So I just now installed my Cooler Master Hyper 212 Evo fan because the one I had before didn't work. When I turned on my computer, the fan became really loud and hasn't gone any quieter. Before when I had my first Evo fan, it wouldn't make this much noise. Anyone have any ideas as to why?

8 years ago

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That cooler uses the Cooler Master Sickleflow fans (2000rpm). At full speed they're noisy.
You can probably turn it down in your BIOS. If it's already set to speed control, your cooler probably isn't seated right, so check your CPU temps.

8 years ago
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a 2000rpm fan shouldn't be too noisy... I would think if it's making too much noise it might be a faulty unit... i's always hard to say over the internets tho :P

8 years ago
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A 2000rpm Sickeflow is noisy as hell. I use them on my radiators, but at 800-1000rpm.

8 years ago
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guess I have never used one, most of my 2000rpm fans were pretty quiet. Especially compared to my 5700rpm CPU fan I had a long time ago... that thing sounded like a vacuum cleaner when turned all the way up

8 years ago
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Yeah it's possible we have different ideas of what "quiet" means, too. I couldn't be in the same building with a 5700rpm fan (sounds like Panaflos to me). :P

I used to run a LOT of Panaflos for overclocking before I switched to H2O. Now I like everything dead silent. Big radiators and low-speed fans. :)

8 years ago
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That's the problem with reading reviews of fans online. Some people say the fan is quiet and others say it's really noisy because everyone has their own opinion of what quiet and noisy is. Plus, the fans can be much quieter or louder depending on how you position the fans, the airflow through your individual case, the type of hole cut out in the case for the fan, and if you use a case that has sound deadening.

Also, the ambient noise in the room has a large effect. At 2 or 3 AM when everyone is asleep and there isn't a sound in the house, it can be a little noisy, but in the middle of the day with the TV and AC on, it's hardly noticeable.

I am currently using 4 sickleflow fans at full speed, powered directly off the power supply and it certainly isn't silent or all that quiet, but I do not consider it loud either.

8 years ago
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Okay, so I went to my BIOS settings, turns out the fan was on "FULL ON" mode which made it around 1900~2000 RPM. Lowered it to Level 2/3 and it went to around 1200 RPM (not so loud anymore) . Maybe I should reinstall it and reapply thermal paste? I'm using the one that came with the CM Hyper 212 EVO fan.

8 years ago
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The TIM that comes with the EVO is fine, don't worry about changing it unless it will ease your mind. Then go for it.

You should have a setting in the BIOS (right where you were, actually) that allows the mobo to control fan speed based on CPU temps. Letting the BIOS control the fan will make things much easier and keep the goods from overheating. :P

8 years ago
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Alright, thanks for you help! ^_^

8 years ago
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Quiet is 800 to 1000 rpm. 2000 is definitely not quiet. Follow Tzaars advice above. Did you put thermal paste on it? If there already was a thermal pad on the cooler did you remove the clear tape on it first before installing?
Have you set the fan control in the BIOS correctly?

8 years ago
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Just set it to Level 2/3 and now it's not loud, around 1200 RPM

8 years ago
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Make sure that the cooler is mounted right, if not that's probably what makes it sound like that.
Otherwise it might be a faulty one.

I've got the same cooler and even though I wouldn't describe it dead silent, it's nowhere near noisy.

8 years ago
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When you say "mounted on right", do you mean like having everything screwed on tight and having the fan face the right way? I also changed the fan settings in my BIOS, and not it's not that loud anymore.

8 years ago
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You want you fan to spread the hit outside the case to cool the inside of the case as well as the CPU, so if your cooler is facing the front of your case like this you are okay. It's not like the other way is completely wrong or something but that's what is recommended.

As for the mount, make sure it is not loose nor too tight. If it's too tight you gonna see your motherboard bend and if it's too loose it will have some free space to move (and that's gonna cause noise).

8 years ago
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Thanks for your help :)

8 years ago
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Go to your BIOS and set Min CPU Fan Speed to 12.5% and set smart target as 40-50 celcius.

Do not change your thermal paste, they get better when they dry so don't change it.

8 years ago
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Is having 1100-1200 RPM (level 2/3) fine because that's what my CPU fan is at. It doesn't go by percentages in my BIOS, but does go through levels from 1-9 or 10 I think. As I finished with the settings I was at a stable 25-26 Celsius. Idk if that's good or not. I also check my CPU Usage through Windows Task Manager and when I do nothing, it's around 10% or below, but when I play something like CSGO my CPU Usage goes to around 70%. So what temp "should" I be around?

8 years ago
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It's ok then. Up to 50-60C is okay but you should worry if it goes past 65C. If you're not annoyed with the noise on that level let it stay, your temperatures are perfectly fine.

8 years ago
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Okay, thanks for your help! :)

8 years ago
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Oh btw, in what way should I worry, what could I do to stop it from going past 65C?

8 years ago
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Depends on the model. The most recent i3/5/7 series have a thermal cap of 100 degrees Celsius, but of course, that's really hot and I'm not sure every brand/type of thermal paste is designed to handle that heat level. If you're at a stable 25-26 at idle, I wouldn't worry too much. You can run SpeedFan or something like that and watch for what it says the maximum temperature is. If it goes over 65-70 I'd worry, but again, the chipset is probably designed to run a bit hotter than that without issue.

Edit: http://www.tomshardware.com/forum/256908-28-what-maximum-temperature-stock-core discusses temperature caps for i7, but I believe all the iX series are the same thermal cap.

8 years ago
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check the CPU temps, with CoreTemp or SpeedFan, if the temperatures are high(check normal temps for ur CPU using google if your not sure) then theres a reason behind the loudness, if not, then probably the sensor is busted, you can use SpeedFan to set an fan profile to your liking.

8 years ago
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I'd like to thank everyone here for helping out!

8 years ago
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