Touchpad is working when laptop is switched on

When ever I on my laptop it's starts perfectly but after within seconds it's courser of trackpad automatically off and don't responds. When I use it through screen directly it works because it has touch screen. But courser still not working until i restart my laptop . And if i restart my laptop there is again not working of courser after some seconds.

So how can I fix this please 🥺 give me a solution