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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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
120 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
1k 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
2k 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
111 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
350 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
548 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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0answers
135 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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86 views

sensors and fan control not working on w83627dhg

My question is: Why the fan speed are 0 RPM? How Can I to change the fan speed? sensors output: coretemp-isa-0000 Adapter: ISA adapter Core 0: +48.0°C (crit = +100.0°C) Core ...
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0answers
47 views

Change the fan speed

I have installed lm-sensors in my server (OVH). The fans speed (1-5) are 0 RPM forever, why? sensor output coretemp-isa-0000 Adapter: ISA adapter Core 0: +45.0°C (crit = +100.0°C) ...
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2answers
388 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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179 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
715 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
3k 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
61 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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0answers
394 views

Cooler Master Hyper 212 Evo Second Fan Mounting Brackets

I have a Cooler Master Blade Master 120 that I've mounted as a second fan on my Cooler master hyper 212 evo. I'm concerned I may not have properly setup the mounting Brackets. I got two sets of screws ...
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1answer
105 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
5k 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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0answers
67 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
537 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
547 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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57 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
86 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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888 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
3k 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
603 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
520 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
2k 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
40 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
166 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
60 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
80 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
99 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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1answer
72 views

Where to point external fan on graphics cards

I was redirected to here to ask my question. I have two graphics cards running 24/7 along with a small fan to help keep them cool. One card is in the motherboard while the other is raised on a rack, ...
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0answers
61 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
168 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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2answers
539 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
542 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
726 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
89 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
290 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
289 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
77 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 ...
2
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1answer
73 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
2k 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
44 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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39 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
17 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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2answers
149 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
671 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 ...