Dead ACER Nitro 5 515-55, model: FM51M LA-J871P Rev: 1B, fabricated: 2020-06-04

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  • verreauxi
    New Member
    • Nov 2025
    • 6
    • colombia

    #1

    Dead ACER Nitro 5 515-55, model: FM51M LA-J871P Rev: 1B, fabricated: 2020-06-04

    Hi, my nitro 5 is completely dead, not even the led for the alimentation plug is lighting.

    Some context: the my dedicated video card was dead since august, the computer was operating normally but only with the cpu, and some time the gpu sends vital sings, and when the pc starts the cpu and gpu warm up, I used my computer like that util November 28 waiting for have a considerate amount of money to repair it. that day I gave my computer to a tech guy who disconnected all the tings from the motherboard, and when he tried to connect all again, he said the pc dies

    Really I don't now anything of computers and electrical compound in exceptions from the basics. I already cleaned al the motherboard carefully with industrial alcohol and a brush. I am doing the measurements of the resistances with a multimeter DT-830D in the range of 200 the next image is what measurements I got (and the way I am taking it)
    Click image for larger version

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    i taked closed up photos for the resistances
    Click image for larger version

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Size:	1.49 MB
ID:	3775549​(I think the problem or one of, is here)
    Click image for larger version

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ID:	3775550
    Click image for larger version

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    Click image for larger version

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ID:	3775552

    if some one can help I will be grateful, and if you had some advices for me to impruve my tech abilities I will appreciate that

    have a nice day

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