From Notifications/Mechanisms/DESKTOP/, click the View Devices button.This button opens a separate page where you can view a list of all of the desktop devices that have registered with your Dashboard. You can sort the list by a number of criteria.
Ping All Devices
This tool allows you to check the connection status of all of your devices.
View Details
View more information about a particular device, and send a test notification to the device if it's connected. You can also delete the device from here.