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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37 views

CPU is hot and CPU fan making very many RPMs and much noise. (CPU fan not listed in speedfan)

On Saturday I replaced the motherboard of my computer because my old motherboard wasn't working anymore. Everything went well, and after some tries my PC was booting and working! I noticed the CPU fan ...
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2answers
9k 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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0answers
21 views

replacing fan for laptop..two square component with thermal pad attached

I am replacing the fan on laptop and next to the CPU are 2 small square components that had a blue thermal pad attached, the pad has started coming apart. question is 1. what are those two items? ...
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0answers
16 views

iMac crashes randomly : apple hardware test codes 4M0T/40000003:HDD-1325

My iMac(mid 2011 27 inch) is consistently crashing after 15-30 minutes, vertical lines flash and it goes to a grey or pink screen, then restarts after about 2 minutes. I have run the apple hardware ...
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6answers
8k views

Sony Vaio E14 upgraded to Windows 8.1 has fan on full all the time

Having a bit of a nightmare after upgrading to 8.1 - the fan is constantly on maximum. This question and other sources around the net suggest upgrading the AMD driver. I have upgraded both the ...
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1answer
2k views

CPU fan turns on for a second and stops, PC does not start at all

I have checked my PSU and it works fine. When I turn on the MOBO, the CPU fan, case fans and the psu fan itself turn on for half a second and then turn off. The PC remains off. The Bios light turns ...
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2answers
55 views

PC black screen and fast fans

so I've had big issues with my computer for about 2 months now. After 2 years, my video card seemingly died, so I bought a 280x as a replacement. Well after 2 months, if supposedly failed as well, so ...
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0answers
15 views

Why does sensors-detect only see my coretemp-isa-000 adapter?

I am running Kubuntu 14.04 with an intel i7-4790k cpu and ASRock extreme 6/ac motherboard, but sensors-detect does not give me anything but the core ISA adapter. I know I can sense fan speeds on the ...
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0answers
38 views

MSI GTX 560 Ti Twin Frozr II fans stuttering/not working

I've narrowed down some performance issues I've been having to problems with the fans on the graphics card. One fan will rapidly spin for a second, then stop for a second, repeating forever. The ...
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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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1answer
33 views

Retina MacBook 15 retina fan noise: Should I replace or lubricate the fans to minimize noise?

My Retina MacBook (Mid-2012, i7, 256, 8GB, 650mb hard disk drive) is making a loud fan noise. Left fan is “OK” at 3100rpm when idle but the right fan us loud even at 2700rpm. I compare it to friend’s ...
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1answer
214 views

Noisy 1U fan, can it be changed?

I have a 1U computer I'd like to use at my desk, unfortunately, it is very noisy. It has at least one fan that pushes so much air that it sounds like an helicopter. The fan does not rattle, so the ...
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2answers
86 views

CPU fan speed not increasing while in game

I have a weird CPU fan issue - as long as I'm playing a game (Cities: Skylines), the CPU fan keeps spinning at the usual RPM while the CPU temperature starts increasing. As expected, the CPU overheats ...
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1answer
56 views

Case fan not spinning

I was plugging in my computer and I noticed that one of my case fans wasn't spinning and the other one was. I opened up the case and spun the fan with my hand and it started spinning again. I ...
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0answers
33 views

Laptop stand fans direction?

I have just purchased a portable laptop stand with some cooling fans that come attached but something seems the wrong way around. The fans air directtion pulls air through the laptop stand and down ...
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0answers
47 views

Why aren't my case fans spinning?

I have an ASUS P6T WS Professional motherboard mounted in a Thermaltake Armor+ case. The case has a fan on the front of the chassis that is functioning, but the rear fan behind the CPU heatsink (the ...
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0answers
33 views

How to limit the fan speed to X until temperature Y? (or similar)

Even though my laptop is cold, whenever I plugged it in, fan speed increases. How can I manually override the settings so that the fan speed is limited to X until temperature Y? (or something similar) ...
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1answer
26 views

Will a Noctua NH-D15 fit inside a bitfenix colossus full tower? [closed]

Building my first PC and wanted to make sure they will cooperate before purchasing. Thanks in advance!
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1answer
28 views

Annoying Fan noise vs slow down

I was in a situation where when I would scroll or navigate through Google Drive, there would be a slowdown while a fan that had been silent revved up. It would also keep me awake at night. So today I ...
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2answers
63 views

DVD drive seems to spin at a high speed with no disk inside - But CPU fan is the culprit, because of CPU high temperature

I am using Windows 7 (x64) and my DVD drive starts spinning slowly, then goes faster and keeps running so for tens of minutes: exactly the same behaviour as to normally use a disk, but with no disk! ...
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2answers
77 views

CPU fan speeds up in fullscreen mode

I have desktop PC with Win7. In BIOS I've reduced CPU fan speed and it seems to work fine in all applications. However if I start something in fullscreen, the fans speeds up immediately and becomes ...
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4answers
128 views

Laptop performance much slower after blowing out fans

I have an HP G60 Laptop. It's an old laptop that I got around 2010. It has a Pentium dual-core cpu (2.00 GHz), and 3 GB of memory. It was Windows 7 I resurrected this laptop mid-last year after my ...
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2answers
165 views

Ways to know whether my Laptop fan is working or not

On my Laptop the CPU Core Temps. have been relatively high recently (I think) and so there's a nagging doubt in my mind whether any of the internal fans have failed. What are other alternative ways to ...
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0answers
23 views

Computer Fan Placement (only 1 fan) [duplicate]

Possible Duplicate: Optimal Fan Placement and Direction for Air-Cooling a Computer I'm currently working on a computer that only has one large fan. The case has both front and rear cut-outs ...
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1answer
37 views

Why does this ThinkPad T60 fan permanently spin up and down?

