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Lenovo Ideapad Y570 - force to use external screen

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    Lenovo Ideapad Y570 - force to use external screen

    Hello.
    Have this gaming laptop that have ripped off both hinges. i cannot find both top and botoom case so i want to use it as "PC"

    in bios is only video - LCD only or AUTOSELECT

    but when i use autoselect without lcd it still not working on VGA or HDMI

    is there a way to force it to use external video?

    #2
    Re: Lenovo Ideapad Y570 - force to use external screen

    Have you tried FN + F3
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      #3
      Re: Lenovo Ideapad Y570 - force to use external screen

      yes. i dont have problem to force external in windows but i want to it work in bios

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        #4
        Re: Lenovo Ideapad Y570 - force to use external screen

        maybe that is because my system not detect nvidia graphic. even with all lenovo drivers

        so i think that gpu is bad or need reball or is toasted

        im not surprized because when it get to me the fan was totally stuck by dust. i have never see that dusty laptop
        Last edited by ktmmotocross; 02-08-2019, 08:49 AM.

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          #5
          Re: Lenovo Ideapad Y570 - force to use external screen

          Does your model have the gpu switch on the side of the case.
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            #6
            Re: Lenovo Ideapad Y570 - force to use external screen

            For me I will remove R818.

            see my attachment.

            For quanta always work, only need remove 3v pull up resistor 2.2k
            Attached Files
            Last edited by on/off; 02-08-2019, 08:51 AM.

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              #7
              Re: Lenovo Ideapad Y570 - force to use external screen

              IDK, acer 772g doesn't show from external VGA port till windows are completely turned on. Since Intel manages video switching from integrated to dedicated. Everything goes trough intel, if you don't have intel drivers it won't even show dedicated gpu as a device and won't let nvidia drivers to be installed.
              Last edited by mosfetratus; 02-08-2019, 09:22 AM.

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                #8
                Re: Lenovo Ideapad Y570 - force to use external screen

                Originally posted by on/off View Post
                For me I will remove R818.

                see my attachment.

                For quanta always work, only need remove 3v pull up resistor 2.2k
                hello.
                Do u have a boardview for this board? it dont have marks on board. and i have only for 6881 and this is 6882
                Last edited by ktmmotocross; 02-09-2019, 01:18 AM.

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                  #9
                  Re: Lenovo Ideapad Y570 - force to use external screen

                  Check this link bro.

                  http://www.s-manuals.com/motherboard/compal_la-6881p/

                  Fast reading didnt see you mention code board. (sorry)

                  I think for LA-6884P boardview not present. from High res image seem near LDVS, for surely need trace that line.
                  Last edited by on/off; 02-09-2019, 01:42 AM.

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