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Computer Randomily turning off.

FlavabeanFlavabean Registered User regular
edited January 2008 in Help / Advice Forum
This problem couldn't have come at a worse time. When I boot up my PC it turns on just fine; fans run, lights blink, and beeps and boops sound off in attendence. 30 seconds later it just turns off without warning. I'm pretty sure that the pc is still getting ample amount of power (the motherboard LED is always lit) and sometimes when I lay the chasis on the floor it's able to make it's way to the desktop and run a program or two. As far as I know it has never shut itself down when its laying down and when I am at the desktop and then decide that its okay to stand it up, it then shuts down. I've taken it apart, checked all the wires, looked at my rams, and etc. All the parts are pretty new, nothing a year old. I put it back together and turned it on and now its worse than before (still starts and makes it to the bios screen but then shuts down quicker, laying it down no longer works also).

I'm moving in the morning and it'll reduce my stress so much if i can get this problem behind me.

I'm at a loss other than turning it on every few minutes hoping that my baby will come back to me. I need your collective knowledge, H/A.

Edit: The OS is vista, if that helps.

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Flavabean on

Posts

  • AurinAurin Registered User regular
    edited January 2008
    Have you opened the power supply to see if anything is loose? I would definitely try another power supply. (I've had power supplies just make the computer run SLOW before they outright died.)

    Disclaimer: If you open the power supply, DO NOT TOUCH ANYTHING IN THERE. Capacitors are bad. >.>

    Aurin on
  • FlavabeanFlavabean Registered User regular
    edited January 2008
    Aurin wrote: »
    Have you opened the power supply to see if anything is loose? I would definitely try another power supply. (I've had power supplies just make the computer run SLOW before they outright died.)

    Disclaimer: If you open the power supply, DO NOT TOUCH ANYTHING IN THERE. Capacitors are bad. >.>

    yea, I cracked that thing open...looked around, shook it lightly to see if anything was lose, but nothing.

    Flavabean on
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  • KVWKVW Registered User regular
    edited January 2008
    Sounds like a PSU problem. What kind of wattage do you have in relation to your computer? You might be overloading it. Try running onboard video (if you have it) and remove the vid card. I had the random shut down / restart happen a couple times and it was always the PSU. One time I let it go as I was too lazy to get it fixed and it was infrequent (relatively) and it ended up frying my mobo. It was 4 years old at the time, so not a big deal to me.

    KVW on
  • FlavabeanFlavabean Registered User regular
    edited January 2008
    power supply is 650W so i'm thinking its not the poblem.

    Flavabean on
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  • Nitsuj82Nitsuj82 Registered User regular
    edited January 2008
    My vote is the power supply. They die...a lot.

    Nitsuj82 on
    Your sig is too tall. -Thanatos
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  • FlavabeanFlavabean Registered User regular
    edited January 2008
    if the power supply was dying would it even turn on at all?

    Flavabean on
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  • Nitsuj82Nitsuj82 Registered User regular
    edited January 2008
    Now that I think about it, what about your processor fan/heatsink? It might be worth looking into replacing that. Just don't use too much thermal grease.

    Nitsuj82 on
    Your sig is too tall. -Thanatos
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  • FlavabeanFlavabean Registered User regular
    edited January 2008
    I've tested the power supply on another unit and it doesn't shut done at all. Checked the fan and cpu and that's all good. I'm completely sure that it's the mobo....whats next?

    Flavabean on
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