Restart the laptop
Check if the touchpad is enabled with the function key
Turn on the touchpad in Settings
Enable the touchpad in Device Manager
Update or reinstall the touchpad driver
Check for Windows updates
Uninstall recent software that may conflict
Clean the touchpad surface
Disconnect external mouse devices
Check BIOS or UEFI settings for touchpad options
Run the laptop manufacturer’s diagnostic tool
Reset touchpad settings to default
Perform a system restore if the issue started recently
Contact the laptop manufacturer or a repair technician