If your pen tablet is malfunctioning, do the following:
(1).Connect your pen tablet to a different computer. If the pen tablet functions properly then the issue is a “driver conflict” with the system file or application.
(2).The pen tablet LED light should indicate a malfunction. Pressing the pen tip on the pen tablet should activate the LED light on tablet, this indicates the hardware is in proper working .
With the pen placed away from pen tablet area press the pen barrel button,if the LED light is on, this indicates the hardware is in proper working.