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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How to get enough watts for Power Supply

I have a Pre-built computer it's the Phantom 410 case with AMD-FX 6300 prossesor, but the power supply is only 150 watt. I want to add a fan, but I can't buy a new power supply, so how do I use power ...
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1answer
26 views

Motherboard ga-g33-ds3r. pwr supply

I am bench testing a gigabyte ga-g33-ds3r which is giving power problems. When the 4 pin power plug is inserted into the motherboard socket- both CPU and video card fans run but start and stop every ...
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1answer
75 views

Laptop shuts down unexpectedly

My cousin has a Sony Vaio (model: pcg 71911m) laptop, and recently it started shutting down for no reason. At first I thought it might have something to do with the power supply, so instead of using ...
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0answers
75 views

How do I get my 3rd chassis fan running?

This is the first time I ever opened a pc, so I'll try to explain carefully what I did. My PSU died and I bought a new one, and reconnected the cables myself. (New PSU: Cooler Master GM G650M) ...
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2answers
179 views

New Lenovo, Intel i7, 8GB of RAM, but high CPU usage, loud fan

I just ordered a NEW Lenovo G40 laptop with 8GB of RAM DDR3, and Intel Core i7-5500U CPU @ 2.40 GHz 2.40 GHz. It is acting very strange. The fan is always running. MUCH louder than my previous ...
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1answer
132 views

Cooling fan stuck at low speed

I have an HP Pavilion dv6135dx laptop. Recently, my computer fan wasn't working well, causing my computer to overheat multiple times. It would not increase its speed as my cpu usage went up, but would ...
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1answer
321 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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0answers
64 views

Disable the overheat guard of the cpu (Sensor defect)

So I think that my CPU sensor is defect, let me explain why. The pc is shutting down instantly, even in idle. Some programs like speedfan show that my cpu has more than 80°C . It has a really big ...
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1answer
62 views

Noisy fan, can it be mechanical?

I have a Dell Latitude E5530. Recently the fan has started making aggressive buzzing noises. Not all the time, but as soon I'm running a Matlab computation or watching a movie - whenever the load is ...
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1answer
114 views

Is it bad/dangerous/damaging to set laptop fan speed to max all the time? [duplicate]

I use HWiNFO to set my fan speed to maximum (the maximum provided in HWiNFO, there may be higher speeds) all the time I am using my laptop to cool the processor and GPU while video editing and playing ...
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1answer
805 views

Which fan header(s) to use?

My hardware: Gigabyte GA-Z97N 1x4-pin CPU_FAN header : GND, +12V, Sense, Speed Control 1x4-pin SYS_FAN header : GND, Speed Control, Sense, +5V CoolerMaster Nepton 120XL 1x4-pin pump power ...
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2answers
294 views

Chassis fan connector broken, can't boot

I have an Asus Essentio M51AD desktop computer. I was trying to install something in the PCIe x1 slot, but in the process I must have broken something (or multiple things). My Chassis fan connector ...
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2answers
14k 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
130 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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7answers
12k views

Is the exhaust fan necessary?

On my new PC, the component making the most noise is the rear exhaust fan on my case (it is the only exhaust fan in my PC). I tried to disconnect it and watched temperatures in SpeedFan and CPU was ...
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2answers
164 views

Why are most fan controllers limited to a minimum of 5 V?

I have a fan that runs at about 3500 rpm at 12 V. At 5 V (the minimum that my Zalman FANMATE allows), it runs at about 2000 rpm which is still quite loud. I looked on the Internet ...
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0answers
1k 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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1answer
2k views

How to reduce chassis fan speed with software?

I have replaced an old broken motherboard in a Dell Inspiron (slimline chassis) with a Asus P5KLM-AM motherboard. Now the chassis fan runs at full speed (3750 RPM) at all times, which is very loud. ...
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32 views

CPU core temperature change to high temp

My main work machine has a quad core Intel Core i5 750 @2.67GHz standard clocking. I have SpeedFan installed. SpeedFan has always indicated a higher temp that I would have like for the 4 core temps ...
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1answer
90 views

How To Find Speed/Size Of Laptop Fan

I have a Toshiba Satellite P755-S5320, I have scoured through my documentation and can find out anything (almost) about the laptop except is the cooling fan 80MM or 120 MM?
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1answer
82 views

LOUD Computer Fan [closed]

Toshiba Satellite 9755-S5320 fan completely went out, no warning sign, just turned it on one morning got a message that the cooling system has a problem, get repaired immediately. I order a new fan ...
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2answers
444 views

Speedfan - Fan goes to 100% when CPU < 50°C for no apparent reason

ok so my two Front fans (sucking air into the case) are REALLY loud at 100%, so I want to put them to constant 40% which has the same cooling effect (on cpu) as 100% but is way quieter. So as soon as ...
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1answer
634 views

Did my case fan damage my harddrives?

I just had the weirdest problem: I installed two new fans (Zalman ZM-F3's) in my Antec Sonata II case, one as a replacement (at the back) and a new one for additional airflow (at the front). The weird ...
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2answers
63 views

Can you tape a fan to a heatsink?

The old screws to the aftermarket fan I bought won't fit. Can I tape the new fan to the old heatsink? This part of the heatsink doesn't come in contact with the processor. It sits on top of the ...
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0answers
35 views

iMac fan going on and off

We have an iMac at our house which hasn't been turned on for about two month. I've turned it on and I'm getting some updates done, but the iMac fan is behaving weirdly. It goes full speed, and then ...
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2answers
189 views

No Thermal paste on box CPU?

