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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P4 Freezes after few seconds, CPU fan is broken

I got an old P4 generic PC, I want to make a good use of it as a file server. When I opened the case I discovered that the CPU Fan plastic base is broke so it isn't fully attached to the motherboard, ...
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3answers
24k views

Sony Vaio CPU fan runs at full speed after installing Windows 8.1 preview

I installed the Windows 8.1 preview on my Sony Vaio E Series 14P (http://www.sony.com.au/product/sve14a27cg) and now my CPU fan is running at full speed all the time. When I first start my computer it ...
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2answers
70k views

How can I keep my laptop fan on the entire time?

I have a fan on my laptop that doesn't turn on often enough. The computer doesn't crash, but becomes very laggy. When the fan turns on the computer starts running fast again. How can I keep the ...
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3answers
4k views

Set fan speed by RPM on Thinkpad T420s in Linux

The only interface I've found for setting the fan speed with the thinkpad-acpi module, is setting pre-defined levels, 0-7. Example: sudo su -c 'echo "level 2" > /proc/acpi/ibm/fan' I would like ...
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2answers
3k views

Linux: how to stop fan programmatically?

My system doesn't reacts at writing values below 255 to /sys/class/hwmon/hwmon0/device/pwm(2,3) which correspond to 3-wire case fans connected via M/B (ga-890gpa-ud3h) headers. The idea was taken from ...
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1answer
4k views

How do I find out which fan will fit my motherboard?

I have a MSI k9n6gm motherboard, where the fan's holes aren't really in a square; it's more of a rectangle. After asking a TigerDirect representative, I tried a fan. It didn't fit and I'm going to ...
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4answers
489 views

new pc..noisy fan

It's a new build, but it's always had noisy fans. From start to end, they will not stop running. The case is a cooler master which I believe comes with a fan that is not controlled by BIOS (according ...
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1answer
3k views

How to control fan speed on Compaq Presario under Ubuntu?

I have a Compaq Presario R4000 running Ubuntu Linux 9.10 karmic. The system runs very hot and one of the fans is wither never running or always running at the slowest speed. For a while I thought the ...
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1answer
7k views

Lenovo Thinkpad Overheating

I recently re-imaged my computer to a version of Windows 7. It was working fine until it started shutting down whenever I played a game online. Even just browsing online it is getting too hot and I'm ...
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6answers
4k views

Why is my CPU fan so loud?

I bought an old PC to use as a second PC. Everything is fine, except for one thing. The CPU fan is terribly loud! I did a lot with PCs but I never did much with CPU fans. If I want to replace it, ...
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4answers
2k views

fan doesn't spin

I have a dell latitude 820. The fan was blocked for a while, after removing the crap (hair, etc.) the fan didn't work anymore. I tested the fan, but that part was OK. So I think the fan controller is ...
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1answer
3k 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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1answer
2k views

Fan keeps still running even after shutdown. must long press power button to stop it

I have a problem with my PC on win7 64bit. My specs: i7 3770k with a MB asus PZ77 V LE and a custom fan cooler master Hyper 212 I know that this is a recurring problem, but so far i was not able to ...
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1answer
815 views

Notebook fan spinning at max after trying Linux

I have a Thinkpad T420 (4178-BSG) I use with Windows. The fan (cpu) was always very quiet and I was completely satisfied with it. A few days ago I booted Backtrack Linux from a flashdrive and the fan ...
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9answers
9k views

Why is my computer fan so loud?

Recently my home desktop computer has been reacting a lot more to heat levels. The fan starts maxing out just about any time the CPU is used, and it's very loud. It didn't use to do this - only in the ...
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3answers
2k views

Computer shuts down without warning

I have a problem with my Packard Bell EasyNote TS11HR laptop. Whenever I play any games, my computer just shuts down after 5mins playing. Without any warning at all. I already did some research on ...
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3answers
4k views

Tricky workaround to power supply a GPU fan: is it safe?

My nVidia GeForce 8800GT had a serious problem with its stock cooling fan: it started to make strange noises and I later discovered that it was hitting the heat sink, because of an abnormal rotation ...
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4answers
2k views

Computer fan starting to make noises, can't unscrew the laptop. Got a solution?

Some bit of paper must have been swallowed into it. Some days no noises at all. Others days it goes on and off. I can't get access to the fan, there seems to be glued plastic parts involved.
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2answers
1k views

Computer case front bay fan?

I've recently built a new sandy bridge rig for my computer. Up until now, I've mostly been running low - mid performance PC's with no need for extra case fans and such. However with this new rig (i5 ...
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5answers
601 views

CPU fan error after replacing the fan

I am getting a "CPU fan error" after replacing the fan. The fan makes noises at that time as well. I rebooted it and it worked. Next time the error occurred I rebooted again, but that didn't solve ...
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6answers
13k views

CPU Fan is Loud, but the Temperature is OK (I Think)

I recently find that my CPU fan is getting louder and louder. It is now so loud that I bother to type up a question on it. The first thing I check is the temperature using Core Temp, it seems that ...
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3answers
1k 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
2k views

Windows 7/ATI graphics: GPU fan speeds up when display goes into sleep mode

I am using Windows 7 Professional 64-bit with an ATI Radeon HD 4870 video card with latest drivers (Catalyst 12.4). In normal desktop Windows use, the fan of my video card powers down and is so quiet ...
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1answer
2k views

Installing a case fan: What to do when there's no spare 3-pin and no Molexes at all?

