Reset Chrome settings to default

From https://support.google.com/chrome/answer/3296214?hl=en

You can restore your browser settings in Chrome at any time. You might need to do this if apps or extensions you installed changed your settings without your knowledge. Your saved bookmarks and passwords won't be cleared or changed.

1. On your computer, open Chrome.
2. At the top right, click More    Settings.
3. At the bottom, click Show advanced settings.
4. Under the section "Reset settings,” click Reset settings.
5. In the box that appears, click Reset. ​