Firmware problems can be solved by upgrading the firmware. There is something wrong with the screen line or it is loose. Contact the after-sales inspection cable. There is something wrong with the screen quality, which belongs to hardware failure. You need to contact the after-sales department for detailed inspection and maintenance.
Hanwang Handwriting Computer is a tablet computer. The customized version of Hanwang input method supports simple and complex English-Chinese line recognition input and integrates Chinese and English character patent technology; Adopt the unique ERT electromagnetic screen and electromagnetic pen technology of Hanwang; Capacitive electromagnetic dual-mode input, 1024 pressure sensing; Pre-installed 1000 latest books and 30 latest color magazines; Hanwang Bookstore is rich in books, newspapers and magazines. Hanwang Application Mall has nearly 1 10,000 applications.