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Acer A114-31-C6QA - DA0Z8PMB8E0 REV-E

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    #1

    Acer A114-31-C6QA - DA0Z8PMB8E0 REV-E

    Hello,
    I have the Acer A114-31-C6QA, and motherboard model is the "DA0Z8PMB8E0 REV-E". The laptop doesn't turn ON (only power ON light is present). The 5V and 3.3V are present. I beleive that the problem. First I tried to re-program the bios chip "MX25U8033EM2I". I use the programmer CH341A and the RT809F but both couldn't programmed (give an error). I bought a new chip "MX25U8033EM1I" with 1I instead of 2I (I read on the datasheet that the only different is the size of the chip). Now the problem is that I re-program the new chip with the 1MB file but the power ON light now don't light.
    Also, I re-program the "25LB64CS1G" chip with the 8MB file. This laptop has double bios?
    I can't understand what happens and I can't find any other problem on the hardware.
    Does anyone knows how can I certain that the chips that I re-program have the right bios?
    Attached Files
    Last edited by SMDFlea; 08-14-2022, 03:13 PM.
    Tags: None
    #2
    Re: Acer A114-31-C6QA - DA0Z8PMB8E0 REV-E

    Are you sure you have an Acer Aspire A314-31? Your 1MB.bin shows as Aspire A315-31 in text. The 8MB.bin also configured in MEA. Are these your original backup files?
    Also check voltage at pin 8 on bios chips, you should have 3.3v or 1.8v on newer models.

    Comment

      #3
      Re: Acer A114-31-C6QA - DA0Z8PMB8E0 REV-E

      Further research shows up that it is the correct motherboard for those two models... Try the files here, post #2. https://www.badcaps.net/forum/showth...ht=DA0Z8PMB8E0

      Comment

        #4
        Re: Acer A114-31-C6QA - DA0Z8PMB8E0 REV-E

        Originally posted by Spongebob89 View Post
        Hello,
        I have the Acer A114-31-C6QA, and motherboard model is the "DA0Z8PMB8E0 REV-E". The laptop doesn't turn ON (only power ON light is present). The 5V and 3.3V are present. I beleive that the problem. First I tried to re-program the bios chip "MX25U8033EM2I". I use the programmer CH341A and the RT809F but both couldn't programmed (give an error). I bought a new chip "MX25U8033EM1I" with 1I instead of 2I (I read on the datasheet that the only different is the size of the chip). Now the problem is that I re-program the new chip with the 1MB file but the power ON light now don't light.
        Also, I re-program the "25LB64CS1G" chip with the 8MB file. This laptop has double bios?
        I can't understand what happens and I can't find any other problem on the hardware.
        Does anyone knows how can I certain that the chips that I re-program have the right bios?

        Did you find solution? Im in the same situation as you

        Comment

          #5
          Re: Acer A114-31-C6QA - DA0Z8PMB8E0 REV-E

          Originally posted by iv4nosky View Post
          Did you find solution? Im in the same situation as you
          Unfortunately not... I didn't find yet a solution. Any further help is welcome.

          Comment

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