How to reset Microsoft Edge settings: 

Step 1: Go to your Start Menu.

Step 2: Type "inetcpl.cpl" in the Start Menu search box and click on the control panel item that pops up.

 

Step 3: Click on the Advanced tab.

Step 4: Click "Reset".
 
 
Step 5: Check the box "Delete Personal Settings" and click "Reset".
 
 
When Edge finishes restoring the settings, click [Close], and then click [OK].