Those lights on your router or cable modem aren't just there for show. They convey information about the status of your internet connection. Here's how you can use them to troubleshoot problems.

the Pixel 7 will display the connection strength. Sometimes, it’s as strong as it can be, though it still has no internet access, displaying a small exclamation mark next to the signal symbol.

You might see an icon with “5G” and another with vertical bars showing the strength of your internet connection. Those symbols don’t mean what you think they do. If your phone shows “5G ...