lenovo v580c need schematic and help!

[s.m.hosein]

v580c
la58 mb
i have display on hdmi port but the laptop screen have only backlight on and no data
the lvds cable and screen tested but the problem still there
first i need the schematic
but the question is could be the problem the nvidia n13m chip?
i doubt on that because the intel vga is there and when the laptop turned on the intel vga should do the things also i have display on hdmi

[s.m.hosein]

Re: lenovo v580c need schematic and help!

come on guys
any idea or help would be great

[tomodachi]

Re: lenovo v580c need schematic and help!

not the similar issue here, but I need schematic too

[caspian]

Re: lenovo v580c need schematic and help!

I found out that Lenovo v580c, B580, B590, and B490 have similar mainboards. I guess their schematics can be used interchangeably.
I have attached the one that I found. You have to check it yourself to see whether this schematics file is compatible to your mainboard or not.

[adnan]

Re: lenovo v580c need schematic and help!

Thanks