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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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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3answers
4k views

Check that Laptop Fan is Functioning Correctly on Linux

I just completely disassembled and reassembled my Dell Studio 1555 laptop. I had to remove the hard drive, WLAN card, unplug optical drive, display connector, even the motherboard to get to the fan. ...
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9answers
7k 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
1k 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
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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
542 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
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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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8answers
4k views

Do fanless NAS devices exist? If not, can I build one myself?

I'm interested in finding a fanless NAS with at least two drives for silence and reliable storage (RAID 1), but I haven't been able to find anything. Do these exist? Or does having a CPU in the NAS ...
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2answers
2k views

How do I properly install a fan in my computer case?

I have a new desktop PC with Intel Core 2 duo. I now just buy a cabinet fan and I need to place it on the back side of the cabinet just below the SMPS. How can I place it there with appropriate ...
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3answers
693 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
1k 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
1k 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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1answer
767 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
3k 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
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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
791 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
180 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
165 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
408 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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2answers
46 views

How does airflow work inside ATX PSUs with 12cm fans? [closed]

It sucks in air from inside the case but how does the heated air get out of the PSU? There's holes at the back but we all know that hot air doesn't travel sideways unless forced. Also in my case the ...
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2answers
484 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
502 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
7k 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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2answers
205 views

HD3870 fan doesn't spin

I found one similar question on superuser.com but it doesn't answer for my problem. Today I noticed that my graphics fan doesn't spin at all. It's Radeon HD3870. I found some 'adivce' on the Internet ...
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3answers
15k views

Should I disable CPU fan error message and how?

I have just completed my first "build" consisting of: ASUS P8Z77-V-Deluxe motherboard, Intel i7-3770 processor, Coolermaster Hyper 212 EVO CPU cooler. Each time I boot the computer, the ...
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1answer
508 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
453 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
701 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
423 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
2k 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
588 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
288 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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1answer
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Help me understand SpeedFan settings

My computer fans speed up and down whenever my cpu use twitches. The varying sound of the fans is very annoying so I installed SpeedFan to try to fix this. I have fiddled with the SpeedFan settings ...
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4answers
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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
787 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
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 ...
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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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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
292 views

The cooling fan works on max

The fan on the board (and the processor) sometimes decides to go nuts and works on max power. I look in the Task manager and there is no process that loads the CPU, HDD or the memory. The fan is clean ...
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1answer
211 views

Removed and re-installed SDRAM chips, computer won't boot (Fans on full blast)

I've made a horrible mistake! My boss's computer has been having problems lately and he suspected they had to do with his solid state drive. He asked me to swap his SSD with another identical computer ...
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2answers
45k 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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2answers
4k views

Windows 8 100% Real CPU Usage by System Idle Process

The problem seems easy at the first glance but is a little more complicated. The machine (Lenovo laptop) has Windows 8 Pro, a Intel Core i7 and all 4 cores run at 100% . The fan runs at full speed the ...
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2answers
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HP Pavilion dv6 overheating, how do I set fan speed to 100% all the time?

So I have a HP Pavilion dv6, and it works fine. But when I play, say, Minecraft, the temperature jumps to around 60c-70c. I wouldn't be bothered by this, but I bought this computer and played ...
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3answers
3k views

Ubuntu/Toshiba Fan Speed Issue

I am using Ubuntu 11.10 AMD64 on my Toshiba laptop (L505D-S5965). After I boot into the OS, my fan works perfectly being mostly quiet. Recently, I noticed that whenever I resume from system ...
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1answer
593 views

GPU fan making noise intermittenly

A few weeks ago I purchased a GT 430 for my desktop and installed it. Upon booting the machine I heard a fairly loud noise that I figured was a stray cord hitting a spinning fan. I shut down the ...
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1answer
2k views

Fans not turning off when custom built computer sleeps

I just finished building my custom PC, and I have two 80mm fans that have molex connectors, but not the three pin cables that connect to the motherboard (mine is a MSI H55M-E33). So, I just connect ...
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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 ...