Chromebook is a powerful device, which runs on a Linux based Operating System of Chrome. But sometimes, Chromebook cannot detect the Wi-Fi and fails to link to any applicable network. So, if you are facing the same issue, then here are some fixes given below.

Check the Connection of Wi-Fi

  1. First of all, go to the bottom right side of the screen and select the ‘Quick Settings’ option.
  2. After that, it can say ‘Connected to your name.’
  3. You should attempt detaching by selecting the Network option.
  4. Thereafter, select the Disconnect button.
  5. Then you have to reconnect.
  6. Alternatively, take an Ethernet cord rather than the router cord to improve the connection.
  7. Optionally, select the button of ‘Not connected’ option.
  8. Afterwards, choose the network.
  9. Now, you should input the details and then choose Connect.

Source By : https://directory-nation.com/blog/how-to-restore-a-wi-fi-connection-for-the-chromebook/

Reboot Router and Chromebook 

Firstly, turn off the Chromebook and router to force a proper power cycle. It should fix any connectivity glitches that might have to happen once you shut down the device.

Delete All Desired Networks

  1. Navigate to the browser on your system.
  2. After that, input ‘chrome://settings/clearBrowserData’ into it and delete cached data and cookies.
  3. Thereafter, insert ‘chrome://settings’ into it and hit the Enter key.
  4. Then choose the network that shows there.
  5. You should click on the ‘Preferred Networks’ option.
  6. Now, remove each applicable network and then click on the Done button.

Perform Chrome Connectivity Diagnostics Applications

The ‘Chrome Connectivity Diagnostics’ application is a Chrome extension that should be utilized to fix whatever issue the device might recognize instantly. It looks for connectivity too, so if there is a problem here, you will be informed of why and effective fixes.

Reset Profile Settings

  1. Navigate to the web browser on your system.
  2. After that, input ‘chrome://settings/resetprofilesettings’ into it and select the OK button.
  3. Now, select the Reset button.

Complete Reset Chromebook

  1. Hold the ‘CTRL + Alt + Shift + R’ buttons altogether over the keyboard.
  2. After that, click on the Restart button.
  3. You should select the Powerwash option.
  4. Later select the Continue button.
  5. Now, pursue the pop-up to finish the operation.