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    #1

    sony vaio vpcf115fm disply problem

    I replaced my Sony VAIO vpcf115fm motherboard (M930 main board 1P-009BJ00-8012 REV 1.2 MBX-215)
    I bought the motherboard fromthis page:
    http://www.aliexpress.com/snapshot/3..._3640576&vd=30

    but im having a problem ,I don't get any image on my laptop screen even on starup I don't see nothing (even the vaio logo),
    I can get an image only if I connect an external display via VGA port but I can see the boot and evrething on the external screen only.the laptop display doesn't show nothing.
    I tried to play with the FN+F7 keys to choose display but it don't effect nothing...
    It looks thet the laptop do not know that the original laptop screen connected.

    things i tried:
    1. enter to boot -but there's no option of choosing screen.
    2. play with the FN+F7 keys to choose display but it don't effect nothing...

    I read online that maybe I need to update the video BIOS and ill need to "tell" the chipset that is a screen (the laptop screen) conected to hes ports


    There is a setup that I need to do for a new motherboard?
    how i can fix my problem?

    please help
    Tags: None
    #2
    Re: sony vaio vpcf115fm disply problem

    See if SW1, (PANEL ID) are setting properly.

    Comment

      #3
      Re: sony vaio vpcf115fm disply problem

      someone help please ?

      Comment

        #4
        Re: sony vaio vpcf115fm disply problem

        Originally posted by Francisco.s View Post
        See if SW1, (PANEL ID) are setting properly.
        i did the SW1 setting as the original motherboard ("01000")

        can be somthing alse?

        Comment

          #5
          Re: sony vaio vpcf115fm disply problem

          Try to exchange bios chip from old motherboard.

          Comment

            #6
            Re: sony vaio vpcf115fm disply problem

            Originally posted by Pragmatiko View Post
            Try to exchange bios chip from old motherboard.
            you think its a BIOS firmware problem or hardware?

            (if its a firmware maybe i can upgrade thr firmware?)
            but if its hardware its a diffrent store?

            B.T.W i checked the new motherboard with EVEREST program and its same that the laptop dosent detect the laptop screen

            Comment

              #7
              Re: sony vaio vpcf115fm disply problem

              Why did you change the mainboard?
              Is the lcd panel 100% working?

              Comment

                #8
                Re: sony vaio vpcf115fm disply problem

                Originally posted by khaahk View Post
                Why did you change the mainboard?
                Is the lcd panel 100% working?
                yes, the lcd works 100%

                I replaced the old board because he had a problem It works great at bootup (i see video on the LCD) What is the opening 'windows image show on the screen the fan start to speed up and the leptop is suddenly turned off

                I took the laptop to be checked by a computer technician and he told me that he thought there graphics card problem.... so I bought a new board

                but now with the new board i have a new problem i can onl get video on external display...

                how can i solve it?

                thanks

                Comment

                  #9
                  Re: sony vaio vpcf115fm disply problem

                  check your lvcd cable and screen panal and make sure that both are working

                  Comment

                    #10
                    Re: sony vaio vpcf115fm disply problem

                    Originally posted by alihomee View Post
                    check your lvcd cable and screen panal and make sure that both are working
                    i check both of them.....when i connect my old mother board i get a video on the laptop screen (=so the cable and the lcd are ok)

                    what more can i do?

                    Comment

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