Some computer repair places, such as Best Buy's Geek Squad, will help fix wireless tools. They can also help diagnose the problem with through online chat.
While repair shops can help fix the technical issue with a wireless mouse, there are also a few things that can be tried at home. Try using the mouse on another device to make sure the problem is with the mouse and not the computer. The work surface may also be an issue. The surface should be smooth so the light can freely glide. Check to make sure the batteries are working properly. In addition, the mouse may need to be resynced to the computer.