Most laptops have a touchpad toggle key. The cursor often reappears immediately. A simple restart can fix many problems.

First, let's ensure the two-finger scrolling option is enabled. Go to "Settings" > "Devices" > "touchpad" and make sure the "Two-finger scrolling" feature is turned on. Outdated or incompatible ...

The touchpad’s switch on the keyboard might be switched OFF. The touchpad’s drivers might be obsolete. The settings of the touchpad might have changed. Please connect an external mouse to your system ...