Nothing Displays On Screen (Screen Is Black, Color Of Led Is Green) - LiteOn B17AAU Service Manual

2. Nothing displays on screen (Screen is black, color of LED is green)

Is backlight lit?
O K
Does computer output RGB video signals?
O K
Check OSM menu is displayed on screen
when you push the "PROCEED" key.
O K
Proceed "Abnormal screen" section.
Page 2
N G Refer "Checking the backlight unit" section
Check the video cable for failure. Check the host for
output signal with all black only.
1) Change pattern of video signal output on the
host.
N G
2) Reconnect the video cable.
3) Change the video cable.
Check if the LCD video signal cable is connected
N G
between the MAIN PWB and LCD module.
B17AAU / B17ANU / B17AAY
N G
O K
Next Page
Failure Point
The Cable is disconnected.
Trouble Shooting