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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482 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
542 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
78 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
234 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 ...
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2answers
63 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
62 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 ...
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1answer
66 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
39 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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0answers
35 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
15 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
106 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
533 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 ...
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10answers
9k 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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1answer
323 views

CPU Thermal Margin is very low

My computer is restarting unexpectedly for some days. First I though Its an os issue. I gone through all the sys log and didn't find any clue. Then gone through bios event log. Nothing was there too. ...
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0answers
171 views

Computer Fan Spinning Faster, But Temerature Is In The Negatives

Recently my computer has been louder than it had been in the past, so I looked into it and I believe that my CPU's fan is working harder than it did before (it's definitely not due to dust build up, ...
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1answer
602 views

OpenSuse 12.3 gpu fan speed

I won't go into the details of what I tried and simply explain what I want. graphics card: AMD HD 4870 So I'm usually working with Windows 7 and my gpu is at 54C with 30% fan speed when idle. Now I ...
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1answer
49 views

Having two vents on a laptop instead of one

On my levono thinkpad sl410 there are two vents. The laptop has two CPUs - does that mean that each fan has its own vents?
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1answer
75 views

Should I be worried about my cpu fan?

I recently started to build a new cpu. Everything seems to work fine, but one thing that scares me is that during testing the system out, my fan didn't start up a few times. This fan is just right out ...
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2answers
652 views

What kind of tape do I need to tape cpu fan to heatsink in notebook?

I'm cleaning up a notebook from dust and the cpu fan is usualy taped to the heatsink all around it. This time half of the original tape was also covered with dust so I want to just replace it. Can ...
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0answers
129 views

How much clearance does my GPU fan need?

I just installed a second nVidia GTX 660 in my desktop. Both cards are connected to the PCIe x16 slots. I am also going to be installing a small RAID card in the system also. Originally I was sure ...
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0answers
99 views

Samsung Series 5 NP520U4C-A01UB FAN won't stop running on Windows 8.1

My Samsung series 5, model #: NP520U4C-A01UB, has a fan that won't stop running. I mean, it runs the whole time that I use the computer and never stops. I have tried fn+F11 but that didn't solve my ...
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0answers
61 views

Using electrostatically charged air filters on computer fans? Will I just be blowing charged particles into my case?

I've searched long and hard to try to find a straight answer to this question, but there seems to only be information on how electrostatically charged air filters work (you know, the kind you put on ...
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3answers
99 views

My laptop's fan is buzzing [duplicate]

My laptop's fan is making a loud sound similar to buzzing and even vibrates. Could someone tell me if I just have to clean the dust inside the laptop box or I have to take it to a specialist?
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72 views

Fans continuously turning on and off

I have a custom built computer that has suddenly started to act strange. The fans will continuously start and stop randomly. When they turn on, they stay on about 1 to 3 seconds, then turn off for ...
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2answers
1k views

ACER ASPIRE V3-571G-9435 Fan not kicking in leading to overclocking

This laptop has always had this problem. The temperatures kick up to the thermal ceiling of 99C for the CPU (i7-3610QM) and 94C for the GPU (GT 640M). Problem is, the FAN doesn't give a damn. It's ...
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0answers
120 views

Just built a pc, and the chassis fans are struggling

I have an Antec Three Hundred Two case, which comes with 2 chassis fans. I have an Asus Z87-A motherboard. The PSU is a corsair 850w. When I plugged it all together, and connected the case fans to ...
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1answer
60 views

Dell SC1425 Server Fan Issue

I have the above server in my garage and use it for web development. For the last couple of weeks the fans have been running at full speed and looks like one of them has failed as I ran a diagnostics ...
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2answers
96 views

Replacing faulty fan on CPU heatsink, minimum recommended air displacement

I woke up this morning with a broken fan on my CPU. The heatsink itself is a scythe Kabuto. The fan can be replaced quite easily at is a standard 120 mm fan. Now I'm not seeking for specific ...
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3answers
364 views

What kind of 3 pin fan connector is this, and where can I buy one?

