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Thread: HP 18 Motherboard

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    Default HP 18 Motherboard

    Hi friends ,,

    I have a problem with All in One PC HP 18 model , it seems that at one point when I tried to turn on, the internal button that is used to turn on the PC,
    it moved, it desoldered, and it seems that another element like capacitor or resistor was the same, and I was wondering if any of you friends,
    have a service manual for the motherboard or a photo that shows me the area where the button is ...

    The number of the motherboard is APCB M3 94V-0

    Regards Friends



Look Here ->
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    LSemmens
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    That's a video card,
    I'm out of my mind, but feel free to leave a message...

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    Nah, it's one of those HP proprietary AIO mobos -->

    Typical HP though ~ documentation is very hard to come by ; best I can figure it, was made 2010(?) and thus isn't something I'd repair ; more a case of replace it with something newer....but then, it's HP proprietary, so it won't be ATX, baseplate mounting won't line up, PSU might be custom, switches/header pinouts will be non-standard...bit like a DELL, all built to their inhouse design standard, that doesn't use standards the rest of the world does =)

    Might be a better idea for the OP to take a picture of the board/damage, and ask questions about how to repair it (if possible)...being a startup button, it's probably just got a pullup resistor near the switch and a debounce capacitor....would be an easy fix.

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    My friends thank you for your answers,

    I don t know how to upload a photos directly, so here is a link with a photo of the area where should the button be located on the mother board




    Thank you, again

    Regards

    Here is photo of the Motherboard



    Again, thank you friends
    Last edited by Jasej; 26-05-21 at 01:10 AM.

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    Hope it could be visualize it

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    Quote Originally Posted by lsemmens View Post
    That's a video card,
    Yes my friend, my first search with this number, it showed that that number is for a video card

    Thank you !!

    HP 18, all in one PC Computer !!

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    Only the switch has broken off, tearing a solder-pad from the PCB in the process (to the right of 'SW1' marking). The 'hole' in the PCB where the pad has been ripped off should be covered with epoxy to avoid shorts with the exposed underlying PCB layer. One side of the switch goes to ground (this is the area around outside edge of PCB) --- the other side of the switch goes to the track that has been lifted off the PCB, in the image this track is all curled up in the 'S' of the 'SW1' marking. I would cut that bit of lifted track off, and solder a wire directly from switch leg to the lefthand pad of marking 'ED1' (where the track leads to, makes for easier soldering).

    'ED1' and 'ED24' are no-stuff ...likely ESD diodes that only get fitted to some models (for medical use for example)

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    Jasej (26-05-21),tristen (26-05-21)

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    Great my friend, as soon as possible I will do what you explain to me !!

    Thank you,

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    wotnot (26-05-21)

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