Shut down the laptop and unplug it
Remove any external mouse or accessories
Wipe the touchpad with a dry microfiber cloth
Lightly dampen the cloth with water or 70% isopropyl alcohol if needed
Gently clean the touchpad surface in small circular motions
Use a cotton swab for edges and corners
Avoid spraying liquid directly on the laptop
Do not let moisture enter gaps around the touchpad
Dry the touchpad with a clean microfiber cloth
Wait until the surface is completely dry before turning the laptop back on