Click Settings. Select Search Engine. Select the engine of your choice from the list of search engines in the drop-down menu. If the browser search engine keeps resetting back to Bing despite that, you'll need to remove the adware or malware responsible.

If Google is your default search engine, but every search query you type on it is redirected to Bing, then definitely a browser hijacker has compromised your system. As mentioned in the previous section, the browser hijacker might have altered your system settings, and that’s the reason the search query is redirected to Bing without your permission. How to Remove Bing from Chrome?