Fans are the primary cooling devices used in most types of computers and are typically installed in the case and in the power supply of desktop machines and are also often installed directly on the CPU or GPU.

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Loud Noisy (CPU Watercooler?) Fans

I have an issue with my computer lately, I built my computer 3 months ago and I assume my CPU watercooler fan is getting louder. I have a Corsair H100i Watercooler, Intel Core i5-3570k CPU, ASRock Z77 ...
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0answers
129 views

GPU sensor not working, fans out of control

My fans are out of control and my GPU is apparently hotter than the surface of the sun. I'm using an iMac with Windows 7, (no OS X partition) and I already tried resetting the pram and nvram. ...
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0answers
102 views

HP Compaq 610 cpu fan change

I want to check my CPU fan power port is working. Originally it had 0.2A fan. and it stopped working and i odered a fan and it is 0.5A fan. It is not working when it plug to mother board.External ...
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2answers
79 views

Fan speeds stay the same

My nvidia card always is at 28% fan speed. Why does this never change as the temperature goes up? Wouldn't that make it cooler, and thus, better? Is using software to increase that speed perfectly ...
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2answers
529 views

What direction should case fans be mounted?

What is the true for fans situation? Do all fans take away air from case? Or can there be one with take in function, e.g. in front? My installation looks like: Two Top coolers (OUT) ...
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1answer
526 views

How to regulate fan speed of external USB fan?

I installed SpeedFan, but the only fan showing up is the one inside my laptop for the CPU. Since today, I have an additional fan which is external below the Fellowes® - Precision Cooler Laptop Riser. ...
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1answer
289 views

Laptop starts up, runs perfectly normally for a few minutes, fan starts spinning very fasts, then shuts down

I left my Metabox p150 laptop underneath my bed for about a month, and now I have a problem where I can start up my computer, login and do anything normally for a few minutes, until the fan starts ...
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1answer
205 views

Is there a way to repair ripped off fan connectors?

The white ones with four pins that connect to the motherboard.
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2answers
254 views

How many case fans does a Thermaltake Versa H22 have?

I know this may not be the right place to post this but I couldn't find anywhere else. I also couldn't find the answer to this so I was wondering if anyone who bought one knew. If there is a correct ...
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4answers
6k views

What direction should the heatsink fan face?

My current setup looks like the following: Rear fan <----- Heatsink Fan <----- Heatsink Case: Arc Midi R2 Heatsink: Scythe Ashura with stock fan I've placed the fan so it sucks the air out ...
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1answer
43 views

Laptop cooling slacking off

Recently i've ran into the problem that my laptop had collected too much dust inside and starts overheating in difficult tasks (i.e. games), this happens every half a year or so, as always i opened ...
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1answer
136 views

GeForce 8400 GS fan stops turning on Windows 7 64-bit?

A user sent back their graphics card to me because he said that his screen kept blacking out. When I first turned the computer back on I noticed that the fan wasn't spinning very fast on the video ...
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1k views

CPU, GPU fans spinning at full speed after shutdown

My computer has been running fine for 4 years, but yesterday it starts to exhibit odd behavior: After I shut down the computer, the CPU and GPU fans start spinning at full speed (everything else ...
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2answers
2k views

HP EliteBook 8470p running extremely hot

(tl;dr; see my bold text) I've been using this HP EliteBook 8470p for well over a year - it has an I7 proc with 8gb of RAM and before ever turning it on, I swapped out the HD with a 512gb SSD. I was ...
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1answer
342 views

How can I set the laptop fan speed to 100% manually?

I would like to know if there is a way to set my laptop fan speed to 100%. I want something that I can assign a key to, so when I press combination of keys my fan speed will boost to 100% and pressing ...
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1answer
172 views

How can I delid or disassemble my v7800 video card to clean its fan?

The fan of my V7800 ATI FirePro videocard has recently gotten insanely noisy, and I suspect it's the dust in the fan. I took it out and tried to open it by loosening all screws, which took off the ...
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2answers
404 views

CPU overheats when display turns off

Since about a week I’ve noticed that my CPU heats up very badly as soon as the display turns off. I can't find any suspicious processes when I resume, but, if I leave the display off for more than 20 ...
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2answers
2k views

My LENOVO ideapad yoga keeps the fan on but not cooling the laptop…? Why?