I have a Cyberpower UPS with a very noisy 80mm fan, so I want to replace the fan with a quieter one. I bought a well-reviewed fan from Noctua, but the 3 pin connector doesn't quite fit. I didn't ...
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0answers
438 views

GPU fan stops working under heavy load

I have been experiencing hardware problems for a little while now and would like to know what the problem is exactly. What usually happen is while playing a game, my computer will freezes and I'll ...
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1answer
271 views

Laptop turns off randomly

Tonight I started having problems, meaning that my laptop started turning off instantly. I guess it is from overheating. It was happening when I tried playing some heavy game, but now it started doing ...
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1answer
190 views

Black spray (?) on a laptop's heat sink assembly

We have a HP Pavilion DV3 4000SB that was given an error on startup that the fan was having problems (System Fan 90b error message) So I decided to open the laptop up and clean the fan, as that ...
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0answers
1k views

How to control fan speed using SpeedFan?

The CPU fan in my laptop is running too fast. I wish to control the speed manually to my preference, at times. Here is a CPU-Z screenshot of my laptop configuration: And here is how SpeedFan ...
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1answer
208 views

Can I replace my notebook's fan without replacing the heat sink?

My laptop (Acer Travelmate 8204) has started making a grinding noise, which seems to be coming from the fan (not the hard drive). Some articles online mention replacing the fan, but others imply that ...
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6answers
7k 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
516 views

very noisy fan on my hp pavilion dm4 beats edition

As the title shows, the fan is very noisy. I don't remember since when but it's always running at its high speed and it's disturbing when i am in class. I tried to clean the fan, upgrade BIOS, ...
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0answers
434 views

Fan keeps running! Dell Inspiron N7010

I keep upgrading my laptop and still the fan continues to run ridiculously too loud and too often. It's a Dell Inspiron N7010, I upgraded the HDD to SSD, added 8 GB's of RAM, installed a new faster, ...
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2answers
3k 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
653 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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1answer
230 views

Control 2 fans as if they are 1?

I'm currently planning out my first PC build and have come to an unusual problem. As part of my build I decided to include an LCD screen-type fan controller, [this one] ...
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2answers
2k views

How can I fix or replace the fan of a Sapphire ATI Radeon 6770 graphics card?

In the last weeks I've noticed the fan of my Sapphire ATI Radeon 6770 graphics card is getting noisier and noisier. So I've tried to get the fan out, peel the sticker below and add a small amount of ...
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1answer
245 views

Preferred bearing type for a CPU fan

I've been doing some research into my first computer build and have come to a cross-roads when choosing my CPU fan. I have been told of various bearing types such as ball, sleeve, rifle, magnetic and ...
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2answers
129 views

Does the bios regulate temperature based on what cpu is installed?

I recently upgraded from an e8400 (intel dual 3.0) to a q9650 (quad 3.0). The original e8400 temperature at max load was 57 celcius. With the quad core it is now 71 C. I flashed a newer bios on and ...
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1answer
848 views

My graphics card is overheating and I'm trying to determine the most effective solutions

My hardware profile: Case: APEX PC-389-C Black Steel ATX Mid Tower Computer Case Mobo: Gigabyte GA-MA785G-UD3H PSU: Antec Neo Eco 400W CPU: AMD Athlon II X4 640 RAM: 5GB Dual-Channel ...
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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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3answers
2k views

Is a “System Temperature” of 51 degC (123 degF) normal / OK?

My reported System Temperature (when idle) is considerably higher than all other reported temps on my (new) machine. When Sys Temp is 51C, other reported temps are: GPU is 36C CPU is 27C HD0(SSD) is ...
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0answers
84 views

Replacing the fan of the unnamed graphics card on an HP e9262f

A while ago, my graphics card fan stopped spinning. It was time to lubricate it, so I unplugged it to add some oil on the bearings. I accidentally broke the wire and couldn't solder it back (I'm not ...
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2answers
1k views

Fans keep running after computer is shut down

All the fans (CPU, system fans, PSU) keep running after I shut down Windows 8. This is also the case when I put the system on sleep or hibernate. Sometimes the fans run at full speed after shutdown ...
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1answer
998 views

How to fix laptop fan noise (audio attached) [closed]

I bought a refurbished dell latitude D820 5-10 minutes after booting, the fan starts on its own and makes a pretty loud noise while it is running. You can listen to it here: ...