1.Wacom handwriting board is not connected correctly.
2. Wacom tablet driver is not installed.
3.Wacom handwriting software is not started.
4. The device needs to re-install Wacom hand-drawn board driver and restart the device.
If you encounter the above problems, it is recommended to try to reconnect the handwriting board, check whether the driver is installed correctly and confirm that the handwriting software has been started. If the problem persists, you can try uninstalling and reinstalling the hand-drawn tablet driver, and then restart the device. If the problem persists, it is recommended that you contact Wacom or the equipment manufacturer for further help and support.