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What do escalation levels mean?

Does that mean they receive less attention? Or more because it's a harder question? I haven't had any comments, so folks must be clueless. I need a real techie.

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  • James Busby Feb 13, 2012

    To clarify exactly what I mean,

    Inside my computer, there is a chip(AC module) that the power cord(AC Adapter) plugs into and that chip has a cable that connects to the motherboard (MOBO). This little chip has a light on it that lights up when plugged in. In my case, the light will not light up IF I have it plugged into the mobo. When it is disconnected from the mobo, it lights up. That proves the problem isn't the AC adapter OR the AC module.
    I'm hoping someone can give me an idea where the next problem is. I would think it's a fuse or safety trip that protects the mobo from overload, but needs to be reset. Does anyone know what I'm talking about?
    Please don't respond if you don't understand what I'm talking about. If you don't, you can't possibly have an answer for me.

  • James Busby Feb 13, 2012

    Yes, that is the part. The name, however, is different in the service manual.

    But like my post describes, when I have that part connected to the mobo, the light doesn't come on. However, when it isn't connected to the mobo, it lights right up. When I leave the module plugged into the wall, and attempt to attached the cable that is already connected to the mobo, I get the smallest lil sparkage, so I KNOW power is getting through the module.(DC Jack)

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What was your question you needed help on.

Posted on Feb 12, 2012

  • 2 more comments 
  • James Busby Feb 12, 2012

    Well, my real problem is this:

    Compaq f572us
    I have it broke broke down to essential components only.

    when i have the ac adapter plugged in, i do not get a charge light around plug (at ac module) but when I disconnect ac module from mobo, and plug in the ac module to ac adapter, I get the light.
    This being said, I know it's not the AC adapter or the AC module. What is the next point at which power may be refused on the mobo? Cmos reset? I pulled the battery and reseated it, but nothing. The computer should still post regardless. I bought a new mobo also to have the same problem so it can't be a fried mobo either. It has to be some power shut off somewhere on the mobo that prevents it from frying out, but I'm dead in the water until I get another idea.

    I have re seated every piece including CPU, RAM, Harddrive, everything. My computer had the exploded view, inspected every piece as I put it back together, reassembled, and.... nada! Darn it!

  • Stuart
    Stuart Feb 12, 2012

    I'm sorry but I don't understand what you mean by ac adapter and ac module.
    Surely you have a charger that has a plug on one end that you plug in to the mains, then the charger box it'self and then the lead from the charger box with the plug on the end that plugs in to the laptop. What do you mean by ac module?

    Also you can not discount the charger if you have'nt tried another one. Why would you change the motherboard and not try another charger first, surely that would be the cheaper option. Something else to consider, some chargers seem ok but have a faults that can stop them supplying the correct amount of current that the laptop needs to come on. If you bought a new motherboard and have the same problem then it must be something to do with the charger, may be it has a bad connection on the wire where it enters the plug that you plug in to the laptop. It's a really common fault as the lead gets pulled about and twisted and bent over time.

  • Stuart
    Stuart Feb 13, 2012

    Is this the AC Module you mean, because apparently this is the one for your machine. It's actually a DC jack board.
    Theres a big list of different model it fits, yours is in the list.
    If it is, there is a possibility that it could be that which is to blame for the fault.http://www.laptoppartsexpert.com/i-58668...

  • Stuart
    Stuart Feb 13, 2012

    I cant see properly from the image on that website but the big black component is a diode which can be tested with a multimeter, if it's shorted out it would read the same whichever way round you connect the multimeter's leads. You should get a high resistance reading one way and a low reading the other if it is ok. The other smaller ones near the edge look like resistors and a capacitor and maybe a surface mounted fuse but it's too hard to see.
    The thing you would struggle to test it the little chip but that maybe something to do with the USB socket.

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