Suspension on my laptop (closing the lid) causes Wifi to not be available.
Hi, this is a long lasting problem that I didn't really manage to fix when I started using linux (Mint, Cinnamon). But now that I've been using it regularly for half a year and I have more experience in fiddling around, I'm trying to get it resolved.
Whenever I suspend the laptop (or close the lid, which does it automatically) the Wifi and sometimes an external monitor don't work anymore, I don't know what the problem is. The wifi is fixed by powering on and off again. To fix the monitor sometimes even powering off and on again didn't fix it, I usually waited for the next day and it worked again.
I've no idea of how to fix this (Linux Mint forums didn't help at the time)
Laptop is an MSI GS65-Stealth-Thin-8RF running Linux Mint, with Cinnamon Desktop
Is your laptop, by any chance, an HP? I had the same issue with wifi and finally, after about a year of frustration, found the solution HERE. To save a click, here's the part that worked for me, with the disclaimer that I don't honestly know how this works, but by the time I found it I was frustrated enough to run random code from the internet with sudo privileges on my main machine: