How do I fix a malfunctioning touch screen?

1. Soft Reset: Perform a soft reset by turning the device off and on again. Any loose connections or temporary glitches can be cleared after this.

2. Check the Connectors: Make sure all the connections between the touch screen and the motherboard are tight.

3. Clean the Touchscreen: Use a soft cloth to clean off dust and fingerprints. Make sure to use an appropriate cleaner.

4. Check the Software: Make sure that the touch screen is compatible with the system’s operating system. If any updates are available, install them. Additionally, update the compatible drivers.

5. Hardware Troubleshooting: For a touch screen that is not responding, check the software and replace the hardware if needed.