 under hardware you can troubleshoot also you can select properties under driver you will have options to update driver,rollback driver or uninstall and under hardware you can troubleshootin xpclick start right click on my computer select properties device manager control scroll to mice and pointing devices you might see a yellow question mark? right update driver in make sure the battery is good (has full charge)also you might test the usb device for the mouse is inserted correctly into the usb port (if applicable)Windows 0 