(1)Check if the USB cable is normal.
If the indicator light on the tablet is blinking, it indicates that it is not connected well. Please check whether the data cable is plugged in firmly or replace other USB ports on the computer.
(2) Check if the computer has drivers for other brands of tablet
If the computer has drivers for tablets of other brands, you must uninstall them all, restart the computer, and re-download the Acepen driver on the official website, otherwise there will be conflicts and the pen will not work.