Please note this is different than clearing your browser cache.  This is one step further.

Google Chrome

1. Open the Google Chrome browser.
2. Click the  icon in the upper-right corner of the browser window.
3. In the drop-down menu that appears, select Settings.

4. On the left side of the screen, click Advanced to expand the menu, then click Reset and clean up.

5. In the Reset and clean up section, click the Restore settings to their original defaults option.

6. Click the Reset settings button in the pop-up window to confirm your choice.

Mozilla Firefox

1. Open the Firefox browser.
2. In the upper-right corner of the browser window, click the Open menu  icon.
3. In the drop-down menu, select Help.

4. Select Troubleshooting Information from the expanded menu.

5. Near the top-right of the page, under Give Firefox a tune up, click the Refresh Firefox button.

6. Click the Refresh Firefox button in the prompt window to confirm your choice.

Microsoft Edge

1. Open the Microsoft Edge browser.
2. Click the Settings and more icon  in the upper-right corner of the browser window.
3. In the drop-down menu that appears, select Settings.

4. Under the Settings section on the left, click Reset settings.

5. Under the Reset settings section, click Restore settings to their default values.

6. When prompted, click the Reset button to confirm your choice.