Nothing Displays On Screen (Screen Is Black, Color Of Led Is Green) - HP f1723 Service Manual

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

Is backlight lit?
OK
Does computer output RGB video signals?
OK
Check OSM menu is displayed on screen
when you push the "MENU" key.
OK
Proceed "Abnormal screen" section.
Page 14
NG Refer "Checking the backlight unit" section
1) Change pattern of video signal output on the
host.
NG 2) Reconnect the video cable.
3) Change the video cable.
Check if the signal cable is connected between the
NG
MAIN PWB and LCD module.
f1723 / FP7317 / L1702 / vf17 / FP17
NG
OK
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Failure Point
The Cable is disconnected.