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Computer turning on, then not turning on

Discussion in 'Hardware' started by ninjahonor, Feb 22, 2009.

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  1. ninjahonor

    ninjahonor Thread Starter

    Oct 10, 2007
    Let me clarify. My brother brought his computer over for me to recable it. Simple process right? Not so much. Before I get into details, let me give you specs. Keep in mind since I did not build the system, I do not have all the information I usually would.

    Windows Vista
    4 GB of RAM (unknown brand)
    Abit motherboard (unknown serial number)
    AMD athlon 64 3.0 GHZ processor
    4 250GB harddrives (In raid configuration to look like 2 hard drives @ 500GB each)
    Antec 550 watt power supply
    Nvidia Geforce 8600 GT Video card

    Okay, so when I recabled everything and powered the system on, it would not boot at all. Everything was on and running, but the bios was not doing anything, and everything was at a standstill. Not knowing if the raid configuation and the motherboard had anything to do with it, I started swtiching the sata connections into different configurations based on what I think the individual would have done. In doing this I accidentally pulled a jumper from the motherboard. Setting it aside and not thinking it was important, I plugged everything back in and attempted to power on the computer.

    This is where it gets interesting. Instead of even powering on like it did last time, it powered up for MAYBE one second before shutting off. Any other attempts to power it on were futile, and resulted in nothing.

    After this, I replaced the jumper where it was supposed to go, and powered on the system again. The same thing happened. I want to think the power supply is toast, but I would like some ideas/advice on what others may think it will be before I go switching parts out and/or buying new parts for my brothers machine.

    Thankfully, if I have to buy new parts, they should be inexpensive because the processor is fairly old. :)

    Any help is appreciated. Thank you.
  2. HEdwards2008


    Feb 20, 2009
    Make sure that you have the 24-pin main power connector and the 4-pin power connector both connected to the motherboard.
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