For the last few days, my laptop tends to turn the fan on to cool the laptop down with no success. I keep my laptop on a desk where it's never hot or too dusty. I live in central europe, no desert or ...
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1answer
570 views

How can I prevent air from getting trapped by my video card in my case?

This is an overview of the airflow in my case. Anyway, I'm concerned that the air is getting trapped in the bottom left side of the case, under the GPU. First of all, there's no vent for it, ...
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2answers
531 views

High fan speed with no reason

For a few weeks, the fans of my Lenovo B590 laptop, running on Xubuntu 14, turn to high speed a few minutes after it is turned on. The fans won't speed down until I turn the computer off. This is ...
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1answer
178 views

Could a fan stopped (too low voltage incoming into it) during long periods become damaged?

Computer fans use to run at 12Volt, but most, as for today, use to allow 9Volt or even less to slow down the fan speed (RPM, Revolutions Per Minute). In cases of too low voltage, the fan stops, but ...
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2answers
337 views

Connecting mother board, power supply, and tower

I am working on putting together a desktop for the first time and and ran into a problem, I am not sure how to connect the fans that came in my tower, my power supply, and connect them all to the ...
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1answer
151 views

How to rewrite ACPI control tables from Linux?

I have a HP Probook 4720s laptop with broken ACPI tables. The fan is always switched off and the computer tends to overheat and shut down. Under Windows I can use a program called RW_Everything to ...
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1answer
2k views

After cleaning out dust, laptop fan always full speed

My laptop was getting too hot and I decided to open it and clean it (haven't done that in 5-6 years). I opened the CPU fan which had A LOT of dust in it and cleaned it. I also replaced the thermal ...
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2answers
3k views

CPU fan turns on and off repeatedly without booting

My PC has suddenly stopped starting up. On checking with case open, the CPU fan starts running when the power is turned on, but it stops after about 2-3 seconds, restarts again after about 2-3 seconds ...
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1answer
118 views

Laptop fan possibly not working, unsure

So, I have a Lenovo G550. I've had a few issues concerning the fan. Well, I think so. I have no way to open the laptop at the moment. I'm running XUbuntu 14.04. Anyways. I've noticed the laptop has ...
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2answers
432 views

Repair/Replace the Graphic Card's fan

Yesterday, I was cleaning my PC and after that, I tried to boot my pc and itself automatically after sometime. I checked all the fans and notice that my Nvidia GeForce 8400 GS Graphic card fan is ...
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2answers
603 views

AMD FX8350 CPU - CoolerMaster Silencio 650 Case - New Water Cooling System

Lately after a use of 6 months of my AMD FX8350 CPU I'm experiencing high temperatures and loud noise coming from the CPU fan(I set that in order to keep it cooler). I decided to replace the stock fan ...
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145 views

How to get a even higher Fan RPM than “high” with a third party tool or else

Background My laptop gets very hot after its 6 years. I cleaned everything with pressure air and new heat sink, but it didn't helped much. Then, I realized that the built in fan control isn't anymore ...
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2answers
482 views

Air Cooling versus liquid cooling in humid environments

Okay here's the deal I live in Nebraska and I am a PC enthusiast. Now as the rest of my fellow Nebraskans hit the corn fields this summer I mess with my PC to figure out the best way to cool it. ...
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0answers
220 views

How to oil fan with no holes?

The fan of my graphic card has turned very noisy. I read some tutorials and it seems that with a drop of oil I could resurrect it. The problem is, that it seems to be sealed. There are no holes in ...
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1answer
829 views

Speccy and SpeedFan not showing cpu fan speed

I have a HP dv3 notebook. I have just downloaded speccy. Altough there is written that speccy has the property that can show fan speed, my copy (v1.26.698) does not have even this line ever. When ...
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3answers
5k views

Will keeping all my fans at 100% speed harm my computer?

