78Symptoms ActionNo powerIf the power LED is not illuminated, check the items below.- Check the power cord connection to the wall outlet.- Check to power cord connection to the DVR.No Camera Image- Check video cable connection to the DVR.- Check the monitor connection to the DVR.- Check the camera power connection.- Restart the DVR in case of possible boot error .- Restore default configuration settings.※ How to restore default configuration settings.1. Main Menu > Configuration > Load default > O.K > O.K!! Caution: DVR will be set to factory default, back up any importantconfiguration settings before restoring default settings.No mouse control- USB mouse (USB 2.0 Supported)- Mouse should be connected to mouse USB port.- Reset USB device in settings menu.No recordingIf the recording LED does not flicker, check the below items.- HDD could be full.- Reformat HDD or change the HDD OVERWRITE setting to ON.- Check the recording setup.- Replace the HDD due to failure.No network connectionIf the network LED does not flicker, check the below items.- Check the connected hub or router.- Check the network cable and connection.- Check the network setup.8. APPENDIX8.5 Trouble Shooting