Core tips£ºLenovo P4 1.7G computer optical mouse left button doesn't work and cannot open you double-click that, when clicked, will be recognized by the system
Carefully open the mouse cover, the check is left touch the contacts of switches are significant oxidation, resulting in poor contact. With iron welding are the touch switch from the circuit board, then carefully open the touch switch, Black oxide on contact between Jin Xiangxi sandpaper sand then coated to prevent oxidation of lubricating oil, place the switch after restoring everything to normal.