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| Malfunction No Touch Effect |
| Indicator Status Indicator keeps flashing (about 2 seconds) after booting up then goes off. Keeps on flashing on touch of the finger,and goes off on release of the finger |
| Estimation Hardware of the touch system runs well |
| Trouble Analysis 1：Is the driver installed correctly? 2：Is the serial port of the computer available for use? 3：Is the serial port connected consistent with that configured by the program? 4：Is there an error prompt in the operation system? |
| Solutions 1. Uninstall the driver and then install the newest one. 2. Check whether the serial ports connection and serial port configuration of the driver run well or not. 3. Check whether the configuration of the computer's mainboard and serial port configuration of the driver run well or not |