I just bought a boxed i5. There was no thermal paste included. I understand that it is normally pre-applied to the stock fan in box sets. I didn’t notice that before mounting. However there was an ...
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0answers
24 views

Do Unix-based Systems retain Daemons or Hardware Information post-Reboot?

Background: I dual-boot Mac OSX Yosemite and Ubuntu 15.04 on a Macbook Pro Retina with rEFInd boot loader. I have a customized daemon for controlling the fans on Ubuntu, the reason being that I have ...
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0answers
168 views

How to make Windows 8 tablets cooler? (lower temperature / less fan use)

I've got a Windows 8.1 work tablet (Wacom Cintiq Companion 2) that often runs pretty hot. Its fan(s) kick in sporadically at different speeds and their highest speeds are alarmingly loud - some ...
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1answer
166 views

PC Case Side loudly vibrating when on high fan RPM

My CPU is an AMD FX-6300 and it is cooled by it's stock cooler. The problem with the stock is that it tends to spin at 6600+ RPM when on heavy load. So every time I start GTA V for example I start ...
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1answer
56 views

Computer shutting down randomly - possibly overheating?

My computer will randomly shut down, usually it's while playing a game or doing a high processing task, and the last thing I will hear is my loud fan. But sometimes the fan won't be too loud and I'll ...
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0answers
94 views

Acer Aspire 5720z fan won't run unless I let it warm up then shutdown and restart machine

I recently did a clean install of Linux Mint 17.2 on my Acer Aspire 5720z laptop. Prior to that I had been running Ubuntu for several years, the last version being 14.04. The laptop cooling fan ran ...
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2answers
248 views

Why does my MacBook Pro (8,2, running Yosemite) get so hot?

This may look like a duplicate, but I've done research and noticed that everyone else is asking why their MacBook Pro Early 2011 (8,2) gets so hot- while they're using it. I constantly have activity ...
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1answer
116 views

PC case fan goes humming when CPU fan goes high

It's really bothering when I hear the weird noises from PC fan which is caused by CPU fan when CPU load is high. On CPU fan high rpm (e.g. while gaming) a noise from the fan installed on the side door ...
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0answers
54 views

Computer making various noises and sometimes runs slowly

My computer has been making some very strange noises for several months now. The first noise it made was when I installed Speed Fan and after the second time of running the program, my computer made a ...
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1answer
732 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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1answer
108 views

Toshiba Laptop, fan only turns on when I'm either idle or overheating

There is a real problem with my fan on my Toshiba Satellite Laptop, it always works on max when I'm browsing the internet and doing stuff that doesn't do anything to performance but it turns off when ...
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0answers
145 views

ASUS PC Fan issue

I have an ASUS Desktop PC with intel CORE i7. I tried turning it on and here's what happens. After 5 seconds of turning it on (approximate) it raises the fan on the middle to the max level. It keeps ...
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0answers
57 views

Can a stuck case fan cause the system to freeze?

Recently, my computer freezes sometimes at random. The freeze has no bluescreen and Windows 7 does not even generate a memory dump, the screen is just still and it doesn't respond to my keyboard and ...
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0answers
2k views

PSU fan (power supply fan) not spinning. But computer works

The PSU fan on my computer is not spinning at all. I've now run a high def video for 20 mins and it's still not spinning at all. I read there's power saving features that will power down the fan, but ...
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1answer
99 views

Screen pitch black after random shudown, Gpu's fans full speed.

This morning I went to power up my pc and BAM. My screen is pitch black. Noticed that Gpu's fans were at full speed. Switched to my moba gpu and well, it works fine. I cant understand if it's a GPU ...
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0answers
35 views

Gigabyte Geforce2 GV-GF2010D radiator

I have old-crustry videocard Gigabyte's Geforce2 GV-GF2010D which fits perfectly in PC i want to restore. The videocard's fan is missing and radiator seems to be glued on main chip. I tried heating it ...
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3answers
702 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 ...
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0answers
62 views

ASUS G53SW fans spinning at full speed

My Asus G53SW laptop had a video output problem which I narrowed down to a GPU failure. Took it apart, reflowed the GPU with a hot air desoldering station, applied new paste, cleaned the fans and ...
28
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11answers
294k views

How can I set the fan speed to 100% on a laptop?

I recently purchased a HP Pavilion dv7-4031. When it's cool, it works smoothly and efficiently. However when CPU and GPU temperatures reach 60c and above, the PC starts freezing up and stuttering. I ...
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0answers
96 views

How can a case fan with a 8pin connector plug into the 4pin fan header on the motherboard?

I recently bought a Delta 12cm case fan online and it has a 8pin connector (but only 7 wires) which I can't plug it into the motherboard. I put a typical 3pin fan connector beside it in the image, so ...
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2answers
21k views

Why can't I control the speed of my CPU fan?

I bought a new computer with an ASRock H61M motherboard and XILENCE ICEBREAKER 64 Pro PWM CPU FAN. The problem is that I can't control the speed of the FAN. I tried settings in the BIOS and with ...
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2answers
105 views

Laptop air vent closed with piece of plastic from inside

I have a new laptop with an air vent with what looks to be a piece of plastic or tape that is stuck against it on the inside. Is this a manufacturing mistake? Should it safe to remove by either ...
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2answers
435 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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1answer
512 views

Could a fan stopped (too low voltage incoming into it) during long periods become damaged?

Computer fans use to run at 12Volt, but most, as for today, use to allow 9Volt or even less to slow down the fan speed (RPM, Revolutions Per Minute). In cases of too low voltage, the fan stops, but ...
2
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1answer
76 views

Alienware M14x going real hot in Idle

I have an Alienware M14x which I started noticing the fans going extremely high at idle, pretty much right after a boot too. I downloaded HWMonitor to check what's up and it turns out it's at about ...