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Startup arrested with high pitched-noise from ?processor?

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#1 dougdougdoug


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Posted 16 June 2009 - 04:44 PM

I have a 6 year-old Dell desktop with a 2.4 GHz processor and Windows XP OS. When I press the power-on button the initial screen comes on and as it is almost finished with this screen it starts to emit a high-pitched noise with a lower fast clicking noise. The start-up process is arrested at this point and I need to hit either f2 key to go the the Startup menu or the f12 for the boot menu to get it to stop. If I exit either of these menus it will continue with the normal startup process and seems to run normally. I opened up my computer to listen and it seems that this noise is coming from the processor but I am not sure. Any thoughts as to the problem?

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#2 Sterling14


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Posted 16 June 2009 - 08:33 PM

I wouldn't of thought the processor would be making noise, but I guess it could happen. Have you cleaned the interior of the computer out lately? Especially around the processor heatsink.

Are you sure it's not coming from the hard drive? It almost seems like the computer is not initially recognizing the hard drive. You should back up all of your data just in case.
"I think there is a world market for maybe five computers." - Thomas Watson, Chairman of IBM, 1943

#3 dpunisher


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Posted 16 June 2009 - 10:21 PM

It's usually coil noise. The coils near the CPU whine/hum and can drive you nuts.

Sometimes a bad PSU can cause it, or loose coils, or bad caps as well. Some coils have globs of silicone or rubbery adhesive applied to prevent the problem.

I am a retired Ford tech. Next to Fords, any computer is a piece of cake. (The cake, its not a lie)

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