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Installed New MOBO And CPU Fan Is Extremely Loud! HELP!

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October 17, 2013 6:24:58 PM

Hi guys,

So I just bought a new motherboard and spent some time redoing the processor and everything. I'm using the stock cooler that it came with and everything. I went to turn it out then the cpu fan ran at the fullest setting! It's so loud and I really can't figure out why. All the temps are normal on my CPU when I look at the monitors but they change very rapidly. I went to radio shack and got Artic Silver 5 and used that. Maybe I put too much? I put a line on the and it kinda is jelled up on the heatsink. Is this too much? I really need help with this. I don't wanna have to get another CPU after frying it or something.

i7-3770 @3.4GHz stock speeds, non-k, stock cooler
a c 863 à CPUs
October 17, 2013 6:45:55 PM

Maybe all you have to do is turn on some settings in UEFI/BIOS like smart fan or something like that.
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October 17, 2013 6:47:14 PM

rolli59 said:
Maybe all you have to do is turn on some settings in UEFI/BIOS like smart fan or something like that.


Yea maybe. there is a driver disk it came with too idk if that would do anything or not
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a c 863 à CPUs
October 17, 2013 6:49:51 PM

Well you will have to install the drivers for your new board for sure but the fan control is a part of your BIOS/UEFI setup. I believe it is smart fan that needs to be on auto so the board will control the fan based on temperature.
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October 17, 2013 7:00:00 PM

possibly the cooling fan hasn't been installed properly i.e. not screwed tightly enough, the rubber shock absorber wasn't put in place or another possibility is the fan itself is broken due to high voltage coming from the new mobo
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October 17, 2013 7:01:56 PM

or the fan speed is just too high
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October 17, 2013 7:07:37 PM

right but I'm not sure how to make the fan work properly. I never mess with mobo and cpu stuff because of these reasons
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a b à CPUs
October 17, 2013 7:08:14 PM

If you have an Asus board, they have a Utility called AS Suite. It'll come with, depending on your board-Fan Xtreme or Thermal Radar. Where you can control the fan speeds. But the Stock CPU fans are loud regardless.
But you may have just applied the thermal paste, or installed the heatsink incorrectly-causing alot of heat. And this causes your Fans to ramp the Fan up to high RPM's due to poor cooling.

Just a possibility, but always be sure to install the drivers, chipsets and update your BIOS. Not just when upgrading, but as routine for maintenance.
Not sure what brand or model Motherboard you have, but if you go to the manufacturers website, you'll find all you need for your board there. If you need help, just let us know on your boards model :) 
(And this'll hjelp us know how to set up your BIOS if needed as well)
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a c 863 à CPUs
October 17, 2013 7:10:16 PM

You have a manual that came with your board in there they will explain how to get to the fan control and what the settings do!
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October 17, 2013 7:12:17 PM

Jake Wenta said:
If you have an Asus board, they have a Utility called AS Suite. It'll come with, depending on your board-Fan Xtreme or Thermal Radar. Where you can control the fan speeds. But the Stock CPU fans are loud regardless.
But you may have just applied the thermal paste, or installed the heatsink incorrectly-causing alot of heat. And this causes your Fans to ramp the Fan up to high RPM's due to poor cooling.

Just a possibility, but always be sure to install the drivers, chipsets and update your BIOS. Not just when upgrading, but as routine for maintenance.
Not sure what brand or model Motherboard you have, but if you go to the manufacturers website, you'll find all you need for your board there. If you need help, just let us know on your boards model :) 
(And this'll hjelp us know how to set up your BIOS if needed as well)


Hey I have a brand new Z77A-G45 Socket 1155 chipset motherboard. I made sure the heatsink was tightened very hard and I even reapplied a diferent amount of thermal paste to the chip again.
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a c 863 à CPUs
October 17, 2013 7:24:22 PM

Chapter 2 in your manual page 2-7 under Hardware monitor "CPU Smart Fan Target
Controls CPU fan speed automatically depending on the current temperature and
to keep it with a specific range. If the current CPU temperature reaches the target
value, the smart fan function will be activated."

It is a part of building your own computer to be able to enter BIOS/UEFI setup and set the settings required for problem free ops.
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October 17, 2013 7:30:43 PM

rolli59 said:
Chapter 2 in your manual page 2-7 under Hardware monitor "CPU Smart Fan Target
Controls CPU fan speed automatically depending on the current temperature and
to keep it with a specific range. If the current CPU temperature reaches the target
value, the smart fan function will be activated."

It is a part of building your own computer to be able to enter BIOS/UEFI setup and set the settings required for problem free ops.


Yea man I already did this. Its telling me my fan speed is running at 4700 RPM (very loud) and my temp is at 39C. I set the smartfan option to on but it doesn't seem to be doing anything.. The first time I tried it i had a good amount of thermal paste and the second time I put less thermal paste wiping every last bit off from the old stuff and its still doing it so its not the thermal paste. Each Heatsink bar thing is securely locked in I even looked at the locks.
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a c 863 à CPUs
October 17, 2013 7:31:58 PM

Did you set the temperature for it to spin up?
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October 17, 2013 7:39:18 PM

rolli59 said:
Did you set the temperature for it to spin up?


I don't know how to configure it. I changed it to overclock genie mode and the fan goes from really low to extremely loud and keeps varying. This is a pain in the butt. Keep helping me man. I wanna figure this out please
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a c 863 à CPUs
October 17, 2013 7:53:10 PM

You should be able to set target temperature to 50+°C.
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October 17, 2013 8:10:39 PM

rolli59 said:
You should be able to set target temperature to 50+°C.


Okay I got it working I think. I changed the target temp to 70C and the min fan speed to 25%. So tell if I'm right or wrong here but this is what I think of this.The smart fan will will kick up the fan speed to whatever % at 70C and the lowest the fan speed can go is 25% if it has a low enough load. Correct?
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a c 863 à CPUs
October 17, 2013 8:24:38 PM

Yes correct but I would set the target to 60-65°C.
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