my internet suddenly stopped working, other devices work from this wi-fi. I also tried to connect to an iPhone, there is a connection, but the Internet connection does not work. what could be the problem?
MacBook Air 13″, macOS 11.6
If your Mac doesn't connect to the Internet over Wi-Fi - Apple Support offers some suggestions, but start with the basics first: power down your router and (assuming it is a separate device) your cable modem. Unplug their power cords and wait a moment. Then, plug them in again and let them restart.
While you wait, you might as well restart your Mac.
there is a wifi connection there is no internet
