Launch Chrome and click the three dots in the top-right corner.
Select Settingsfrom the menu.
Go to the Reset Settings tab.
Click Restore Settings to Their Original Defaults.
Review the information about the reset, noting that it will disable extensions and delete cookies, but won’t affect bookmarks, history, or saved passwords.
Click Reset Settingsto proceed or Cancel if you decide not to reset.
After resetting, your Chrome settings will revert to default, and any custom themes will be removed, but your bookmarks will remain intact.