Ravinderakansal78
Registered
i have hp g4 witch have r23 mother bord . i is only white display . please tall me solution of it .
Technical Support hp g4 r23
- Thread starter Ravinderakansal78
- Start date
do you test with crt ??( disconnect lvds cable from motherboard and connect crt cable to external monitor and test )
do you replace led panel ??
do you test lvds cable ??
Ravinderakansal78
Registered
yes i have done it .
change display
change display cable .lvds cable.
when i test it on my led by VGA cable . then display is coming on my external led tv.
change display
change display cable .lvds cable.
when i test it on my led by VGA cable . then display is coming on my external led tv.
do you test with hdmi cable ???
Ravinderakansal78
Registered
ON VGA CABLE DISPLAY IS OK .
ON HDMI NOT OK
ON HDMI NOT OK
ok , If you are sure of lvds cable health .
so I guess that apu chip have problem . as you see in schematic diagram , hdmi and lvds signal come from apu and crt signal come from fch .
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