How To Judge a Problem is Related Software or Hardware?

At first,connect and install the tablet on a different computer,if the tablet functions properly on the new computer,it would be the software issue.
Solution:Confirm all tablet drivers are uninstalled and remove your computer.and then reinstall the driver.

As for the hardware issue,you can use the tablet indicator lights that will help you deternine if an issue is hardware related.When functioning properly,the white status indicator light will light up when the stylus pen is in range of or touching the tablet's working area.

Any question please refer to the Ugee Tablet Website: