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Posted on Sep 14, 2010
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I want to reload the BIOS default settings, I think can solve my problem. I have dell optiplex gx 520 running on win xp. This pc now does not boot from HD or CD. When I switch it on, the power indicator light light green and then turn into yellow and finnaly the processor fan start to make noise. I have dismantled the internal hard drives and assembled again but the problem persist. I have replaced the power supply unit but the problem persist. When I denyed it apower for three days and gave it again on fourth day, the pc started to boot as normal but later on it stopped suddenly and the processor fan started to make noise again. I need some help please!

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wd neojoneswd

wd neojoneswd

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  • Posted on Jun 24, 2014
wd neojoneswd
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I have stated this many times, if the heat-sink fan is not spinning or failing, the computer will stall or fail to boot. there is a heat check on the processor to prevent overheating. if you are sure its the fan over the cpu, then replace the whole heat-sink unit. that may solve the problem.

  • wd neojoneswd
    wd neojoneswd Jun 24, 2014

    if it does fix it, you can then install the default bios if needed.

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  • Posted on Sep 17, 2010
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Your fan might have problem buy a new one. your computer won't start if it is already at its maximum heat level.

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