If you use the mouse to the computer, usually when the left mouse button, so that left mouse button or maimed have strange problems lightest. Here I will take this as an example on the left side to show you how to repair an ineffective is the pointing device, and the main solution is to replace button switches.

Step 1 Disassemble the mouse and remove the cover plate.

Step 2 Determine the left button switches and think of the assembly.

Step 3 On the back of the board, there are three pin joints. Put a bit hard on an iron and then the three units with the hot iron. Then you can divide the change by pulling them out.

Step 4 Use the switch you to the store and buy the same thing.

Step 5. Molten tin in the switch mounting holes with iron and punch in the pin connectors with a needle.

Step 6 Insert the new switch in mice, a few drops of tin on the three pin joints and ensure that they are welded.

Please note that during the welding process is not possible to make iron on the joints remain in the case that the high temperatures could damage the switch. If you can not have the same switch that you used before, and then with the mouse through the exchange of the left button to switch to repair the ball switch.