Turn on your computer. Quickly press the key that opens the BIOS menu while the computer is booting. The key varies based on your laptop. HP laptops, for example, open BIOS with the "F10" key.

If you chose Device settings: select your touchpad and click enable/disable according to your preferences. Click Apply to confirm. Unlock the touchpad with keyboard: To unlock the touchpad, try one of ...

HP notebook computers work similarly to Dell laptops: You'll need to press an assigned Function key (which could be F5, F4, or F11) with or without pressing the Fn key as well.