New Build Problems with Powering Up

Discussion in 'General Hardware' started by Davo Savo, Apr 7, 2006.

  1. Davo Savo

    Davo Savo Geek Trainee

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    Ok...Specs first problem later:

    Processor - AMD 64 3200

    Gfx Xard - Gainward 7600GT 256mb DDR3 PCI-E Dual DVI

    Mobo - Gigabyte GAK8NMF-9 Socket 939 Nvidia NF4 MATX - Sound Giga Lan 1394 USb 2.0 1800MHz FSB SATA 133

    Ram - CRUCIAL 1GB DDR PC3200 400MHz 184-PIN

    Cooling - Arctic Cooling (AC-FRZ-64P) Socket 754 939 940 CPU Cooler with Heat pipe cooling

    ATX Case

    ------

    On Wednesday when i built my PC the Psu began smoking, I knew this clearly wasnt right so opened the case and pulled it out.

    I ordered a new PSU on wednesday evening, it arrived this morning. The New PSU is now fitted BUT the machine wont start. The PSU just seems to hum slightly

    it IS plugged in and i am 100% sure the powerswitch is connected to the right place on the motherboard. i have connected the 24V connector to the motherboard from the new PSU and the 12V to the motherboard but nothing seems to happen! again the PSU seems to just hum.

    if anyone could inform me of what i am doing wrong PLEASE post. if i need to post pictures to show you then i will.
     
  2. donkey42

    donkey42 plank

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    is the CPU fan plugged in and spinning when you power on,
     
  3. Davo Savo

    Davo Savo Geek Trainee

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    no...the motherboard doesnt make a sound, i dont think its even powering on

    the CPU fan is NOT spinning
     
  4. donkey42

    donkey42 plank

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    that could be the problem as your M/B probably monitors CPU temp, i'd test the fan and does the hdd spin up, if it doesn't then check the output from the PSU preferably with a volt meter (don't worry, not expensive, only £10) on a molex connector (power)
    put the volt meter on red and black (next to each other) it should read 12V then go with the yellow and the other black, it should read 5V
     
  5. Davo Savo

    Davo Savo Geek Trainee

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    Ill try to check that later, my dads an electrical engineer and i KNOW he has one of thoes, ill update tomorrow!
     
  6. donkey42

    donkey42 plank

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    no problem, just hope we can sort it
     
  7. megamaced

    megamaced Geek Geek Geek!

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    What PSU are you using?

    Prehaps it's not powerful enough to run your computer

    Big B is an expert on PSUs - wait til he's seen this thread before you do anything
     
  8. Davo Savo

    Davo Savo Geek Trainee

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    Thanks for your help, a relative of mine has sorted it out for me.. although i cant really think of anything that he did differently!
     
  9. ninja fetus

    ninja fetus I'm a thugged out gangsta

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    in all probability the power supply took out other components with it

    only way to tell is to test your components individually in a known working system
     
  10. Big B

    Big B HWF Godfather

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    Yeah, right now, test out the other components. A bad PSU may have damaged some or all the parts, but if that's not the case, you could still have an insufficient PSU. Check the PSU link in my signature for an indepth explaination.
     

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