GDM-9060/9061 Series Excel Add-In Manual 
8 
Uninstallation 
Follow the procedures described in this section when the Excel Add-In or one 
of  the USB drivers needs to be updated or removed. 
 
Uninstalling the 
USB driver 
To update or remove the USB driver, it must be 
uninstalled from the Windows Device Manager.   
1.  Launch Device Manager from the Start menu. 
StartControl PanelDevice Manager 
(Windows XP, Windows 7/8/10: 32 bit or 64 bit) 
2.  For CDC driver: Double-click Ports (COM & 
LPT). Right-click GDM- Series CDC (COMXX) 
and choose the Uninstall option.   
   
For TMC driver: Double-click Test and 
Measurement Devices. Right-click Test and 
Measurement Device (IVI) and choose the 
Uninstall option.