crwdns2934241:0crwdne2934241:0 mike
crwdns2934249:0crwdne2934249:0:
If you actually mean the clicking sound of the switch inside is silent it means the switch needs replacing. Open the mouse and take a look. If you mean that it just doesn't do anything then it may just be a software setting for the mouse buttons.
crwdns2915684:0crwdne2915684:0:
open