I haven't installed anything lately, but all of a sudden my middle click mouse button (when I click it down) doesn't work. Before when I click it down, the little arrow thing would pop up and I would be able to scroll up and down if I move my mouse up and down. What is wrong? I didn't find anything in the System Preferences thing and I tried to install their software today, but to no avail. I can still scroll if I turn the wheel, but I want the middle click scroll to work again. So does anyone know how to fix this issue and restore the little up and down arrow thing? Thanks in advance. Note: Mouse is a Logitech Wheel Mouse M/N: M-BJ58
MacBook Pro Mac OS X (10.4.6) 2.0 GHz