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  1. Member
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    does anyone know what could cause an intermitten buzzing noise from a processor. it is a P4 2.8 Prescott. I have re seeated it numerous times with artic silver and I am also using a thermaltake heatsink/fan......

    it is not worth very much but if it is only the mother board, i might get a new one....I have about a third of spare parts to build another....

    if anyone knows of a solution, i would greatly appreciate it !!!!
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  2. Video Restorer lordsmurf's Avatar
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    Are you sure it's not a bearing on the CPU fan?
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    nope, it only happens when there is activity going on....i even stopped the fan and it was still happening.....
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  4. Member edDV's Avatar
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    Power supply maybe? A CPU has no moving parts.
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  5. I'm a Super Moderator johns0's Avatar
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    Sometimes a coil on the mobo or psu might buzz when the insulator breaks down on it,gotta check where the noise is coming from.
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    the noise is coming straight from the center of the processor during activity, like when the hard drives read/write........i read something about the power supply being the cause, could it be sending the wrong voltage ??? should i swap it out befre i go and replace a bunch of parts ??
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  7. Member steptoe's Avatar
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    Sounds like your CPU fan

    Either the bearing is going or its catching on something. It might be spinning faster when the CPU is under load, hence the buzzing as its spinning faster

    Take the fan off, unscrew it off the heatsink and if you haven't done it before be amazed just how much dust is clogging things up. It really is quite scary how thick it will be, even with case filters

    While you are there, carefully peel the sticker off the fan itself, and pop out the little black rubber plug that is covering the fan bearing. Put in 2 or 3 drops of light oil, I use olive oil as its handy, and put the rubber bung back in wiping off any excess oil and spin the fan a few times to get the oil around the bearing. Put the sticker back on and enjoy a quiter fan that will last much longer than standard

    I've rescued a GFX card fan that was very close to seizing as it was very tight with zero lubrication left on the bearing off a friends computer using this method. It still running much better now a couple of years later with no noise from teh fan at all, and yes it is still running without wobbling about which is what normally happens when teh bearing dries out and wears

    I use this method on all fans I buy, just don't go mad with the oil. 2-3 drops on a matchstick or very small screwdriver is more than enough

    Sealed and lubricated for life bearings is a load of rubbish. Yes, the life of the bearing until the oil disappears or the bearing dries out, NOT the life of the unit which is what WE think it means
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  8. Member
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    it is not the fan, have unplugeed the fan and the pc still worked and made the noise, this is why i am at a loss......and it only makes the noise during any type of activity, quiet at idle...
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  9. Rancid User ron spencer's Avatar
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    did u unplug ALL fans in the case?
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    Originally Posted by DVDDave
    it is not the fan, have unplugeed the fan and the pc still worked and made the noise, this is why i am at a loss......and it only makes the noise during any type of activity, quiet at idle...
    Huh...
    Unplugged what fan for how long ?

    The only time i have ever NOT had a desktop CPU fan running or others, the CPU lasted for maybe 20 seconds (prob. less) before overheating and burning up!

    POOF!!!!!

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    had it unplugged for 10 minutes.....i did have a big fan blowing into the case at the same time so as to NOT burn up anything and the damn thing ran cooler and still made noise...go figure...
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    Can we spell FOS ??
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  13. Mod Neophyte Super Moderator redwudz's Avatar
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    Originally Posted by Noahtuck
    The only time i have ever NOT had a desktop CPU fan running or others, the CPU lasted for maybe 20 seconds (prob. less) before overheating and burning up!
    I wouldn't agree with that. Most all newer CPUs and MBs will shut down the PC if the CPU overheats. Some may also drop the multiplier to run the CPU at a lower speed/lower power mode if the overheat is moderate. If your CPU fan fails, you should have a few minutes before the CPU overheats, and even then, it may just shut down the PC or lower the speed. If you remove the cooler completely, the PC 'may' shut down safely, though I wouldn't try that. Older CPUs will fry quickly without a proper cooler, though. But many newer ones may survive. I've had a PC that I rebooted several times and it kept shutting down about 8 seconds later. It turned out the AMD CPU cooler was hung up on the ledge of the socket and was only making about 10 percent contact with the CPU die. But no damage was done to the CPU.

    But to get back to the OPs question. There is nothing in the CPU that could cause any sort of audio noise, AFAIK. If it is indeed coming from the CPU, you have a major problem. I would contact the CPU manufacturer, but I doubt they have ever heard of that sort of problem. More likely it's something in the MB and I would worry about early failure. All the frequencies used in a MB are way above the range of hearing, though something could be generating a harmonic at a lower frequency. A coil was suggested earlier. Whatever it is, it's a problem.

    My favorite CPU meltdown. They did bypass all safety features and used a older Duron CPU without any internal protection: http://www.youtube.com/watch?v=HQUj1Huxsqs

    EDIT: Without a heatsink, some newer CPUs survive: http://www.youtube.com/watch?v=BSGcnRanYMM
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  14. Member
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    well, i already scrapped the MOBO and CPU as I had a core 2 duo lying around and bought an intel MOBO for $90....used all of the other original hardware....it works perfectly now...thanks for the replies.....
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    Originally Posted by redwudz
    Originally Posted by Noahtuck
    The only time i have ever NOT had a desktop CPU fan running or others, the CPU lasted for maybe 20 seconds (prob. less) before overheating and burning up!
    I wouldn't agree with that. Most all newer CPUs and MBs will shut down the PC if the CPU overheats.
    Well... anytime you want to come over with the latest & greatest CPU & mobo and fire it up without a heatsink or FAN running on it and see how long it last's before it burns up, without shutting down, i'm game 8)

    Heck... it's not my $$$ so why not :P

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    Originally Posted by redwudz
    But to get back to the OPs question. There is nothing in the CPU that could cause any sort of audio noise, AFAIK.
    Yep!! Which was already stated, but yet.......
    Here we are...
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    Originally Posted by Noahtuck
    Originally Posted by redwudz
    Originally Posted by Noahtuck
    The only time i have ever NOT had a desktop CPU fan running or others, the CPU lasted for maybe 20 seconds (prob. less) before overheating and burning up!
    I wouldn't agree with that. Most all newer CPUs and MBs will shut down the PC if the CPU overheats.
    Well... anytime you want to come over with the latest & greatest CPU & mobo and fire it up without a heatsink or FAN running on it and see how long it last's before it burns up, without shutting down, i'm game 8)

    Heck... it's not my $$$ so why not :P

    Three are people that say eating glass is okay with no ill effects but that does not mean i am gonna try it!!!!!



    Originally Posted by redwudz
    But to get back to the OPs question. There is nothing in the CPU that could cause any sort of audio noise, AFAIK.
    Yep!! Which was already stated, but yet.......
    Here we are...
    .......um, redwudz didn't say w/o a hs, just w/o the fan, I have had cpu fans fail before and I never had a cpu burn up, the mobo shuts down automatically when it gets to a certain temp

    hell w/ my CoolerMaster V8 I can run @ stock speed and voltages w/o turning the fan on, the HS fan power connector was loose and I didn't know it wasn't running and my PC restarted twice over a 2 hour period (over clocked 28%) until I noticed the faint red glow was missing from my hsf

    stock clock and v? lol you don't even need a fan if you got the right hs

    ocgw

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  17. Member
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    bottom line, that old 2.8 P4 Prescott, or the ABIT IC7 MOBO were making a buzzing noise whenever the CPU was active, idle---no noise......MOBO and CPU are now in the trash.....one of the two were the culprit...and they weren't worth repairing.......
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