Troubleshooting Home Wireless Connectivity
Confirm your chromebook is connecting to your home network.
At the bottom right, select the time.
Select Not Connected .
Note: If you see your Wi-Fi network name and a signal strength, your Chromebook is already connected to Wi-Fi.Click the toggle switch to turn on Wi-Fi.
Your Chromebook will automatically look for available networks and show them to you in a list.
Reset the network settings by "Forget a network."
Sign in to your Chromebook.
At the bottom right, select the time.
Select Settings .
In the "Network" section, select Wi-Fi.
Select Known networks.
Find the network you want to forget, then select More > Forget.
Make sure your Chromebooks have the latest Chrome OS
Sign into your Chromebook.
At the bottom right, select the time.
Select Settings (gear icon).
At the bottom of the left panel, select About Chrome OS.
Under "Google Chrome OS," you'll find which version of the Chrome operating system your Chromebook uses.
Select Check for updates.
If your Chromebook finds a software update, it will start to download automatically.
Run the Chrome Connectivity Diagnostics App
Sign into your chromebook.
Go to the Chrome Webstore and search for "Chrome Connectivity Diagnostics" or click here for the dirct link.
Run the app and review the results.
Keep calm and reboot.
Turn your Chromebook off
Turn the modem off
Turn off the router if you have a separate one.
Wait a good minute or two,
Begin rebooting your devices in the order below:
Modem,
Router
Chromebook
Test the wired network
If none of your other devices can connect to the Internet through Wi-Fi, there may be some other problem with your router. To test this, you’ll have to try connecting your Chromebook—or another computer—to the router the old-fashioned way: with an ethernet cable.
Additional Resources
https://www.chromestory.com/2020/01/chromebook-settings/