If I use a program such as SpeedFan to keep my fans at 100% power 24/7, will it harm my computer? I don't care about my power bill but if the excess power could harm my computer I would worry. I have ...
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1answer
72 views

Connect multiple DC Fans Together [closed]

How can you mechanically secure multiple DC fans together to form a fan array? I would like to create a 4x2 array of 120mm DC fans using Sunon MEC0251V3-000U-A99 (120mm x 120mm x 25mm). I tried 3d ...
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1answer
117 views

How to cool my laptop?

I've a 4 year old laptop that is consistently running 60-70 degrees Celsius. I cleaned the heatsink and replaced the fan as it was previously running at 90 - 100 degrees and although it was clearly ...
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1answer
6k views

MacBook Pro intermittently emitting strange noise

Starting a few days ago my MacBook Pro (late 2008, aluminium) has started occasionally emitting a strange noise. It happens maybe a couple times a day and lasts for maybe a couple minutes at a time. ...
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68 views

how do I know whether a fan error on post requires action?

I have an HP a6400f PC, (it's a tower) and after a brief power blackout, I started getting a generic "Fan error" problem upon startup. I can click through the error and boot into Ubuntu. ...
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3answers
691 views

Could a missing blade of a fan result in hardware failure

I'm using an example that I have just encountered, but it involves a more general question regarding computer hardware and airflow. For some reason my NVIDIA 9800 GT fried, I've actually no idea why. ...
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1answer
662 views

Thinkpad T410 Fix fan noise

How do I fix the fan noise on Thinkpad laptops? The fan is overly loud. More specifically how do I fix the fan noise on a T410 Thinkpad?
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60 views

Imac G5 fan running very high

I have an imac G5 24" 2.66 Ghz intel 640 GB hard drive with WD 1TB external 2 core duo. I had damage the unit in a move took it to best buy geek squad service and they replaced the lcd with one I ...
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1answer
92 views

CPU fan sounds like jet engine

I have imac G5 24" intel 2.66 Ghz early 2009 model A1225 Running Mac OSX 10.9.2 version Mavericks The unit was damaged in a move. Replaced the LCD and Hard drive temp sensor, have to start in safe ...
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1answer
995 views

MSI Control Center doesn't save fan speed settings

My problem is that MSI Control Center, for fxa990-gd65 motherboard, doesn't save the fan speed settings and resets them every time you shut down / restart the PC. It even has the save/restore ...
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3answers
4k views

CPU overheating, the fan won't speed up, but it's not the fan

I have 2 identical PCs, with the only difference being the GPU. One of the CPUs is overheating without the fan going up in speed, but if I gently press the fan manually, it speeds up as it seems to ...
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2answers
729 views

Need assistance in connecting my PSU fan cable

I noticed that my PSU got really hot during gaming (to the point where it shut down my computer). I searched my PSU's model name (AXP-630P12P) and it said that the fan on the PSU was supposed to start ...
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1answer
598 views

Cooling fans not working after win8.1 install [closed]

I have Sony vaio vgn fw490 after updating from win 7 to win 8.1 the fans not working. I have installed speedfan but I can see 2 fans but I can't control them. In bios I don't have an advanced tab, so ...
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4answers
3k views

Does running a computer with the case open mess with the airflow/cooling? [closed]

My friends say that it should actually improve the cooling since there is more air available to it, especially the CPU fan. I have to admit that it at least looks like it would stay cooler. I ...
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2answers
43 views

Should thermal compund be replaced after the heat sink is taken off?

I recently took apart a Dell Inspiron N5110 Laptop to clean the cooling fan and other stuff. This involved removing the heat sink as well. I did not put on new thermal compound when I put things back. ...
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1answer
196 views

Can a faulty CPU fan affect the screen

I have a Toshiba Satellite L650D laptop, which for some reason doesn't really want to work any more. Basically, if I start it up, the screen doesn't show squat. As far as I can tell it doesn't even ...
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1answer
64 views

Is my shift hitting the fan?

On my laptop, an odd problem has developed. Whenever I press my left shift key, I hear a funny high-pitched sound like something is spinning against it. No other key causes the effect. Is this ...
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1answer
88 views

How much voltage (and ampere) does the PWM input on 4 pin fan need?

I want to use my CPU fan for cooling of other components outside of the computer. The problem is that when not connecting the PWM, the fan runs at minimum speed. How high voltage and ampere should I ...