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    I need a mobo

    Discussion in 'HP' started by AU4U, Jul 19, 2015.

  1. AU4U

    AU4U Notebook Evangelist

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    Envy17-3090NR 3D A9P77UAR#ABA.
    MOBO PN# 665934-001
    Power supply is fine ( within tolerance), but plug it in and the White/Orange led light does not turn on.
    Tested the battery, 4 Red and 4 Black voltage OK ... White or Green with black both at 6.5V (OK).
    SO.......
    Any reccomendations as to where to pick up a used TESTED mobo?
    All links will be considered.
    HP mobo part referb is not available in CANADA.
    Chime in at any time people.....
     
    AU4U, Jul 19, 2015
    #1
  2. Ghamzi

    Ghamzi Notebook Enthusiast

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    Have you checked eBay?
    http://www.ebay.com/itm/HP-Envy-17T...-665934-001-/141329670990?hash=item20e7e7a34e

    http://www.ebay.com/itm/HP-Envy-17-...-001-Tested-/161682000669?hash=item25a4ff8b1d

    The second one is in China so I would be wary of that. Just to give my two cents, I have tried replacing a motherboard on a DV3T before. It is a job but I assume you have the skills from all the tests you have done. Not sure if the Envy 17 is the same but in my case, I needed a thermal conductive pad for the GPU. I couldn't use paste cause the gap was too big for paste to work properly. None the less, if you don't choose the right pad thickness, it would cause overheating. I had too many problems and eventually that laptop became a paper weight. Not trying to scare you but sharing my experience may be it will help.
     
    Ghamzi, Aug 15, 2015
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  3. Ghamzi

    Ghamzi Notebook Enthusiast

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    Another thing to mention, the board I replaced was new. I couldn't tatto the product number and serial number on it. Only HP technician can actually perform that. Some models however you can edit those in the setup using a special set of key strokes.
    If you get a refurb, your laptop will have the serial number of that board not yours.

    This may help though:
    14phoenix.blogspot.com/2013/07/fix-missing-serialproduct-numbers-for.html
     
    Last edited: Aug 15, 2015
    Ghamzi, Aug 15, 2015
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  4. AU4U

    AU4U Notebook Evangelist

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    What thickness (mm) of Thermal Pad is needed for the Capacitors on the GPU side?
     
    AU4U, Dec 16, 2015
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