Problem with fans and noise. Results in heat problems

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Sendit420

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Jan 28, 2016
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Hi guys!

I recently built myself a decent computer for gaming.

Everything works fine except for the fans and the noise, which i would assume is because of the same problem. The case fans either work at full speed or doesnt work at all, while the cpu fan has to do all the work. This also results in higher cou temps which kinda worries me...

1: Why does my fans not work? (The leds are working)

2: How can i make it more silent, because at this stage the cpu cooler is almost as loud as a hair dryer...

3: When I try to get some information about the case fans it shows unrealistic numbers such as 65000rpm, why does this happen?

4: When i'm gaming the computer gets a bluescreen with the error WHEA_UNCORRECTABLE_ERROR and just restarts, why does this happen?

So the parts are as following:

Corsair Graphite 230T case with stock fans. (2 in the front, 1 rear)

Amd FX8350 processor with stock cpu cooler.

Asus M5A97 mobo (4pin fan sockets, but the case fans are 3pin fans)

550w PSU

If you need any more parts let me know!

Help will be much appreciated!
 
Solution
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I actually solved both the problems today! So for the fan problem I went ahead and bought myself a 4pin rear fan, which kinda fixed both the fans in the front haha! They now give the right rpms and work whenever they are under load. As for the cpu heating up i bought a new cpu cooler which holds my cpu cool!

The error message/bsod was caused by me trying to "overclock" the mobo. So a quick reset in the bios got rid of the bsod!

Thanks so much for your help! :)
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Paperdoc

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Your case came with 3-pin fans. That is becoming a problem as many mobos come with only 4-pin (PWM Mode) fan ports. The problem is that any 3-pin fan plugged into a 4-pin port can only run at full speed. The port cannot control it.

SOMETIMES you can "fix" this in BIOS Setup. SOME mobos offer an option for their 4-pin mobo SYS_FAN ports to change their operation to Voltage Control Mode and that's what a 3-pin fan needs. So IF your mobo has that option, set it that way.

Otherwise you have four options:
1. Live with it, and just tolerate full-speed fans.
2. Buy a set of 4-pin fans and replace all those 3-pin units that came with our case.
3. Buy and install a particular fan hub, the Phanteks PWM Hub. Unlike other 4-pin hubs, this unit uses the PWM signal it picks up from one mobo SYS_FAN port to create its own group of 3-pin fan ports operating in Voltage Control Mode, and thus you CAN use your 3-pin fans but under control by the SYS_FAN port.
4. Buy and install a third-party Fan Controller module. This gives you NO automatic fan control, but it allows you to set your case fan speeds as you wish. It also means YOU must check on system temperatures and set those fans to give you sufficient cooling.
 
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Sendit420

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Thanks for answering!

As for the live with it part: my computer seems to overheat. Just now i was playing some games and it suddenly blue screened.

Are you sure replacing them with 4pin fans will fix my problem or do you think i should invest in a cpu cooler?
 
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Paperdoc

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I'm not sure I understand some details, so please answer with more info:

1. Your post says your CPU is fitted with the stock cooler and that runs full speed a lot of the time, so it's noisy. Is that correct still? Are you using the cooler on the CPU and letting it run full speed? Where is that fan plugged in - to the CPU_FAN port of the mobo?

2. Your post also says the case's fans are 3-pin units plugged into mobo 4-pin SYS_FAN ports. Now, that should have them running full speed all the time. However, you also say sometimes they are not running at all. Is that true? Do they just suddenly quit running, or do you turn them off somehow?

3. Are the case fans each connected to different mobo ports, or do you have them grouped on one or two ports somehow?

What I'm working towards is the details of exactly how your fans are connected and performing. Then I can advise better. I am intrigued by the idea that the case ventilation may be very poor, so that all the air inside the case is too hot and the CPU cooler fan cannot do its job well because of this. But I can't be sure until I know more details.
 
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Sendit420

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So for the first question, I use the stock cooler that came with my FX-8350 which makes a lot of noise because it runs at about 3-4000 rpm. I'm using the stock cooler on the CPU, and yeah its connected to the CPU_FAN socket.

The second question, yeah they used to run at max speed, but lately i've recognised that they stop working. You may think they stop working because it isnt that much load, but no, even under high gaming i get this problem...
They just stop running by themselves.

As for the third question, each fan is connected to an individual CHA_FAN port. And not to a controlling unit or a extension cable.

 
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Paperdoc

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Fans like that should never just stop running. At one fan per port, you certainly are not overloading the port. I note also that at times they give you weird high speed readings. This makes me suspect poor intermittent connections.

When the three case fans stop, do they all stop at the same time? Or, does each randomly stop? And then do they ever start up again?
 
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Sendit420

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They doesnt stop at the same time, they just randomly stop. The rear fan stopped and almost never turns back on, the two front ones does start up by themselves and then stop randomly..

By the way, i noticed that sometimes when im gaming i get a BSOD with the message WHEA_UNCORRECTABLE_ERROR, you know anything about that?
 
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Paperdoc

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Random starting and stopping like that indicates unreliable connections to the fans. It is very odd that all of them have this problem. Re-examine how each is plugged into its mobo port. The ports are 4-pin and have a little plastic tongue poking up beside the first three pins. The connector from each fan is 3-pin female, and should have a groove along one side. That groove should match up with the tongue so that the connector only fits onto the pins one way. Make sure the connector is aligned properly, and pushed down all the way. It should not take much force at all.

I can't offer anything to help with that error message.
 
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Sendit420

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I actually solved both the problems today! So for the fan problem I went ahead and bought myself a 4pin rear fan, which kinda fixed both the fans in the front haha! They now give the right rpms and work whenever they are under load. As for the cpu heating up i bought a new cpu cooler which holds my cpu cool!

The error message/bsod was caused by me trying to "overclock" the mobo. So a quick reset in the bios got rid of the bsod!

Thanks so much for your help! :)
 
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