Wacom Intuos Pro Manual page 51

Testing the pen
If your pen does not work properly, first try these fixes and then use the diagnose tool in Wacom Tablet
Properties to verify if your pen is working correctly.
1. Go to the Pen tab in
and side switch are what you expect.
2. If the assigned functions are as expected, update your driver software.
3. If updating your driver does not fix the issue, reset your pen to default settings by going to the Pen
tab in Wacom Tablet Properties
4. If that does not work, use the diagnose tool to verify if your pen is working correctly.
Using the diagnose tool in Wacom Tablet Properties
Open Wacom Tablet
If you have more than one device connected to your system, select the device you are using the
pen with from the Device list.
Click About, and then click Diagnose.
Note: Your device might not have all of the options listed.
Hold your pen within 10 mm (0.4 inch) of the surface of the device while watching the Pointing
Wacom Tablet Properties
and clicking Default.
Properties.
The above screenshot is for descriptive purposes; it may not match your screen.
and check that the functions assigned to the pen tip