My fan came with a 3-pin connector and a little extension cord to piggyback on a Molex if necessary. It seems that the only kind of power connector my PSU has is the ATX 1.3 (i.e. SATA), and there's ...
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3answers
4k views

Brand new Mac Pro tower fan suddenly runs full-tilt

My Quad-Core Mac Pro tower is two days old. Initially, I was impressed with how quiet it was compared to my older Macbook Pro. Then on day two, for some reason it started running very loudly. It's ...
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3answers
345 views

Controlling fan speed with Windows

I have an Asrock mainboard with terrible software to control the fan speed: it doesn't start automatically and it doesn't run for all users. So I'm looking for Software to control the fan speed. It ...
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1answer
1k views

Antec 900 fan plugs are not compatible with PSU or motherboard

I have an Antec 900 case, which has two small fans in the front, a large fan on top, and an exhaust fan in the back, all of which have individual power cords/plugs. They look identical to the piece on ...
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3answers
5k views

Graphics card fan stops intermittently. Is it normal?

I notice that my graphics card's fan sometimes stops running for a while, and then after that it runs again. Is it normal or Is it supposed to run all the time?
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2answers
1k views

The fan on my heat-sink is dead, how do I figure out what to replace?

The fan on my heat-sink died and I need to know how to tell what type of heat-sink it is, if there's anything beyond thermal gel that I should think about?
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3answers
918 views

Quadro FX 3800 fan goes crazy on bootup

I have a Quadro FX 3800 whose fan goes to max speed when the computer is turned on, and it's extremely loud. It only settles down when Windows boots up and loads the driver for it. Is this normal ...
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1answer
187 views

Power only Fans from Power Supply Unit

I have a PSU that I want to use to power two 120mm 12v fans. This power supply is not connected to a mother board. The fans came with an adapter to plug them into Molex cables. I have connected the ...
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2answers
183 views

How to clean green gunk off case fans?

I just bought a used custom-built computer locally. In the process of checking the hardware, I notice that the case fans have accumulated a lot of green "gunk" and I've tried wetting the edge of a ...
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4answers
425 views

How do I find a replacement fan for an IBM T40?

The fan in my IBM T40 has died. I have taken the laptop apart and I see that it no longer spins. It kinda whirs for a bit and then stops. I've found some replacement fans on E-Bay for $10. What ...
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1answer
32 views

How important is it to equalize fan intake/exhaust?

How important is it to make sure that my intake and exhaust fans are moving equal amounts of air? I have seen various answers to this online, ranging from that it is unimportant, to it could strain ...
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2answers
715 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
810 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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2answers
2k views

How to remove fan and cooler from motherboard?

I have mb ECS 945GCT-M2 and want to remove fan and cooler in order to clean them, but I can't see any screw or something to make them off. Any help pls, and any additional advice ? here is the ...
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3answers
9k views

Enable CPU fan always on

I am using 3 years old overheating laptop and I want my CPU fan to be spinning 24/7 regardless of the consequences. How to make it spin? The problem is that CPU & GPU heats up to 68°C (154 F) ...
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3answers
719 views

What is wrong with my computer case air circulation. My CPU goes up to 80 degrees

So I assembled this computer and I think I made a mistake with the fan positioning. My CPU temp goes up to 80 degrees and I have to open the case and put a fan under the case to bring it down. It ...
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1answer
531 views

Video card is a little noisy. Coffee type grounds near the fan

I have a Palit Nvidia GTX-460 PCie card. Half the time it is a little noisy. A light rattle and a light squeak. I have taken it out and have made the following observations. The fan is not hitting ...
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3answers
505 views

Would this short circuit?

My computer case has a built in fan which uses a Molex 8981 connection for power, but before reaching the fan, the wires split to form another male molex connector. My problem is that if I was to ...
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3answers
751 views

GPU overheating

I have an nVidia GTS250 that, in the last couple of months, has decided that it has a problem with newer games. Older games are fine, but anything made in the last couple of years will eventually make ...
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1answer
437 views

Problems with chip fan and CPU fan

I have a five-year-old ASUS motherboard that has been working fine for me for years, until I attempted to power it on yesterday and got a CPU fan speed and chip fan speed warning. Cracking open the ...
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3answers
3k views

External harddrive cases - Is a fan recommended?

Is a fan recommended for a an external harddrive case and does it significantly prolong the life of the harddrive? Does the answer change for slower harddrives (5200RPM)?
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2answers
646 views

Adding extra fan on my setup. please advice on proper Exhaust or Intake of Fan

I modified my computer case so that I can add more computer fan to make my computer cool this summer. I need your thoughts on how I can improve my idea and I'm open to all of your advice. Status: ...
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2answers
305 views

Monitoring systems fans and temperatures

I am trying to use GKrellM (http://members.dslextreme.com/users/billw/gkrellm/gkrellm.html) to monitor my system's fans/temperatures (I am trying to undervolt the fans a bit to make the systems ...
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4answers
147 views

strange problem with my motherboard

i have strange problem with my computer. i tried to turn it on, the computer was started ok, but i didnt see anything on screen. i tried to understand what cause the problem. its was'nt the HD or ...
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1answer
887 views

MacBook Pro Fan Always Kicks on After a Few Minutes of Inactivity

Over the past couple of weeks, I've noticed that my macbook's fan ALWAYS kicks on after a few minutes of inactivity. It doesn't seem to matter how many programs I have open or what I was doing ...
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3answers
297 views

Is there a way to find out what component in my laptop is generating noise?

My Inspiron 300m is making a loud noise and I think it's coming from the fan. Is there a way to confirm or verify where the noise is coming from?
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3answers
2k views

Anyway to diagnosing a laptop fan issue without physical access to the fan?

I have a Dell Inspiron 9400 with a Nvidia GeForce 7800 video card. The fan on the video card seems to not be working as it get extremely hot on the side where the video card is. I can see the fan ...