I have a ThinkPad T60 computer here, and its fan is in one of three states, mostly the second one, which is totally annoying: Running normal at slowest speed. Spinning up and down between 3100 and ...
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3answers
49 views

Computer fans turn on, but nothing else

I've done some google searches, but nothing seems to fix my problem. I just got a computer from a friend, saying that it wasn't turning on anymore. I took it home, powered it up, and viola! beep ...
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4answers
5k views

What direction should the heatsink fan face?

My current setup looks like the following: Rear fan <----- Heatsink Fan <----- Heatsink Case: Arc Midi R2 Heatsink: Scythe Ashura with stock fan I've placed the fan so it sucks the air out ...
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0answers
30 views

CPU fan not always running on system start-up

I've recently noticed that the CPU fan fails to run on computer start-up. If I disconnect its power cable and reconnect it, it will run normally every time and for the whole duration the PC is on. ...
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1answer
110 views

What controls a laptop's fan speed? Vostro 3560 overheating

I own a vostro 3560 and I know about the terrible ventilation and heat dissipation problems it has. I've tried several configurations of the copper sheet fix, but what I've found is that my system's ...
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3answers
5k views

My CPU fan is running very high speed even with less cpu usage

Everything was ok yesterday , but now i have seen that my CPU fan is running constantly at very high speed. I tried restarting it. Before when i turn on the PC then fan used to run very high speed ...
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4answers
916 views

New desk makes my PC get really hot

I just got a new desk which has a cabinet spot for a PC tower. The problem is that it gets really hot in there. Should I wire up a fan to draw the hot air out?
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2answers
396 views

What direction should case fans be mounted?

What is the true for fans situation? Do all fans take away air from case? Or can there be one with take in function, e.g. in front? My installation looks like: Two Top coolers (OUT) ...
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0answers
52 views

Video card fan spins eccentrically, is it normal?

I've bought some hours ago a Zotac GTX 970 Omega AMP! core edition video card, and after visual inspection I've noticed that when manually making the fan spin, they move side to side after a complete ...
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1answer
1k views

HP Pavilion DV4 laptop fan always running at high speed

A few days back I had a display problem with my HP Pavilion DV4 laptop. I took it to a service centre and they told me that some NVIDIA chip on the motherboard needed to be replaced to fix this. ...
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1answer
64 views

What will make computer parts (PSU, MB, SSD, HDD, Fans) last longer: keeping PC always on or turning off regularly [closed]

Before I continue, there is no answer to this question on StackExchange. One is Is it harmful to keep PC always on? [duplicate] a duplicate of Is it better to leave your computer on all ...
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0answers
78 views

My laptop fan not running at it full speed

My laptop temperature is high due to the fan not running at it full speed. When I go in game for about 2 mins, my fps drop from 60 to 10fps I have go through Nvidia / in game graphic setting as well. ...
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0answers
101 views

AMD CPU fan bracket keeps breaking

I have a strange problem. The CPU fan mounting bracket on my AM2+ mobo keeps breaking. The first time happened about 6 months ago and the CPU fan had not been touched in about 2 years. Since then I ...
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0answers
20 views

Laptop fan starts, stops, starts, stops and continues like this

I have a Dell Latitude E5430. With normal BIOS settings my fan was not working until the core got heated upto 60 C. I installed speedfan to control my fan. I have set the fan to a 100% all the time. ...
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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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4answers
875 views

Is a noisy laptop fan caused by dirt on the fan?

I got a Sony Vaio laptop VPCSA and its fan is noisy intermittently. At times it is very noisy and at other times it is pretty quite. I wonder whether this is caused by dirt on the fan that I can clean ...
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7answers
20k views

Sony VAIO VGN-SZ240P Laptop Fan Control?

I have a VAIO VGN-SZ240P that I'm running WinXP SP3 on. In general it is a fine machine, but the cooling fan is quite loud. Does anybody know of a tool that I can use to view and manage the fan speed? ...
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2answers
110 views

Is 42 degrees Celsius a safe ambient temperature inside the case of an operating PC?

I have purchased a new HP PC (EliteDesk 800 Small Form Factor). It is exceptionally quiet, I assume HP favors quietness over thermal performance for office use. Under load (long-running ...
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2answers
96 views

No screws at the front of my Bit Fenix Comrade Case for fan

I am using the BitFenix Comrade which does feature slots in the front for fans but when trying to install a fan there I found out that there are no screw holes for a fan even though there is a dust ...
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0answers
169 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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1answer
46 views

Computer Fan - Can I use a fan with a different wattage than the original?

A fan recently died on a Synology NAS that we are using. The fan is an 80mm Sunon MagLev KDE1208PTV3 DC12V 0,8W 79,5 x 80 x 29,5 However, looking on eBay Germany it's hard to find this exact fan, ...
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4answers
15k views

3 wire computer fan won't run continuously

I had an old computer that didn't work anymore, so I took the CPU fan out to see what I could make with it. The fan is NMB model number BG0903-B044-VTL, like this. It has three wires coming off of ...
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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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0answers
19 views

Stacked transparent windows with program name tabs slid down screen while Windows 7 64-bit computer died

My Windows 7 64-bit Toshiba Satellite P755-5320 computer with 750 GB hard drive and 6 GB memory died after stacked transparent windows with tabs displaying program names slid one at a time to the ...
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2answers
549 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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2answers
211 views

Fans won't come on in ASUS R9 290 DirectCU II OC videocard

I recently built a new computer and installed an ASUS R9 290 DirectCU II OC videocard. When I power up the machine, other fans in the case - two chassis fans and the CPU cooler fan - turn on ...