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    my CPU fan is so loud :( HELP PLEASE

    My cpu fan is so loud yesterday i bought a untested GPU so i put it in my pc to see if it work (i was only testing i wasn't going to keep it) and straight away the cpu fan started going so fst and its so loud now, i reinstalled windows, i put new thermal paste on still very load
    its so annoying now

    19 Comments

    You need to check what your PSU is, just in case you drawing to much power.

    Always list the Specs, so you can be advised.

    Whats the make and model of your m/b and fan?

    Is the GPU still fitted? Sounds it was causing excessive heat, making the CPU run hotter.

    Did you check the GPU temps?

    If you PC is running okay temp wise, you can manually lower the fan speed.
    Edited by: "joshp" 18th Dec 2014

    Original Poster

    joshp

    Is the GPU still fitted? Sounds it was causing excessive heat, making the … Is the GPU still fitted? Sounds it was causing excessive heat, making the CPU run hotter.Did you check the GPU temps? If you PC is running okay temp wise, you can manually lower the fan speed.



    Like i said only put it in to test, and then put my old gpu back in

    Original Poster

    Argoj

    Whats the make and model of your m/b and fan?


    fan = Zalman CNPS5X
    motherboard = Gigabyte 78LMT-USB3
    cpu = AMD3+ 6300 black edition
    gpu = Evga Geforece signature 2 680

    Original Poster

    Mole007

    You need to check what your PSU is, just in case you drawing to much … You need to check what your PSU is, just in case you drawing to much power. Always list the Specs, so you can be advised.


    its been fine for the past year, just after i put that untested gpu in it started going crazy

    augustas

    Like i said only put it in to test, and then put my old gpu back in



    As I say, if your temps are fine they just manually lower the fan speed either in the BIOS or download some software, problem solved. The issue would be if your temps are really high!

    Also, silly question but the fan cable is connected to the 'CPU fan' header/pins, as that is the only fan header able to control the fan speeds. If you connect to another fan port on the mobo they will run at full speed regardless!


    Edited by: "joshp" 18th Dec 2014

    I had a noisy CPU fan and after suffering it for ages I went into the BIOS and found there were some settings in the BIOS for the fan.

    Changed the settings and now it is fine.

    Original Poster

    guilbert53

    I had a noisy CPU fan and after suffering it for ages I went into the … I had a noisy CPU fan and after suffering it for ages I went into the BIOS and found there were some settings in the BIOS for the fan.Changed the settings and now it is fine.


    i checked BIOS yesterday, went through all options couldn't find anything

    Original Poster

    joshp

    As I say, if your temps are fine they just manually lower the fan speed … As I say, if your temps are fine they just manually lower the fan speed either in the BIOS or download some software, problem solved. The issue would be if your temps are really high!Also, silly question but the fan cable is connected to the 'CPU fan' header/pins, as that is the only fan header able to control the fan speeds. If you connect to another fan port on the mobo they will run at full speed regardless!



    i downloaded speedfan but it wont let me control anything

    augustas

    i downloaded speedfan but it wont let me control anything



    Are you sure the fan is connected to the CPU fan header on the motherboard? Because if you have connected it to another fan port it will work but it will just run at 100% i.e. will be very loud and you won't be able to control the fan speed as you have said above.

    Do you have any software installed that reads the CPU temp? Are you sure you haven't set a safe feature which will makes the fans run at 100% when a certain temp is reached? This would also override any fan control software.

    If that doesn't work then I don't know, however the issue seems to be that your mobo cannot detect your CPU temp in order to control the fan speed, which is normally does! Maybe your motherboard is faulty?



    Edited by: "joshp" 18th Dec 2014

    Original Poster

    joshp

    Are you sure the fan is connected to the CPU fan header on the … Are you sure the fan is connected to the CPU fan header on the motherboard? Because if you have connected it to another fan port, it will work but it will just run at 100% i.e. will be very loud and you won't be able to control the fan speed as you have said above.



    yes its been connected to the same connected for the past year

    The Zalman CNPS5X manual says it has pwm controlling the fan speed. So check your bios settings haven't changed and pwm control is enabled, check where the fans thermostat is, is it resting on something hot? check that the fans 4 pin connector is correctly fitted into the mobo, and that all the 4 wires are still in fully in the connector itself too, one of the wires carries the pwm signal and this may have come out while the actual power wires are still in.

    1st thing check actual temp of cpu it sounds like its gone high, make sure you clean dust from between fan and heatsink, also make sure you clean cpu and heatsink properly before applying new thermal paste.
    Sometimes people scratch the heatsink when re-seating, this can cause a gap between cpu and hs if this is the case you will need to replace the heatsink.

    Are you sure it's the cpu fan making the noise and not a system, psu fan or the fan on the GPU. If GPU fan make sure latest GPU drivers are installed reboot pc and hopefully it should quiet down when you log back into windows.

    Banned

    Are you sure it's the CPU fan?
    maybe check your power supply...... mine sounded like a plane taking off, swapped it for a new one and everythings peachy.

    Seriously, some may scoff, but it works on the odd occasion... blu tak a 2pence piece to the middle of the fan...like re-balancing a car tyre. (do be aware that the fan needs to be working in a horizontal position!)

    radishnet

    Seriously, some may scoff, but it works on the odd occasion... blu tak a … Seriously, some may scoff, but it works on the odd occasion... blu tak a 2pence piece to the middle of the fan...like re-balancing a car tyre. (do be aware that the fan needs to be working in a horizontal position!)



    I wouldn't scoff but i would try and find something metallic to do it with, in fact you could probably do this with just the blue tack.

    Original Poster

    Fixed - just reset bios
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