There is no monitor output screen.

Check the voltage selector for the right position( 110V or 220V ).
Unplug the power cord and check the fuses for disconnection.
In all initial processes, check the LED lights to check the NTSC/PAL setting.
Check all cables connected to output terminals.

Hanwha Vision is the leader in global video surveillance with the world's best optical design / manufacturing technology and image processing technology focusing on video surveillance business for 30 years since 1990.