Question about Dell (S423) for Dimension 8100 (3F546) Motherboard

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Loud fan sound

When I switch on power(CPU) loud fan sound and no display in monitor,PC is not working even resetting plenty of times...same issue

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You have a "No POST" situation. Check the power button, more than likely it is not a solid green.

Your computer is probably old enough to have lifetime troubleshooting support from Dell, if you are the registered owner. They won't replace any parts (but they should help you figure out exactly what _is_ wrong).

I will say that unless you are prepared to do the work yourself, repairing the system will cost nearly as much as buying a new (and much faster) computer. With the economy the way it is, there are some great deals to be had. You'll only need a box, so check out outlets like dellauctions.com.

Posted on Feb 25, 2009

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Hi,

Sounds like a procie problem.

Check your processor's heatsink, if it really sits flat on your processsor.

Try to replace with another processor, take note of your socket if that is for the board's requirement.
Put a new heatpste too.

Then tell us the effect.

Thanks for using Fixya!

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This may work however i think by ignoring the sound of the Fan you might have destroyed the cpu and the motherboard.If you can try the processor in another machine you might just have to replace the motherboard only.
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I have the same problem, the CPU fan spins, keyboard lights blink, no start up screen, or bios.
But, when I push a few times on the pc reset button, then the CPU fan is becoming still, the keyboard light are out and I can start the computer again in a normal way.
Can this one be a temporally solution for you too? Do you have any suggestion about?
I guess it can be an electricity dysfunction of a wrong fixed cable.

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MSI P6NGM won't BOOT


You should only hear 1 beep. That 1 beep is power on self test, known as P.O.S.T.
That loud flat line sound (And I'm pretty sure about this), was you're CPU. Just because you ran & passed the stressed test is nothing compared to running the system under load? That's why when you put in you other memory nothing changed. If you hadn’t mentioned you clocked up the FSB I would have come to the same conclusion hearing the loud flat line statement.
Can you test the CPU in another board? That is about the only way to be sure it's not the CPU. Memory does not make that kind of sound. Memory makes short & long beeps.
You can try clearing the cmos/bios by going to pg. 2-18 in you're user manual. This will reset the bios back to default settings & cross you're fingers!

If I can be of more service, just post back & let me know how thing go.

Good Luck!

Mike

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If that's the case, replace the fan/s.

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1 Answer

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Check your power supply. It sounds like you have a bad power supply. Even though the computer powers up, it does not mean that it's good. I have had this problem before, and almost 9 out of 10 times the power supply had gone bad. Just try a different one and see. hope this helps you.

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