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can somebody teach me how to repair bios?

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    can somebody teach me how to repair bios?

    Hello. i have repair lenovo z510 with flashing main and ec bios, but now i want to learn how to repair bios, because i dont know everything that i need to inject to new bios, like windows key, or sn and other things

    inject windows key is not a problem, because i know how to find it and replace it

    but how to repair original bios is another level

    #2
    Re: can somebody teach me how to repair bios?

    Compare corrupt and working bios in HXD and try to spot the problem area.For newer bios, use uefi tool to replace the bios regn(from update file). Though with newer bios there is encryption issue for which you need to use python script to decrypt bios first like dell latitude. Its not easy but certainly you can do it with some effort.

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      #3
      Re: can somebody teach me how to repair bios?

      ok guys as first i need to learn. How to extract windows key from bad bios dump. it looks it have something in it but it wont work.

      now i have lenovo Z510 with bad bios, but i cannot locate windows key in it with my usual method with filealyzer

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        #4
        Re: can somebody teach me how to repair bios?

        Load Biosfile with HXD an than search this string as Hex
        010000000000000001000000000000001D000000

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          #5
          Re: can somebody teach me how to repair bios?

          im using filealyzer. with him i search for strings and sort by lenght, but in both main bioses i cannot find windows key

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            #6
            Re: can somebody teach me how to repair bios?

            guys how to find win key in this bios files?
            Attached Files

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