crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

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