Mengtian Pen Bao encountered a problem with the free driver version.
In fact, many people say that it is unmanned. In fact, people have to be driven to run, depending on the system. Your driver-free, when plugged in, the computer is not fully running at this time, so the computer does not recognize the tablet at this time and regards it as a startup project, because nothing runs, so it can't start. But after normal startup, all the functions of the computer are running. When you plug in the tablet, it will find the default settings.