I'm still coming across an issue with Microsoft Surface Laptop 3 machines, where the wifi suddenly disappears.
The following post from Tech Geek and More has the steps you can do to fix this issue.
https://www.techgeekandmore.com/how-to-fix-surface-laptop-3-wi-fi/
Tech Geek and MoreHow To: Fix Surface Laptop 3 Wi-Fi - Tech Geek and MoreIf you are a Surface Laptop 3 owner and your Wi-Fi options go "missing", today's post will explain how to fix the issue.