To reset chrome settings:
Steps:
1. Chrome browser > click the More icon (with three lines or dots) in the upper-right corner > select Settings.
2. Click on the Show advanced settings... link.
3. Click on the Reset settings button.
If the More icon is missing, access settings using following link:
chrome://settings/


To see all chrome-urls, use link:
chrome://chrome-urls/
For more information on resetting chrome, see here.
Chrome: Disabling notifications for a website:
Steps:
1. Chrome > open settings > Select Security and privacy > Site settings.
2. Open website > Under Permissions > Notifications, select Block from dropdown list.
Eg: disabling notifications:

To show Bookmark Bar:
Toggle on 'Show bookmark bar' in chrome settings:
Eg:

Missing Chrome Google search bar:
If your Chrome Google search bar is missing, it's likely due to a change in settings or an extension interfering with the browser.

To fix this, you can check your search engine settings or disable extensions that might be causing the problem.
Here's a step-by-step guide to fixing a missing search bar in Chrome:
Check Search Engine Settings:
Steps:
1. Open Chrome and click the three dots (More) in the top right corner.
2. Select Settings.
3. Go to Search engine on the left side.
4. Ensure Search engine used in the address bar is set to Google.
If it's not set to Google, change it and see if the search bar reappears.
For more information, see here.