The first thing you need to do (if you are not connecting wirelessly) is to make sure that your network cable is connected from the modem or router (given by your internet provider) to the back of your computer. This is very important as it could save you a lot of time and effort trying to fix something that wasnt broken in the first place.
HP PCs - Troubleshooting Your Wireless Network and
Mar 10, 2018 Answered: Sky+ Box won't connect to the internet/router
Why is my Canary offline? – Canary Help Center A flashing red light indicates that Canary lost its connection to the Wi-Fi network. If you connect Canary to a Wi-Fi network, please try moving Canary closer to your router, and confirm that you have an active internet connection by attempting to access the internet using another device on your network.