No Display Of Screen (Screen Is Black, Color Of Led Is Amber) - HP R15AAC Service Manual

R15AAC/AAU (vs15)
3.

No display of screen (Screen is black, color of LED is amber)

Does OSM display when you push
PROCEED buttom.
No Proceed "No OSM display" section.
When a sugnal isn't being inputed, it is
indicated with "VIDEO INPUT". it is
indicated with "OUT OIF RANGE" at the Yes
time of the frequency that it can't be
distinguished.
Check if the sync signal from computer is
output and if the video cable is connected
normally. (VGA or DVI)
NG Input the sync signal of computer.
OK
Proceed "checking the resolution change IC
movement" section.
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