MacBook Pro Keyboard and Mouse Stopped Working

Hardware
1

The integrated keyboard and trackpad on my usually 100% reliable late 2015 MacBookPro stopped working suddenly. The MacBook still functions perfectly with an extended USB cable keyboard and a magic mouse.
I have not deliberately made any settings changes and cannot find anything that explains the sudden loss of function.
Can anyone suggest a solution?

My main computer is a late 2020 iMac, and only the MacBook when I travelled a lot. I now travel very little, but visited South Africa for a month shortly after the MacBook problem developed. This forced me to use my iPad for “serious” work, and not just reading and watching videos. I needed to make many changes to my iPad set-up and my way of using it, but achieved everything I needed with it while away from home. I will try to write a not about it.

2

That’s probably a hardware break, unfortunately. I would have it looked at. Hopefully it’s just a problem with the keyboard or trackpad hardware and not the logic board. They’ll do software tests and resets, too, to rule that out.

3

Thank you cornchip.
The problem persists. Now the seasonal festivities are over I will arrange a check. The upside is that it forced me to use my iPad when travelling, which in turn made me change the set up and the way I used it. Since then I have had greatly improved value out of my iPad for serious work rather than watching videos and reading.
Happy New Year.

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