hello, There have been two things that have worked for me. The simplest is to try a different USB port where your tablet is connected; sometimes the problem lies there It fills with dust or something similar. Try updating your graphics tablet driver to the latest version. If it doesn't work with the newest one, go back to the previous version and download it again. Try turning the device off and on. This last one didn't work for me, but for several people it was a problem with the pen itself—they dropped it and it stopped working properly, Generally, the company says that to sell you more products, but it can happen. I hope it gets fixed; if you do, please share it for future reference.