You can access the diagnostics dialog, based on your operating system, as follows: The diagnostics window plays a central part in detecting hardware issues, and will help you get a quick overview of the status of your tablet and the current pressure of your device. If your pen pressure isn’t functioning after walking through these tests, you can use the diagnostics panel to determine if your pen or hardware is defective. For troubleshooting pressure issues in Adobe Photoshop, visit the guide here.Is the issue is only found in the one program, try resetting the preferences for that program.
Follow the steps to uninstall and reinstall the Wacom Driver found below.
Incorrect driver settings and pen defects can also cause you to lose pressure sensitivity. A loss of pressure sensitivity could also be caused by interference from another device near the tablet, or by the use of a specific software or plugin. Many applications have built-in support for pressure sensitivity that require you to turn on pressure capabilities within the application before the pen will respond as a pressure-sensitive tool.