Hello, how are you?
Welcome to the Microsoft Community!
My name is Paloma B., I'm an independent advisor, I'm here to help you in the best possible way.
I understand that you have problems with your laptop's touchpad.
Please perform the checks below and after check if the problem persists.
First of all I recommend that you perform a check for Windows updates using the tool below.
Download it and run it, if you have an update, please do so.
https://go.microsoft.com/fwlink/?LinkID=799445
After finishing, run the manufacturer's tool please to check the hardware, if your updates also install them please.
https://download.lenovo.com/pccbbs/thinkvantage...
After finishing, restart the computer and please check if the problem persists.
I await news.
If these procedures helped you in any way, please click on "I solved my problem" and also mark as an answer, so you can help others users.
We will always be available for whatever you need!