Sounds Like Dell RP962 / PY777 Optical 5-Button USB Mouse w/ Scroll Wheel (MOA8BO)
Logitech Premium Optical Mouse Application
This package provides the application for Logitech Premium Optical Mouse
and is supported on Inspiron Notebook, Latitude, Precision, Vostro and XPS Notebook models
that are running following Windows Operating Systems: XP and VISTA.
http://downloads.dell.com/input/R164209.exe