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 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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10answers
20k views

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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votes
1answer
93k views

What is a normal/safe temperature for an i7 2600K CPU? [closed]

I just completed my first build, and while I was finagling around in the BIOS I noticed, with some concern, that my CPU was sitting around 60 °C. Even when I set the maximum temperature to 55&...
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6answers
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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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6answers
3k views

What lubricants can be safely added to a laptop fan?

I've got a fan in a laptop that occasionally makes some loud airplane-like noises. It mostly happens about 10 seconds after booting up and lasts for 10-20 seconds. It also occasionally happens when ...
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4answers
2k views

Buying A Computer “Case” Fan… Does It Always Run At 100% Unless Told Otherwise?

What happens if I do not plug it into the motherboard and it does not have a switch? I have seen fans before with an "off/low/high" switch that allows you to manually set their speed. I have seen ...
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7answers
23k views

Optimal Fan Placement and Direction for Air-Cooling a Computer

My current computer has always run unusually hot no matter what steps I have taken such as: lots of fans—including four 120mms; thermal grease—both generic and Arctic Silver V; placement of the system—...
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6answers
3k views

In which direction should an extra case fan be fixed? [duplicate]

Possible Duplicate: Optimal Fan Placement and Direction for Air-Cooling a Computer This may sound dumb but this is a genuine question. I just bought an extra fan for the case and installed it....
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4answers
3k views

Is it normal for a Dell Inspiron 530 to have is fan to spin up 3 times before it POSTS?

I picked up an used Dell 530 desktop. It seems to work, but it has an odd pattern of powering up the case fan (which might be faulty - it sounds like a jet engine) 3 times, while blinking the power ...
11
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1answer
890 views

What is a pump failure on a computer?

So I have this computer at my work that was giving me an error "Alert! Hard Drive fan failure." Well, I replaced that fan and then when I was bringing that computer back up, I received the following ...
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2answers
34k 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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should case fans blow air into or out of the case

Well there's not really much more to ask than the title, so which way should fans blow?
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2answers
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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 ...
10
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1answer
398 views

Are two fans at half rpm always more silent that one fan at full rpm?

I am new to silent pc building so if I am making some lame assumptions please correct me. For example this is claimed properties of Noctua NF-S12-1200 fan. airflow noise 1200 rpm ...
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5answers
9k views

Why does my fan run high when computer is very cold

On very cold days, when I first turn my computer on, the fan runs on its highest setting for 20 seconds. On this boot, the computer responds much more slowly than usual. I have to reboot after the ...
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3answers
12k views

CPU temperature too high but fan not running at max speed

I think I am having some problem with processor fan... it never runs on full speed event though my processor temperature is going so high. I am using HWMonitor (also speedfan) to record temperatures ...
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4answers
21k views

Why do computers often spin up the CPU fan to high speed momentarily when powered on?

Many computers spin up the CPU fan to high speed the moment they are powered on, even before POST, before settling down to normal operating speed. While this behavior seems normal for the most part, ...
8
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5answers
11k views

Could I replace a stock PSU fan with a more quiet one?

I have a cheap 450W PSU with an exhaust fan at the rear. This fan, however, is very loud. Is it a good idea to replace the stock PSU fan with a quiet fan with similar airflow? The PSU fan is hard-...
8
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8answers
561 views

Making an old computer quieter

I have an old Athlon XP computer that I've been using as a Smoothie Router for about 3 years now, after my first Smoothie router (a Pentium 2 266Mhz) died. One of the most aggravating things about ...
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6answers
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Is a CPU fan speed of 3590 RPMs normal?

Ant pointed me to SpeedFan in this stackoverflow question. I downloaded SpeedFan and it reports that my CPU temperature peaks at about 73C which seems to be normal according to this chart (although ...
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3answers
4k views

What is a long-term strategy to deal with CPU fan dust in my home office?

There are numerous discussions of CPU overheating and how sometimes this can be corrected by removing the dust from the CPU fan. I have read many of these, but I can't find anyone expressing a long-...
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5answers
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CPU usage shoots to ~50% and stays there until suspended

This is the Windows Vista problem, seen, I think, mostly on dual processor laptops, where % CPU suddenly shoots to about 45% and stays there. Once this has happened, % CPU will never return to normal ...
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2answers
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Utility to manipulate speed of fan in Windows 7

I know Speedfan does monitor the CPU temperature, but it doesn't have the option to increase the speed manually. I used to have a programme in MAC OS which does that, but is there one for windows 7?
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5answers
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Is the laptop's fan supposed to start and stop very frequently?

I bought my first laptop and the one thing that bothers me about it the fan starts and stops all the time. With normal usage (web browsing) the fan starts for half a minute then the it is silent for ...
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1answer
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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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7answers
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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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4answers
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Does the fan go on the bottom or top of the power supply?

Which direction should I install the corsair tx 750 psu? Should the fan go on the bottom or top? It seems the fan should be on the bottom of the case correct? Update I have a antec P183 case, so ...
7
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3answers
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How do i measure the size of an unknown computer fan?

I recently picked up an old system with fairly noisy fans. I'd like to replace them, but the fans themselves don't have any mention of their size. Now, I know that there's standard sizes like 40, 60, ...
7
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3answers
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Do I risk destroying the fan if I use a vacuum cleaner on my laptop?

