Among the usual symptoms would include but not limited to slow Internet browsing, intermittent Internet connection or no Internet connection at all. When this happens, various types of Internet problems arise on all connected devices. Like many other devices, modems and routers also encounter random firmware crashes. The main source of your Internet connection is the network equipment either a wireless router or modem (depending on your Internet setup). First solution: Reboot (power cycle) the modem or router. Otherwise, try eliminating other possible triggers by applying these subsequent solutions. You can contact your Internet service provider to verify the current network status, is necessary. Temporary network outages are usually the underlying cause if all devices are experiencing the same problem and that they’re all connected to the same network. How to fix macOS Mojave WiFi problems on your Macīefore troubleshooting, verify and ensure that there are no ongoing outages in your place.