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Q: Touchscreen no response. Mouse curser no move during touch.

1: Check if right driver is installed and install a right driver
2:Check if COM port selected in program is the right one in use, and set program COM port as the one in      use.
3.Check if the COM port or USB port is availabel by a serial or USB interface mouse.
4. Check if there is other device or program possess the COM port.
5. Check if driver is in proper setting, or reinstall driver.

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