software failure, of course, you can try a new mouse into the computer, to see if the mouse movement is the case of the card, there is no word is the mouse fault. Now only from the mouse, first look at the mouse USB interface There is loose, whether the cable snapped. Or the mouse in the warranty will be taken to the warranty bar. If it's been a long time, just buy a new one. Now the mouse is not very expensive. It's OK to smoke a pack less.
If it is a wireless mouse, to see if the battery is not the case of electricity, generally rarely occurs this fault.