AMD Athlon 3800 Dual core processor fan noise

Posted on 2006-05-27
Last Modified: 2010-04-25

I have an AMD Athlon 3800 Dual core processor. I bought an Asus Geforce en 7800 gt graphics card. The graphics card's cooling pipe is turned upwards about 15 cm to cool quietly. But it was touching my 900 gr. copper Coolermaster processor coler so I removed my collermaster copper cooler and replaced it with an Athlon original 3500 processor fan. I wasn't able to find the original of 3800. The friend of mine who is experienced and repairing PCs told there is absolutely no difference between the fans of 3800 dual core and 3500's. It starts normally but after a few minutes although I do not make any difficult processes it starts to work full force and makes a lot of noise. I just visit some webpages or even do nothing and it makes so much noise. It is working too fast and I think there is no problem with the mechanical part of the fan. Please help. Thanks,
Question by:sozyurek
    LVL 30

    Expert Comment

    Replacing the fan is an option.... or you can clean the bearings if it is easy to expose.
    LVL 87

    Accepted Solution

    Check your BIOS options, sometimes you can change the speed of the fans in there. Also, if you didn't attach the heatsink properly on the CPU, it might not be making good thermal contact. If the thermal contact to the heatsink is bad, the temparature of the CPU will be much higher than it should be and that would cause the fans to run at full power...

    Author Comment

    I changed BIOS fan control from automatic to manual control and then it turned to normal speed. It was full force even at 32 degrees Centigrade CPU heat. Thanks,
    LVL 87

    Expert Comment

    your welcome

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