NEC AccuSync LCD71VM - No Display on Screen (Screen Is Black, LED Is Green)

6-3
2. No Displays on Screen (Screen is Black, LED is Green)
NG
OK
NG
OK
OK
NG
NG
OK
Is backlight lit?
Refer to section 3
“Checking the BackLight Unit.
Does computer output RGB
video signals?
1) Change pattern of video signal output on the host.
2) Reconnect the video cable.
3) Change the video cable.
Check OSM menu is displayed on screen
when you push the” AUTO/RESET”,
“+”, ”-”, ”SELECT” Key.
Failure point
The cable is disconnected.
Next page
Proceed section 4
“Abnormal screen “.
Check the video cable for failure.
Check the host for output signal with all black only.
Check if the LCD video signal cable is connected
between the MAIN board and LCD module.