Dell mouse questions

[Mousaian]

I have an R41108 wired optical mouse with two thumd controls on the left side. How do I change the functionality or disable them? Control Panel/Mouse Properties doesn't give many options.

 

[buwish]

To do so, you need to remap the mouse. Below is a link to some software to research and try out to do so.

http://www.fileguru.com/downloads/remap_mouse_buttons