At the bottom of the phone check to ensure the network cable is plugged securely into the back of the phone in the port with tree branch symbol. Trace the cable to the wall or floor outlet to ensure the cable is plugged in securely. Also, you can reseat the cable into the back of the phone to restore power; the ethernet cable that is plugged into the back of the phone with the computer symbol is the connection to the phone and docking station; this cable can be reseated as well to ensure connectivity. Once, the network cable is plugged into the phone it takes 2-3 mins to reboot the phone and the display should be visible.