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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205 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
145 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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2answers
32k views

Heatsink compatibility for the new Intel Skylake processors (LGA1151)

The new Intel Skylake processors have just released, but they don't come with a fan/heatsink. As a result, I have to purchase a third party heatsink, but it seems there are none yet listed on popular ...
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0answers
527 views

Fan running at full speed all the time after upgrading to SSD

Recently decided to upgrade my Lenovo G560 with a Samsung 850 Evo SSD. I have done a clean install on Windows 10 and the speed is immense, however my fan is constantly running. I have checked the ...
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0answers
67 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
68 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
124 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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2answers
15k views

Turn off laptop's fan in Windows 10

My Lenovo laptop used to turn off its fan in Windows 7, this would save a lot of energy and battery would last maybe about 2 times more. After upgrading to Windows 10 however it never turns off. I ...
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2answers
320 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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1answer
898 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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1answer
48 views

Dell laptop fan sound (with audio)

I have a Dell Inspiron 15 inch laptop 5000 series, and I have been hearing a buzzing noise from the fans for months now, which is especially noticeable when there is low CPU load. What might be the ...
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33 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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0answers
89 views

Third-party AC adapter for Acer Veriton L460 desktop causes fans to continuously run at full speed, even when system is powered off

I'm not sure this is the the right place to be asking but it seemed like the best option. I acquired an Acer Veriton L460 (Ultra SFF Desktop) which requires an AC converter of 19V 17.1A so I ...
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1answer
101 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
83 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
530 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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2answers
64 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
38 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
203 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
182 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
175 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
99 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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0answers
81 views

Desktop Computer Not Starting

We have a desktop computer which is currently not starting up. When the PSU is plugged into the wall and switched on (via the switch on the back of the PSU itself) the PSU fan and the CPU fan spin for ...
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1answer
1k views

Noisy CPU Fan in Linux Mint

I have a Dell Inspiron laptop with Windows 8.1. The CPU fan is quiet when I use Windows. I installed Linux Mint with Cinnamon on another partition, but the fan is noisy all the time when I use Linux ...
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2answers
253 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
124 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
117 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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166 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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59 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
104 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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0answers
56 views

Does temporarily removing the fan from the heatsink void AMD’s warranty?

I needed to RMA my newly-bought motherboard, so that meant removing the CPU and HSF. Now i need to clean the remnants of thermal goop from the CPU and heatsink in order to put the new one afterward, ...
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0answers
66 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 ...
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0answers
115 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
108 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
474 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
214 views

Target CPU temperature for AMD FX processor

I have got an AsRock 980DE3/U3S3 R2.0 motherboard with the FX-6300 procesor. I am using the stock cooler. What is the recommended target temperature to set in the fan speed control in BIOS?
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1answer
82 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 ...
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0answers
231 views

Acer Aspire V3-772G fan direction

I'm not a hardware person. If the computer runs, I'm happy. If it randomly shuts down, I'm not. I recently bought a second hand Acer Aspire V3-772G and noticed that it gets very hot very fast, even ...
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2answers
125 views

Dusty Environment - Fan Alternative

I manage several desktop computers in dusty environments. We frequently must clean out the cases to ensure adequate ventilation. Is there such a thing as reliable, fanless cooling for an ...
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0answers
101 views

xfce4-power-manager does not Off Fan in Debian 8

I have recently installed Debian 8 for amd64 in my laptop. Laptop is dell vostro. I also install LXDE environment. As manage power I installed xfce4-power-manager (because this recommend for lxde). ...
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1answer
101 views

PC whirring sound, until physically touched (Video included)

When I turn on my PC, it starts making a whirring sound. This noise sometimes stops on its own after 15-30 minutes, but sometimes it doesn't until I physically touch it. Turn up your volume a bit if ...
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1answer
104 views

Loud noise coming from laptop [closed]

A friend brought me his laptop, complaining that it sometimes makes a loud noise. Sure enough, every once in a while, it makes a real loud noise. There's only 2 moving parts in there: the hard ...
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6answers
6k views

Is liquid cooling necessary for high CPU performance over extended periods?

I'm planning on building a system for high CPU and memory performance. Graphics performance is not a major concern, as I do not plan to use it for gaming. I noticed that liquid cooling seems to have ...
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3answers
156 views

My laptop works too slow when it is moved/vibrated

Recently my laptop's (HP envy 15) fan works too loud and gets warmer than before. When the laptop is moved, the laptop works slow for 30-90 seconds then it turns to normal, especially if any video is ...
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3answers
1k views

Running my laptop without CPU fan for i7 3630M for 24-hour period under mostly light use - what could go wrong? [closed]

My Lenovo laptop (Y500 I believe) has been bugging the living daylights out of me for months. The CPU fan kept going wild, spinning unpredictably, making a horrible noise, and actually slowing my PC ...