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Thread: Dead computer (Possibly due to overheating)

  1. #1
    Join Date
    Jun 2012

    Default Dead computer (Possibly due to overheating)

    Hi everyone,

    I already have my computer for about a year now. It normally works when I have it run continuously for about 2 days because I am running several simulation tasks. I normally just let the computer run without interruption until it finishes its task. Before I send another computer simulation, I give it a rest for about 12 hours (the computer is turned off). However, a day ago, I discovered that my computer just turned off without me sending it for a shut down. Unfortunately, I can no longer turn it on... No response from the PSU, its fan not running, CPU fan does not work, the switch does not light up!

    I have Intel for my processor and Asrock for my motherboard. I replaced the PSU but I can't seem to make the computer system work. I removed the RAM, HD, DVD and tested the PSU/CPU/Motherboard system, still it does not work. I forgot to remove the Video card so its actually the PSU/CPU/Motherboard/Videocard that I have tested. I suspect that Video card should not be blamed since the tasks (numerical computations) are not video-intensive nor did I call any routines that involve the video.

    The CPU fan is not moving and I read somewhere that if this is the case for a "dead" desktop then it is a problem with the motherboard. Is this true? I hope so because the CPU is expensive. Are there other ways I can pin down whether the CPU or the motherboard is the problem? Thanks.

  2. #2
    Join Date
    Aug 2009
    Birmingham,Great Britain

    Default Re: Dead computer (Possibly due to overheating)

    try removing the motherboard battery,leave it out overnight then put back in and try,if that fails it could be faulty motherboard
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  3. #3

    Default Re: Dead computer (Possibly due to overheating)

    It can be any of the mb/psu/cpu parts. Did you save your old psu? You can test it with a paper clip. Just jumper the green wire (there should only be one) to a black wire and it should turn on. Test your new one as well.

    as for the motherboard/cpu. the only way I know of is to try it on another compatible system. Otherwise it is a gamble on what is wrong. Maybe a local shop can test your cpu for you on a known working mb. Just pop out the cpu and take it down.

    if you verify the old PSU is bad, it could have taken out everything, even the ram.

    I actually had the exact same issue happen to me a few years back and it turned out to be the CPU.

    btw. what cpu/mb do you have exactly?


    ps, what makes you think it overheated? Did it always run hot? What it very dusty and dirty when you opened the case?
    Last edited by MarkJohnson; 06-18-2012 at 01:29 PM.
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