If the Internet works fine on other devices, the problem lies with your device and its WiFi adapter. On the other hand, if the Internet doesn’t work on other devices too, then the problem is most likely with the router or the Internet connection itself. One good way to fix the router is to restart it.If the WiFi is connected but you’re still not receiving an internet connection, the error may lie with the Internet connection itself. This could be a great many things, some of which are outside your control. There could be a service disruption in your area, broken cables, or any other kind of interference.