@sdetweil thanks! This looks great and very helpful. Is there a way to get that script onto this page? That’s where I saw the update instructions and tried my (noob) best from there

In case anyone else is facing this problem, here is the fix I found (using tips from some of the other threads, including from @sdetweil - thank you). This probably isn’t the ‘best’ or ‘right’ solution as I’m very new to all of this: I’m writing it down to help other similarly inexperienced folks.

After running git pull && npm install in my MagicMirror folder, the mirror would no longer start, either on boot or when started from the terminal.

I use some of the non-default modules (Boston MBTA and DarkSky weather). To make it work I had to also run npm install in the modules folder and in the config folder. After that is works fine.