Sony vaio no onboard display

[ravi_1617]

Sony MBX-239
This board does not have onboard led display or light. but has external display.
board don't take any driver intel or ati.
but they are shown in device manager.
reflowed gpu same condition...
replaced gpu ATI 216-0810005 with ATI 216-0833000
same condition.
.are these to compatible i had posted before.but not cleared.
Thanks

[ravi_1617]

Re: Sony vaio no onboard display

No one to respond or my question is not clear

[ravi_1617]

Re: Sony vaio no onboard display

flashed bios also no improvement....

[Blacktek]

Re: Sony vaio no onboard display

check your led screen and your led cable, even the led display connector

[Joseph cauchi]

Re: Sony vaio no onboard display

Ravi 1617
If you have a picture on external most probably is the back light or the inverter board.

[ravi_1617]

Re: Sony vaio no onboard display

Thanks for Reply
but it doesn't has inverter its LED 15.6 screen. Regarding display cable 2 wire are broken but they are connected to ground point.
I have tried many screen ,non of them shows either display or light.
But strange thing is its own broken screen display comes with white lines .

Thanks

[dj_ricoh]

Re: Sony vaio no onboard display

Thanks for Reply
but it doesn't has inverter its LED 15.6 screen. Regarding display cable 2 wire are broken but they are connected to ground point.
I have tried many screen ,non of them shows either display or light.
But strange thing is its own broken screen display comes with white lines .

Thanks

post a picture.
had a samsung last week and did lines on screen.

turn out to be liquid dmg on HDD socket.

[gcomputers]

Re: Sony vaio no onboard display

I just fixed one Vaio 71311m with no light , look down lcd connector vaio have one fuse also check around it if have any mosfet shorted.
My vaio have one mosfet burned and fuse burned changed mosfet and fuse all OK .

[ravi_1617]

Re: Sony vaio no onboard display

Thanks
I allready replaced mosfet & fuse was also found blown
in the begning i replaced it

[ravi_1617]

Re: Sony vaio no onboard display

again reballed ATI 216-0810005 .its old gpu .
than seen board is taking display driver both ati&intel.
but display is not there as it was.
Its old screen has display with white line..
Any one has pin out for this mbx-239

[badcaphunter]

Re: Sony vaio no onboard display

use a torch on the laptop screen to see if u have picture

[Badboy17pt]

Re: Sony vaio no onboard display

i need help i have a vaio fit 15a flip back light not working i can see image under a flash light can some one help me find the fuse thanks in advance