Mouse buttons do not work as Back and Forward
Some mice may have problems with Firefox because you don't have the latest device drivers, which allows your computer software to interact with your mouse.
Some old Logitech™ mouse drivers are known to have problems with Back and Forward buttons not working in Firefox.
- Select the product type and name at the Logitech™ Support downloads page.
- Enable the Back and Forward buttons to work in Firefox, by using the instructions in this Logitech™ tutorial.
Based on information from Logitech mouse (mozillaZine KB)
In Firefox 3 on Linux, the mouse button assignments for Back and Forward have changed, to follow X11 customs. Previous versions of Firefox used buttons 6 and 7 for Back and Forward, respectively. Firefox 3 uses buttons 8 and 9. You can configure Firefox to use 6 and 7 by editing some hidden preferences.
In the address bar, type about:config and press EnterReturn.
- The about:config "This might void your warranty!" warning page may appear. Click to continue to the about:config page.
- In the Filter: box, type mousewheel.horizscroll.withnokey.
- Double-click on mousewheel.horizscroll.withnokey.action, set the value to 2, and click .
- Double-click on mousewheel.horizscroll.withnokey.numlines, set the value to -1, and click .
- Double-click on mousewheel.horizscroll.withnokey.sysnumlines, which should set the value to false.
You can now close the about:config page.