Here are the steps to clear the browsing history on a Chromebook:
- On your computer, open Chrome.
- At the top-right, click the button.
- Click More tools Clear browsing data.
- At the top, select All time for the time range.
- Next to ‘Browser history’, ‘Cookies and other site data’, and ‘Cached images and files’, tick the boxes.
- Click Clear data.
- Restart your Chrombook/Chrome browser.