You can also try searching for a solution using the term 'Google assistant not working.' Check your language settings Check Twitter, Reddit, and Google's support forums to see if other users are complaining about 'OK Google' not working or 'Google Voice' not working. There have been occasions when people have noticed that the problem is on Google's side rather than yours. It's always good to know if the problem you're facing is affecting just you. Also, and this is probably the oldest advice in the book, it never hurts to do a quick reboot – sometimes magic really does happen.
This may be stating the obvious, but for most uses, Google Assistant does need Wi-Fi or mobile data to operate, so make sure your device is connected before you try a search. Make sure you're connected to the internet
Before we try out some of the more difficult steps, let us try a few basic ones to solve your 'OK Google not working' issue. And that is exactly what we want to do here. The solution could be something very basic. Sometimes you do not need to perform long-drawn, complex troubleshooting steps to fix a nagging issue.