cannot connect my laptop to chromecast

[AC Question]

it was previously working but for some reason it has stopped working,not sure what went wrong.
i can still connect my ipad to chrome cast

 

[B. Diddy]

Welcome to Android Central! Can you give more details? Can you still see the Cast icon on your Chromebook? Are you trying to cast a whole Chrome tab, or are you using an app like Google Play Movies? Have you already tried rebooting both the Chromebook and the Chromecast?