Question about Compaq Presario S5100NX (E120866) PC Desktop

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I have a Compaq Presarrio S5100NX that would not power up. Installed a supposably new Power Box and had no success. Would like to have a diagraam or insturction for wiring Power I replaced a Model ATX-250-12E Rev D With ATX-250-12E with differnet Suffix told by seller suffix was later model that the Rev D and would work. I could possibly have a plug installed reverse but am reluctant to turn it over until I know a little more

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  • ssjsmars Nov 08, 2010

    I am fairly confident that all Motherboard and Drive connections are correct. Checked continuity on the power switch and it is OK.
    Guess at this point I need to know if the power supply I purchased is O.K. Is there a check that I can do to verify it is O.K.

  • ssjsmars Nov 09, 2010

    I understand the jumper portion but (power on the Mains (outlet) switch) is a problem for me. What is a Mains outlet switch?

  • ssjsmars Nov 09, 2010

    I understand the jumper portion but (power on the Mains (outlet) switch) is a problem for me. What is a Mains outlet switch?

  • ssjsmars Nov 11, 2010

    OK used jumper and power supply did not respond. Supposably new power supply from ebay. Guess I am in market for another.
    Thanks for the help.

  • ssjsmars Nov 11, 2010

    2nd solution very helpful. 1st one left a little to be desired.

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To check whether a Power Supply Unit is Ok or dead, simply take a cut-out wire and do a jumper as shown below:
I have a Compaq Presarrio S5100NX that would not - nonontech_20.jpg

From Green to Black (there two female connectors in between them). Now power on the Mains (outlet) switch. If it's working or if it's ok.. smps should power on.

Let me know if you need further help. Good luck.

Posted on Nov 08, 2010

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  • Lebanon Raingam
    Lebanon Raingam Nov 09, 2010

    Oh boy... what I meant is to connect the power cord to the smps and switch ON the power source switch (wall switch where is it connected). If it's already On, there's nothing you need to confuse. I wish I didn't include that line.

  • Lebanon Raingam
    Lebanon Raingam Nov 11, 2010

    Ok... Good luck.

  • Lebanon Raingam
    Lebanon Raingam Nov 11, 2010

    Thanks for accepting my solution. If you need further help, you can still get back to me anytime.



    I wish you Good luck.




    Thanks for using FixYa.

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For that connect ATX power supply from smps to motherboard Connect 12 Volt connector to motherboard. from smps.Also make sure on motherboard pwr switch and other pins are connected properly to corner of the motherboard. You can check below diagram. Click here Let me know if you need further assistance. Thanks for using FixYa.,

Posted on Nov 06, 2010

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