Yoga2 Pro power on but no image

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  • ytsoc
    Senior Member
    • May 2014
    • 67
    • romania
    #1

    Yoga2 Pro power on but no image

    Hello all, i have this laptop , board is nm-a074 rev1.

    I tried flashing main bios , no succes, same behaviour.

    I would like to try to also flash the EC, problem is that i only have RT809F programmer. I'm unsure if supports this version of the EC.
    However, i need the pinout to at least attempt to try and read it. i found a document for SVOD programmer, but it only describes the pinout of the kb connector, it does not specify what pin is clk, cs etc

    Does anyone have this info? or any suggestions to fix this board?
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    • Duranitron
      Badcaps Veteran
      • Jul 2014
      • 544
      • Philippines
      #2
      Re: Yoga2 Pro power on but no image

      did you test it using external monitor? before you reflash the bios.. did you replace the memory with known good memory..
      Never stop LEARNING because life never stops TEACHING!

        Comment

        • ytsoc
          Senior Member
          • May 2014
          • 67
          • romania
          #3
          Re: Yoga2 Pro power on but no image

          if by memory you mean ram memory, i can't do that because it only has soldered ram.

          No video on external video output

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