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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311 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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3answers
370 views

How unsafe is not tighing screws diagonally?

Image example: When I first installed my Hyper 212 Evo I didn't follow the instructions closely, and did not do the above. The machine seems to runs fine but I'm paranoid I damaged the 3770K in ...
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2answers
62 views

is there a way to turn on fans but not the CPU?

I was curious as to whether I can make the fans run while the GPU,CPU, and hard disks are powered down. I want to do this to help cool down quickly without the components generating extra heat. is it ...
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1answer
13k views

Do I need to replace my CPU or Motherboard, PC not powering on

My PC will not power up at all, after thinking it was the PSU I replaced that to no resolve. When I try to power on the PC the CPU fan will move about 1mm and then nothing. I tried all sorts, but it ...
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1answer
940 views

Macbook Pro - Removing Thermal Sensor, problems?

I'll try be brief. My macbook pro 2008 unibody, kept asking me to shut down, if you kept pressing cancel it would wait, and ask again... and repeat until it just turned it self off. After it would ...
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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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0answers
929 views

Force notebook fans to run at 100% all the time

RivaTuner doesn't detect my dedicated graphics chip (AMD 7470M) which seems to control the fans, so I can't force fan settings. SpeedFan is unable to display the RPM and has no effect, and my ...
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1answer
1k 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
1k views

Case fan blades spin in reverse

I just purchased an off-the-shelf 92mm case fan, plugged into the 4-pin sysfan header, and noticed right away after powering-up that the air flow is reversed – from outside to inside the case. My old ...
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2answers
11k views

Acer Aspire V3-571G Fan Settings

My laptop is very hot I just bought it like 2 days ago. It most of the times up to 60 c and the only thing I have open is Google Chrome or just only Skype, I think it's way too hot for just one ...
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1answer
578 views

Could not open Cooling pad fan

I am trying to open a brushless DC fan of computer Belkin cooling pad. I have accessed the fan from the cooling pad. I don't see any screws to deattach the fan from the motor. Please see the images ...
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0answers
389 views

i5-2500K (3.3 GHz) processor with H80 water cooling on a P8Z68-V PRO overheating/CPU fan not found

I built my computer a while back, and I have had this type of issues on and off all the time. When my computer is actually loading Windows, it works like a charm. The idle temperature is 25-30 ...
2
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1answer
217 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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1answer
78 views

Unusually loud fan [duplicate]

When I leave my desktop computer off for a period of time and then turn it on, the fan is very loud (in a way that makes me think something is wrong). Oddly, if I shut down my computer and then ...
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3answers
739 views

How do PC fans know how fast to spin?

Building my first PC tomorrow, and one thing is confusing me. How do the fans know how fast to spin? The CPU fan is connected to the motherboard's 4pin cpu_fan socket, so I can understand how it can ...
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1answer
1k views

CPU Fan not working properly?

Recently I just built my own computer. However the temperature of my processor becomes very high and my CPU fan is not able to cool it off when I run multiple programs. MY CPU temperature can go as ...
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3answers
20k 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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1answer
794 views

why my intel core i3-2310M CPU @ 2.10 Ghz become so hot?

i use Hp Pavilion g4 with intel core i3-2310M CPU @ 2.10 Ghz. I've checked my laptop and the core temperature is among ~75°C and also my fan is working so hard all the time even if I don't use it (in ...
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1answer
5k views

One out of my two system fans is not being recognized by the motherboard

I have an MSI 970A-G43 motherboard and I have two Rosewill RFX-120 fans connected to the sysfan1 and sysfan2 connectors in the motherboard. The fan connected to the sysfan2 port is not being detected ...
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0answers
102 views

Overheating iMac(2008) with kubuntu 12.04

I have an 24 inch iMac from 2008 and I installed Kubuntu 12.04 on it. The problem is: if I' m running and CPU-hungry program(Android Emulator, Virtual Box), the CPU goes to 80C. Also the screen is ...
4
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1answer
2k views

Why is my CPU cooler fan delayed at startup?

I've just finished building a new computer with one of those new-fangled Haswell CPUs; in particular, the Intel Core i5-4570. I plug in the power, turn it on, and watch as everything starts spinning ...
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1answer
40 views

Dozens of spontaneous reboots

I am working on a SUSE Linux based system that runs 24/7 and has done so for around 3 years although I cannot say that it has not been rebooted in that time. At 9th June there apparently was some sort ...
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3answers
1k views

In a laptop cooling fan, what are the grills (for air flow) called? And what's heat sink?

My laptop's cooling fan is pretty much identical to this: (Image credit) As detailed in the question, I would like to know what the grills on the side of the fan, which enable hot air flow out of ...
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1answer
246 views

When I opened my desktop computer, it makes very loud fan noise [closed]

It's been like these for months. I still don't know what starter it.
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1answer
229 views

Case front fan blocks HDD bays

I'm building a new computer with a friend at the moment, but we've installed the front fan and discovered that it blocks access to all of the 3.5" bays. Any devices we put there stick way out for the ...
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0answers
407 views

CPU fan failing to start on boot sometimes

I have a fairly old desktop, which I like to use a fair bit over my newer PC's however sometimes on boot, the CPU fan fails to start. I had this problem previously, and I simply bought a new fan. I ...
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2answers
906 views

Fan off under 90°C

I have a new Samsung PC, model NP350V5C-S06FR. It came with Win8, but I removed it and replaced with Ubuntu 13.04 & Windows 7. In Win7, the main fan does not turn on (i can't feel any air), ...
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0answers
400 views

Unable to locate annoying noise source in HP DV6 laptop

I've had a HP DV6-1340SS laptop for about 3 years. Some months ago, I started hearing some kind of unusually loud fan noise with no apparent relation to CPU load. It's not the usual air sound, it ...
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2answers
1k views

Is a positive, neutral or negative pressure airflow design preferred when using a single open cooled graphics card?

