Some older HP laptops include a dedicated switch next to the touchpad to toggle it on and off. You'll spot it through its indicator light—yellow, orange, or blue means the touchpad is locked.

One device in particular, the HP TouchPad, was released just a month before webOS went under and is still a favorite among hackers — giving the device the kind of love that HP never could.

One device in particular, the HP TouchPad, was released just a month before webOS went under and is still a favorite among hackers — giving the device the kind of love that HP never could.