Here’s a list of things to try if your touchpad is malfunctioning:

1. Check that your touchpad is plugged in and connected to your device.
2. Make sure your touchpad is enabled in your device’s settings.
3. Update your device driver if available.
4. Check if you have any optional updates or patches available.
5. Try using an external mouse to see if the issue persists.
6. Remove any recently installed software that may be causing a conflict.
7. Restart your device.
8. If possible, try using your device’s Recovery or Reset solutions.