If you haven't updated the driver for your laptop's touchpad lately, you may want to think about doing so, particularly if your laptop has a Synaptics touchpad. As a user on Hardware Zone forums ...

We suggest starting with a simple double-tap in the top-left corner of the touchpad This should work if your laptop has a Synaptics Touchpad. It’s unlocked when the light in the corner of the touchpad ...

Flaws in software often offer a potential path for attackers to install malicious software, but you wouldn’t necessarily expect a hardware vendor to include potentially malicious software built right ...