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820-3023A wont load osx

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  • 820-3023A wont load osx

    Have a 820-3023A that wont load osx with built in drive or known good usb drive. After about a minute loading with apple logo it will just turn itself off. Put fresh thermal paste on cpu but made no difference

    Have no idea where to start for issue like this.

  • #2
    Try new BIOS, with clean ME region.

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    • #3
      can you provide bios?

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      • #4
        Upload your backup.
        In the meantime, you can try these files...

        https://drive.google.com/open?id=1Ks...KI2prlst-Y6qNV

        No idea if any good.
        I do not remember where I got them from...

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        • #5
          I have TL86A programmer but do not have a adapter for this type of bios chip. What do i need to get in order to reprogram this type of bios?

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          • #6
            Some of my posts show few pictures with a "fast" adapter for WSON-8 chips...

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