With a blower type graphics card, I don't think it matters very much whether you arrange the fans in your case to provide positive, neutral or negative pressure inside your case, since the blower ...
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0answers
3k views

My idle GPU temperature used to be ~35 °C, lately it's been ~60 °C idle. Is there need for concern yet?

For ~95% of the time, I'm not using my computer for games or anything else graphically intensive, so my GPU rarely heats up to the recommended maximums of ~100 °C (212 °F) that it shouldn't exceed (as ...
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2answers
657 views

Noisy GPU fan after standby resume

I have a GeForce GTX660 and a GTX8800 on my system. When I had Windows 7 they both were quiet a lot. Now after the upgrade to Windows 8 I notice the following: when system boots up the fans spin fast ...
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2answers
7k views

Did I fry my motherboard or my power supply?

I just installed a second video card (GeForce 7900 series) alongside my older GeForce 6700 Series. After the computer was powered on for about a day, I came back to find the unit dead, with the power ...
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1answer
198 views

MacBook Pro heat issue

I have a MacBook Pro 13" (exactly this one) and seems to me that it's heating pretty much. The temperature is usually 80°C, and sometimes goes up to 90°C while just taking back-up and some internet ...
0
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1answer
75 views

What can cause sound inside computer aside from fan?

There is a slight whirring sound from inside my laptop. However I realized that even if I unplugged the fan, the sound would still exist. I also have a ssd. Is there any non moving part that could ...
0
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1answer
753 views

How to control fans rpm manually on Intel DP43BF motherboard

Wonder of how can I manipulate fans' rpm on Intel BP43BF motherboard manually? I've found in Bios only setting to disable automatic fan speed manipulation, but there isn't any way to set rpm speed. ...
0
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1answer
796 views

Laptop Overheating Issue - What should I replace?

So I have the Asus M50Vn (which is similar to the M50Sv, which there is a disassemble guide out there on Google if you'd like to know what mine looks like inside) that is about 6 years old and is ...
0
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1answer
87 views

System fan control on ga-ma69g-s3h

I connected videocard fan to SYS FAN on my mobo: ga-ma69g-s3h. Now it rotates all the time with full speed. I want to control it, for example with SpeedFan. Unfortunatelly I can't achieve that. When I ...
3
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2answers
50k 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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0answers
103 views

Windows 7 won't reduce fan speed

I'm using Windows 7 Ultimate, and I have an Asus M2N-X motherboard and an AMD Athlon 64 X2. If I do something, what is raise the temperature, the OS raise also the fan speed. It will stop about 3,3k ...
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3answers
463 views

Hardware: Can a PC case fan be dissembled and cleaned?

Situation: I have an 80mm case fan that is clogged with dust in/around the motor. The fan has become much harder to rotate manually and sometimes stops altogether when powered. Question: Can a case ...
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2answers
628 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 ...
0
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1answer
4k views

All fans spinning at maximum speed with Linux

I installed Fedora 18 on my desktop computer and I've got an issue. All the fans are all the time spinning at maximum speed. Like, you know, when my computer boots they are too, which is normal ...
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1answer
565 views

PC crashes after a few minutes of watching video

I have a Dell ST2320L_HDMI monitor and a ATI Radeon HD 4600 Series. The PC itself is a Dell Inspiron 530S. I'm running Windows 7 Home Premium. The Device Manager says my current driver for the ...
2
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2answers
5k 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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1answer
867 views

CPU overheat after cleaning the fan

I have decided to clean my computer. I opened it, removed the fan from the CPU and cleaned it. It was jammed with a lot of dust. After I put it back, and it rotates much smoother and better, I started ...
2
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2answers
218 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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1answer
3k views

Compatibility between 3 pin and 4 pin fan connectors

Can I plug a 4 pin fan to a 3 pin header? If I were to use a Rosewill Model RCW-FPS-401 12" PWM Splitter to split a 4 pin header in my motheboard to three 3 pin headers, would I still be able to take ...
3
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1answer
138 views

Fan flow direction

can someone tell me how can I place my fans for optimal cooling. My main problem is in fan #1 and #3... I don't know what is better: change flow direction of fan #1 or change flow direction of fan ...
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2answers
162 views

600W vs 1200W PSU in terms of noise? [closed]

I've been wondering, if my system draws about 400W at peak, which PSU would be quieter? assuming both are from the same manufacturer using the same type of fan and cooling mechanism? My theory was the ...
0
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1answer
312 views

How do I keep my laptop fan on?

My Toshiba laptop is completely dusted out and I keep it on a dinner plate to keep a consistent air flow. The problem is the fan stops. I know that it is supposed to turn on when needed but it doesn't ...