Sounds stupid, I saw advice on the internet that the solution to a failed camera in my Tesla was to get out of the car, open and close all the doors, then get back in again and try going. Theory was that a firmware bug was responsible, would not do Autopilot because it thought there was an open door. I wonder if they were pulling my leg.
(That didn’t work. The camera started working again an hour later… and it never did not work, as the screen showed it could see vehicles ahead of and beside me even as the Autopilot warned it was not available because the camera was not working. And it did this 3 times in the course of a 2-day road trip. Ah, computers… But for the rest of 4,000km it was nice to have the car driving for me, a lot less stressful.)
For diagnosing problems -
Open a DOS command prompt (CMD.exe) try this:
Ping 8.8.8.8 - that will tell you if it can reach the internet. (That’s google’s DNS server)
Ping yahoo.com that will tell you if DNS works, if the computer can talk to a DNS server which will tell it the IP address of yahoo.com.
For each ping, you should get a response saying the ping succeeded.
The short answer, decades ago when I studied for the Microsoft certification was:
“The answer to any question is NOT reboot to fix, unless MS documentation says explicitly reboot.
However, in real life, reboot is the first thing you should try.”