Question about Gateway GT5032 (827103078121) PC Desktop

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ATX power on Motherboard not working

Please take a look at the attached picture. I couldn’t find a picture of the gateway motherboard, but it is a 4 pin just like in the picture and I’m assuming it’s the same thing. When I plug in both my ATX Power connector and the 12v ATX power connector, I hear no fan noise or anything. The blue light on the power button comes on, but nothing else. But when I just plug the main ATX Power connector, I hear fan noise but no hard drive noise when I press the power button. This just happened while the computer was sitting there; it shut off and when I tried to turn it back on this happened. Nothing displays on the screen at all. Any ideas?

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  • Robert Hofland Dec 16, 2008

    Yes, I connected all 24 pins on the main atx power supply. 4 of those pins our fed out to my Nvidia Geforce 8600GTS video card. I tried it with a different power supply with 4 less pins and I heard the fan power up as well, but only if I didn’t connect the auxiliary 12V cable in.

  • Robert Hofland Dec 17, 2008

    If you look at this link, it has a better view of the actual motherboard in question. The two connectors I am referring to are labelled H for the main power connector and S for the Auxiliary 12v power connector. Why would the fan power up when I plug the main one in, but then not work when I plug both the Main and the Auxiliary connector in?

    Another note, when I pulled out the power supply, it was VERY dirty, had a ton of dust in it which I vacuumed out. However, the other power supply I plugged in had the same issue so I'm thinking it's not a problem with the power supply, but the mother board.

    The power supply I had in the computer is 500W and the one I tested with (the original one that came with the PC) is a 300W power supply. I purchased and installed the 500W when I bought a new video card because the video card required a higher Wattage Power supply.

  • Robert Hofland Dec 17, 2008

    I don't have a multimeter, and when I plugged in the 300W power supply, I had the same thing happen. If I get a mutimeter, what should I be looking for?

  • Robert Hofland Dec 18, 2008

    I tried with everything out including the video cards. I tried with another PSU and still there was no beeps or anything. I took it into a computer repair store and they checked it out and they suspect it is either the motherboard or the CPU that went dead. when they checked the voltage coming from my power supply they said it was running a little high, but not fluctuating. I'm just about to the point of buying a new motherboard.

  • Robert Hofland Dec 24, 2008

    Ok, I have one last question on this subject. I am trying to replace my motherboard without having to buy new RAM/processor, power supply, etc. Can somebody point me in the direction of a low-priced replacement motherboard? I lost an auction on ebay by $2.00 for the exact motherboard, and I just want to buy a replacement at a good price. I have also resigned to the fact that I will have to buy a new case, since Gateway is stupid and builds with BTX cases/motherboards.

  • zonkpc
    zonkpc May 11, 2010

    Do you have a multimeter? It would appear that you have everything plugged in correctly so there has to be a fault somewhere. Do you still have your 300w one? I would take out the graphics card and try it with the 300w. Also what fin is spinning up? the one in the PSU?

  • zonkpc
    zonkpc May 11, 2010

    have you connected all 24 pins to the main atx power supply? Some of the adaptors are 20+4 pins, all these need to be connected + the 4pin 12v connector



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Just to check the voltages coming from the psu. However if your old psu is doing the same it must be something else. Did you try it without the graphics card? and is it the fan in teh psu which is spinning up?

My next port of call would be any other expansion cards, followed by the memory modules. Take them all out apart from one memory module and try to boot.

Also check that the pins from the power button are connected correctly. you can also try starting the pc by touching the two pins together with a metal tipped screw driver.

Posted on Dec 17, 2008


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