To get rid of dust that had gathered near the fan, I put a vacuum cleaner to the air intake (with the computer turned off). This removed the dust. It also caused the fan to rotate at a fairly high ...
7
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2answers
7k views

How to determine why the fan is running on MacBook Air?

I have a MacBook Air with OS X Lion and the fan started running loudly. I presume it is because the system is overheating and would like to determine the cause. What tool can I use to see what is ...
7
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2answers
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Should I connect my case fan to a pwr_fan or chassis_fan header?

My ASUS P8Z68-V PRO/GEN3 motherboard has the following fans: 2 x Chassis Fan connector(s) (1 x 4-pin, 1 x 3-pin) 2 x Power Fan connector(s) (3-pin) The fan cable connector has three pins (and it ...
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5answers
3k views

How can I make my desktop PC cooler and quieter?

I own a three year-old HP Pavilion Elite housed beneath my desk. Last week, for the first time I opened the case of my computer and thoroughly cleaned the insides. Since then the computer runs ...
6
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3answers
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Replacing fan on stock AMD AM3 heatsink with a quieter one? [closed]

I've recently built a new PC which includes the AM3 Phenom II x4 955 Black Edition processor. I've been using the stock heatsink and fan because I can't get any aftermarket coolers to get my CPU as ...
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4answers
2k views

Should a disconnected CPU fan spin freely if I spin it with my finger?

I have an Arctic Freezer 7 Pro CPU cooler that stopped working yesterday after just a few months of use. It doesn't appear to be too dusty, but the fan just won't spin. In trying to figure out what's ...
5
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7answers
10k views

Laptop Overheating. Is there a way to cool it?

I have a laptop that's running on the following: MSI MS-1634X motherboard AMD Turion X2 TL-66 CPU ATI Mobility Radeon HD2600 It keeps overheating, especially when I do something more CPU and GPU-...
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8answers
18k views

Laptop fan is always ON using Linux Mint 14

I'm using Linux Mint 14 Cinnamon 64-bit. I have a problem with the laptop fan always staying on. Details of the laptop and readings taken: Linux core-Inspiron-N7010 3.5.0-17-generic #28-Ubuntu SMP ...
5
votes
1answer
1k views

How fast will a fan run on Molex? [duplicate]

Possible Duplicate: Buying A Computer “Case” Fan… Does It Always Run At 100% Unless Told Otherwise? I don't have quite enough 3 pin fan slots on my Motherboard so I'll need to run at least one ...
5
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1answer
2k views

Are these acceptable temperatures for my laptop?

I just installed SpeedFan 4.0 since my laptop's fan seems to be continually running at a high speed. It reports these numbers: GPU: 74C Temp1 (ACPI): 75C Temp2 (ACPI): 95C Core 0: 89C Core 1: 89C ...
5
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3answers
21k views

Graphics card fan too loud

I'm beginning to notice that the fan on my graphics card is too loud. I messed with things today and accidentally forgot to plug the fan back in. (I was wondering how my computer became silent.) ...
5
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3answers
5k views

What is the maximum temperature my CPUs can reach before causing damage?

After my BIOS reset itself for some reason, my computer/cpu fan is running non-stop, so I installed speedfan so I can monitor the temperature of the four cores I have. I was alarmed to see three "...
5
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2answers
4k views

Can my laptop fan die? If yes, what to do?

All, I have a new issue with my laptop (3-yr old Lenovo ThinkPad T61 running Windows XP). For a few months, it has been running hot, hotter than before. A couple months ago I took off the keyboard ...
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6answers
7k views

Dell XPS M1530 overheating

My Dell XPS M1530 gets insanely hot. What can I do? -- edit I just confirmed that the cooling fan is not moving. Is there any way of replacing a laptop fan?
5
votes
3answers
68 views

Is it possible to choose which OS will be loaded using a hardware switch?

I'm looking for a more elegant way of choosing which OS to boot than using the menu provided by grub, and I think it would be neat to have a switch on the case with two states (e.g. Ubuntu and Windows)...
5
votes
1answer
122 views

Need to find a power adapter

Just finished upgrading the heatsink and fan in my wife's computer (dropped the temperature about 20 degrees on an AMD), and everything works great except one problem. The BIOS is reporting that it ...
5
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2answers
1k views

Is a positive, neutral or negative pressure airflow design preferred when using a single open cooled graphics card?

With a blower type graphics card, I don't think it matters very much whether you arrange the fans in your case to provide positive, neutral or negative pressure inside your case, since the blower ...
5
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1answer
964 views

How to add more 4 pin fan controllers (hardware hacking)

I'm looking at building a new system and most of the good cases come with several fans, but most of the motherboards I've looked at only have one 4 pin case fan header. I'm looking for a guide on ...
5
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4answers
13k 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 ...
4
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8answers
6k views

Can I remove fans from my system?

I can't tolerate any noise in my room at all. I want to remove all 4 fans I have in my system: Processor Fan, Cabinet Fan, SMPS Fan, Graphics Card Fan Can removing all these fans produce any fire ...
4
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4answers
5k views

PC not running for more than 15 minutes after cleaning CPU fan

I thought that my CPU fan was gathering too much dust. So I removed it (just the fan), cleaned it and re-attached it. Now my PC only runs for approximately 15 minutes, then the CPU shuts off. It ...
4
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2answers
1k views

What is this cable which came with my chassis fans?

I ordered 3 chassis fans for my PC but I have only 2 connector pins left on my motherboard, so I was looking at a female to male Y splitter for the connector when I found this in the box: What is ...