Trackpad not recognised in system settings

brianfromarklow wrote:

Has anyone ever found a solution to this known issue?

Is your trackpad functioning???

You do not say what exact Mac /model /year /size /retina /touchbar is this — internal Trackpad (?)

or

what exact macOS you are currently running?

Have you Tried resetting NVRAM/PRAM http://support.apple.com/kb/ht1379

ref: If your Apple wireless mouse, keyboard, or trackpad isn't working