Acer VN7-591G start without CPU/GPU voltage - Cannot flash BIOS

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  • ktmmotocross
    Boardkiller
    • Feb 2014
    • 3578
    • slovakia

    #1

    Acer VN7-591G start without CPU/GPU voltage - Cannot flash BIOS

    I have this Acer VN7-591G that start without CPU/GPU voltage

    I try to flash BIOS but cannot erase it. Chip is GD25B64BSIG

    Programmer is CH341.

    cannot find datasheet to find some interchange ic
  • ktmmotocross
    Boardkiller
    • Feb 2014
    • 3578
    • slovakia

    #2
    Re: Acer VN7-591G start without CPU/GPU voltage - Cannot flash BIOS

    after maybe 5 times it looks that i reprogram it but still have only 3/5V and 0.47W consumption


    Board code is Hades_HBS 14206-1
    Last edited by ktmmotocross; 01-12-2021, 08:52 AM.

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    • Conste
      Badcaps Veteran
      • Oct 2018
      • 235
      • Germany

      #3
      Re: Acer VN7-591G start without CPU/GPU voltage - Cannot flash BIOS

      which program did u use?

      I often use AS Programmer if other programs fail, bc AS knows more EEPROMs

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