Lenovo Ideapad 5 15ITL05 512GB SSD Graphite Grey Laptop

Lenovo Ideapad 5 15ITL05 Laptop. Storage 512GB SSD. Graphite Grey. I've never used the touchpad, always a wired mouse. Google says that the Windows 11 upgrade can affect the touchpad. I have now idea how to rectify the problem, beyond my capability.