You can reset NetcamViewer Monitor to the original factory default settings without username and password by entering the URL shown below in a web browser that is able to acces the unit. You need to disconnect the HDMI cable from the unit and NetcamViewer Monitor must be configured for display via HDMI.
Replace [IP-ADDRESS] with the IP address or host name of your NetcamViewer Monitor.
When succesful, NetcamViewer Monitor will restart and display its IP address on the monitor.
NOTE: YOU WILL LOSE ALL SETTINGS. THIS CANNOT BE UNDONE.