Troubleshooting a malfunctioning touchpad on a Dejavoo Z11 card terminal. Includes diagnostics, solutions, and preventative maintenance for optimal performance.
Isopropyl alcohol on a lint-free cloth. Avoid excessive moisture.
Contact Dejavoo support or visit their official website.
Unresponsive touch, erratic behavior, or complete failure of the touchpad.
Touchpad functionality relies on capacitive sensing. Degradation can occur due to electrostatic discharge (ESD), signal interference from nearby electronic devices, or physical contamination affecting capacitance readings. Touchpad controller operates via I2C or SPI protocol. High resistance in the cable connector, or power fluctuation can cause intermittent failure.
Regularly clean the touchpad surface with a soft, dry cloth. Use a stylus designed for capacitive touchscreens to minimize direct contact. Ensure proper grounding to reduce the risk of ESD. Implement cable strain relief to prevent damage to the touchpad cable and connector.
Try using a different stylus designed for capacitive touchscreens to rule out stylus-related issues. Check the device logs (if accessible) for any error messages related to the touchpad driver. In some cases, a factory reset (if available) can resolve software-related glitches. Note: Factory reset may erase sensitive information, check with vendor or client before doing so.