Acer Aspire 5551 la-5912p not powering on

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  • johnisburt
    Member
    • Apr 2023
    • 13
    • UK
    #1

    Acer Aspire 5551 la-5912p not powering on

    Hi guys, I have an issue with a laptop, it has power but wont power on.
    I have all S5 power rails present and have check many other voltages, all seem ok.
    I don't know what next to check, suspecting a southbridge issue maybe.
    Can anyone give me any tips for this one.
    Thank you

    Link to schematic https://www.badcaps.net/forum/troubl...912p-schematic
    Last edited by SMDFlea; 09-13-2024, 08:12 AM.
    Tags: None
    • johnisburt
      Member
      • Apr 2023
      • 13
      • UK
      #2
      All suspend transistors are on, any ide what is causing this or do you think the southbridge / ec chip could be faulty?

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