OK, you have this latest software
http://www.logitech.com/index.cfm/428/359&cl=us,en ?
So, next try to disable the uninstall the driver.
Reboot without mouse and then plug it in to see if it properly detects it.
Also did it come with a PS/2 port adaptor? If so does it work through a USB
port? Can you try it on another PC (it might be a hardware failure)?
"StoneAgeNerd" <StoneAgeNerd.2s3qga@no-mx.forums.vistaheads.com> wrote in
message news:StoneAgeNerd.2s3qga@no-mx.forums.vistaheads.com...
>
> After recently upgrading to Vista Ultimate, my mouse ceased to function,
> I have updated all my drivers video and mouse related and now Im at a
> loss for why my mouse is still not working. Nothing functions no button
> clicks & no movement.
>
> Mouse is a G5 laser logitech
>
> Video Card Radeon x850 Pro
> Report Post
>
>
> --
> StoneAgeNerd
> Posted via http://www.vistaheads.com
>