In Google Chrome
Open Chrome browser.
Click on the three dots button on the top right corner.
Click on the Settings -> Privacy and security -> Site settings -> select the website (in your case this should be epos.erply.com).
From the list of actions find the “Window management” and on the right side please select “Allow” option.
Close settings and navigate back to the POS screen.
Refresh the POS and now you are able to select the screen for the Customer Display:
