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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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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16 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
72 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
19 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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0answers
16 views

My Laptop cooling fan not working properly.Solution? [closed]

Cooling fan stops for sometime and then starts again.What to do to repair it?
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1answer
40 views

How can I quickly control my fan- and processorspeed? [on hold]

I'm searching for software which can be used to (quickly) change your CPU/fan speed. I regularly use my laptop for gaming, causing it to become really hot, mostly around temps of 90-100C. I don't ...
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0answers
29 views

CPU temperature sensor suddenly freaks out

Today when I started up my machine, the 100% fan speed remains unchanged. Apart from being worried about my CPU, the noise of 100% working fan drives me crazy. I did some tests and it confuses me. ...
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0answers
19 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
33 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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0answers
79 views

MSI Control Center doesn't save fan speed settings

My problem is that MSI Control Center, for fxa990-gd65 motherboard, doesn't save fan speed settings and resets them every time you shut down / restart the PC. It even has the save/restore settings ...
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3answers
192 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
39 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
40 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
62 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 ...
0
votes
1answer
50 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 ...
0
votes
1answer
31 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 ...
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1answer
40 views

Fans go to 100% during shutdown, Waiting for background programs to close

After telling the computer to shutdown, the Waiting for background programs to close. screen pops up, but does not actually list any programs that it's waiting on. The fans also kick up to full ...
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0answers
25 views

How to put a cooler on a CPU?

Some time ago I bought a computer (computer parts to be exact) and I assembled it myself. I have a motherboard GA-TA770-UD3 from Gigabyte with AMD Phenom II X4 955 (Black edition) + stock cooler. ...
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0answers
56 views

Game keeps overheating laptop?

I have an Acer TravelMate laptop.Recently I installed Portal 1 and whenever I play it, the CPU gets hotter and hotter until the computer is forced to shut down. With normal use (and even when there's ...
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0answers
203 views

Cannot control fan in ubuntu 13.10 thinkpad edge e531

I am having trouble with my fan on my Lenovo thinkpad laptop. I have installed lm-sensors and ran sensors-detect and also added option fan_control=1 as a module parameter. The issue is two-fold. ...
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0answers
78 views

How much power can a 3/4 pin fan connector handle?

I was thinking of buy 5 very high power 120mm fans. These ones to be sepcific. Delta PFB1212UHE. These fans require a lot of power. They are 4 amp, 48 watts. They sell them with the 3 pin ...
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1answer
83 views

CPU fan spins at post but not in Windows or BIOS

I have been experiencing random crashes and other issues with my machine which lead me to ask questions about troubleshooting Prime95 failures. Unfortunately I Have not yet been able to resolve the ...
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1answer
61 views

Is my laptop on Fire? [closed]

During winter days my laptop is having cold with the result when I'm booting it in the morning the ventilator is making some noise for 30 minutes. Today, however, it restarted around 4PM when I was ...
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2answers
84 views

Planning out an NES PC build (on the cheap) [closed]

I'm in the process of building a PC inside an NES case. I'm trying to get as much power out of it without breaking the bank. Rigging up the power switch and reset has been well documented, so this ...
2
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2answers
46 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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1answer
35 views

What can be used to lubricate a rattling fan?

My CPU fan started acting up a while back, it was making this rattling noise while running, so to fix the problem I grabbed a can of WD-40, took the sticker off the fan, and sprayed a little on the ...
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1answer
52 views

Computer is OFF, and fans turn on and off twice a day

We have an OptiPlex 755 desktop acting quite strangely here. It's powered off, not in standby or hibernate, and from time to time it will just start spinning its fans for a few seconds, and then turn ...
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1answer
507 views

How can I control my fans with SpeedFan? Doesn't show anything

I have a problem. My laptop gets really hot every time... Last time it was around 120 degrees. I need to control my fans with SpeedFan. But the problem is that my laptop doesn't see the fans. My ...
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0answers
23 views

Fan on new Mobo won't slow down

I recently replaced a motherboard with an Asrock 960GC-GS and the fans run at 4000RPM continuously. I went into the BIOS and played with the CPU fan speed by changing to level 1 from a 9 and it still ...
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0answers
24 views

Front fan controller power

I've just built a new PC with 11 fans. I've bought a very cheap Chinese fan controller with 4 channels, and I connected my 11 fans to each other in groups of 3 + 3 + 3 + 2, and each group to one ...
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1answer
15 views

power supply without original fan

Original fan (120 mm) rotates fast and makes quite a big noise I replace original fan with 140 mm fan which makes little noise. Original fan was located ~ 5 mm from other parts of power supply. The ...
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1answer
52 views

How to silence a notebook the second-most radical way? Performance does not matter

This sounds like a rather general question, but I did not find specific advice if one is eager to sacrifice performance for this task. The case: I am writing a thesis, and I need complete silence for ...
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1answer
217 views

SMD transistor on motherboard is blown after a big spark; case fan no longer works

So I installed a new fan and upon turning on the computer there was a huge spark with loud bang. Everything stopped working until I unplugged power from motherboard. Now upon boot, computer says one ...
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10answers
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My computer is loud: How do I tell which fan is the issue?

On my new computer, my fan(s) is/are plain LOUD! Using SpeedFan, I find that my temps are all under 32 degrees C under my normal use (IDK how accurate that is but the CPU itself says 27 C). The fan ...
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1answer
116 views

CPU Thermal Margin is very low

My computer is restarting unexpectedly for some days. First I though Its an os issue. I gone through all the sys log and didn't find any clue. Then gone through bios event log. Nothing was there too. ...
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0answers
53 views

Computer Fan Spinning Faster, But Temerature Is In The Negatives

Recently my computer has been louder than it had been in the past, so I looked into it and I believe that my CPU's fan is working harder than it did before (it's definitely not due to dust build up, ...
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1answer
261 views

OpenSuse 12.3 gpu fan speed

I won't go into the details of what I tried and simply explain what I want. graphics card: AMD HD 4870 So I'm usually working with Windows 7 and my gpu is at 54C with 30% fan speed when idle. Now I ...
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1answer
41 views

Having two vents on a laptop instead of one

On my levono thinkpad sl410 there are two vents. The laptop has two CPUs - does that mean that each fan has its own vents?
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1answer
53 views

Should I be worried about my cpu fan?

I recently started to build a new cpu. Everything seems to work fine, but one thing that scares me is that during testing the system out, my fan didn't start up a few times. This fan is just right out ...
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2answers
152 views

What kind of tape do I need to tape cpu fan to heatsink in notebook?

I'm cleaning up a notebook from dust and the cpu fan is usualy taped to the heatsink all around it. This time half of the original tape was also covered with dust so I want to just replace it. Can ...
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0answers
62 views

How much clearance does my GPU fan need?

I just installed a second nVidia GTX 660 in my desktop. Both cards are connected to the PCIe x16 slots. I am also going to be installing a small RAID card in the system also. Originally I was sure ...
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0answers
66 views

Samsung Series 5 NP520U4C-A01UB FAN won't stop running on Windows 8.1

My Samsung series 5, model #: NP520U4C-A01UB, has a fan that won't stop running. I mean, it runs the whole time that I use the computer and never stops. I have tried fn+F11 but that didn't solve my ...
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0answers
37 views

Using electrostatically charged air filters on computer fans? Will I just be blowing charged particles into my case?

I've searched long and hard to try to find a straight answer to this question, but there seems to only be information on how electrostatically charged air filters work (you know, the kind you put on ...
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3answers
55 views

My laptop's fan is buzzing [duplicate]

My laptop's fan is making a loud sound similar to buzzing and even vibrates. Could someone tell me if I just have to clean the dust inside the laptop box or I have to take it to a specialist?
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0answers
51 views

Fans continuously turning on and off

I have a custom built computer that has suddenly started to act strange. The fans will continuously start and stop randomly. When they turn on, they stay on about 1 to 3 seconds, then turn off for ...
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0answers
423 views

ACER ASPIRE V3-571G-9435 Fan not kicking in leading to overclocking

This laptop has always had this problem. The temperatures kick up to the thermal cieling of 99C for the CPU (i7-3610QM) and 94C for the GPU (GT 640M). Problem is, the FAN doesn't give a damn. It's ...
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0answers
72 views

Just built a pc, and the chassis fans are struggling

I have an Antec Three Hundred Two case, which comes with 2 chassis fans. I have an Asus Z87-A motherboard. The PSU is a corsair 850w. When I plugged it all together, and connected the case fans to ...
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1answer
31 views

Dell SC1425 Server Fan Issue

I have the above server in my garage and use it for web development. For the last couple of weeks the fans have been running at full speed and looks like one of them has failed as I ran a diagnostics ...
3
votes
2answers
74 views

Replacing faulty fan on CPU heatsink, minimum recommended air displacement

I woke up this morning with a broken fan on my CPU. The heatsink itself is a scythe Kabuto. The fan can be replaced quite easily at is a standard 120 mm fan. Now I'm not seeking for specific ...
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3answers
171 views

What kind of 3 pin fan connector is this, and where can I buy one?

I have a Cyberpower UPS with a very noisy 80mm fan, so I want to replace the fan with a quieter one. I bought a well-reviewed fan from Noctua, but the 3 pin connector doesn't quite fit. I didn't ...