Hi, Octodonk!
Thanks for reaching out to Microsoft Community and posting your inquiry. I like your sample there, it is indeed a good day to wear pants. Back to your concern, we're sorry that the issue is still happening on your Surface Book 3 even after performing a full reset on it. I am afraid that this is a hardware issue. We understand that the warranty, kindly Contact Microsoft Support right away to see replacement options that may be available. If you are outside the US, please check this page to know the number for your country in our list of Global Customer Service phone numbers.
We hope this helps you out. Otherwise, don't hesitate to respond to this thread if there’s anything else that needs to be addressed.
Kind regards,
Janette_Z