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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Water-cooled CPU fan makes squeaking noise every 5 seconds

My Antec 1250 water-cooled CPU fan makes a squeaking noise every 5 seconds. When it does this, the other fans drop their RPMs down by about 15% for about 1/2 second. I can observe the slowdown by ...
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0answers
17 views

CPU core temps quickly at ~100°C with no load

This problem started a few month ago where this occurred a few times randomly but could be fixed with 1-3 reboots. Now this is a permanent problem: When my PC boots it takes about 5sec until my ...
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0answers
14 views

Add a Case fan Lenovo Ideacentre H30-50

I have a Lenovo IdeaCentre H30-50 and am willing to add a fan for the body. On the motherboard I have two idle 4 pin fan connectors named as PWR_FAN and SYS_FAN that are not connected to anything. So ...
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25 views

Laptop black screen, no boot, only fan is spinning?

I have Samsung NP350E7C-A01US laptop. It was working like a charm. Today I removed RAM and inserted another one. It worked fine. After that, inserted old RAM, but it didn't boot. When I press ...
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0answers
50 views

Laptop fans unexpectedly spin at full power

I have an Acer Aspire V17 Nitro (VN7-791G), the almost 2-year old model, so the rip-off model in fact: GTX-860 2GB, 16GB RAM, 1TB HDD, 256SSD, Intel Core i7-4710HQ. Hardware information: My fans ...
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2answers
39 views

Out of a sudden, CPU overheating, causing crashes in apps and forced restart

I have this computer that I did assemple, since 2013. It is an i5 4690 @ 3.50 (not overclocked; I use the standard ASUS OC setup, which is set in the motherboard automatically). The video card is a ...
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2answers
35 views

Cooling fan starting to give up; should I disconnect it while I wait for the replacement fan to arrive?

One of the cooling fans in my PC (there are several) is starting to give up. I think it might be the bearings that are giving up, but whatever the cause, every several minutes, it visibly slows down ...
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1answer
26 views

Lowering APU Voltage increases performance?

I have an AMD APU (A6-4400M) and sometimes performance decreases when TurboCore increases Voltage/Clock speed. I use AMD Overdrive to manage Voltage and CPU Speed cause my fan gets crazy when reaching ...
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0answers
17 views

Noisy HP DL360 server and DMESG errors

I purchased a HP ProLiant DL360 server for use with Solaris testing because it was OEM hardware. The server sits in my basement and its kind of noisy. It sounds like a mini high-bypass jet engine, ...
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1answer
41 views

Control fan speed on HP DV6 [closed]

I would like to control the fan speed on my HP DV6 but SpeedFan doesn't seem to work.
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0answers
31 views

PC turns on, monitor goes dark, fan still runs afterwards

I've been having this problem in which my PC is turned on and it runs fine for a couple of hours, or even days. But, randomly in a day while I'm using it, my monitor just goes black, saying Display ...
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1answer
44 views

Cpu overheating and bios cpu fan error

I have an i5 2550k a p8z68 mobo, and a Corsair h100 liquid cooler. As of last night the CPU started throttling and I guess overheating after 4 years no issues. Whatever, i tried reapplying new TIM/...
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1answer
18 views

Noctua CPU Cooler - replacing just the fan

I have a Noctua CPU Cooler [NH-U12S], and unfortunately I frayed some wires on just the fan part. Upon searching for a replacement, I'm only seeing options to re-purchase the entire heatsink, and not ...
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1answer
24 views

Are BIOS .exe update files Windows-version dependant?

I was given an old HP laptop (HP Compaq Presario F755US) which came with Widows Vista. Vista worked very slow and laggy so I decided to wipe it and install Ubuntu. Everything worked well, but since ...
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0answers
25 views

If I installed a fan at the circled location (pic inside), will it recycle air that's already within the case or draw “clean” air in from the outside?

I have been spending the last week trying to figure out ways I could improve the temperatures and airflow within my PC. However, given that it's a pre-built Dell PC, it seems like there is not much of ...
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2answers
68 views

How can I make Speedfan run automatically when the PC starts?

I tweaked the fan curve on my case fan because it runs at 100% when I am gaming. So I made it run at a max of 80%, which is MUCH more quieter, and it doesn't seem to have any impact on the max ...
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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 ...
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2answers
83 views

What are the ways I can improve airflow and reduce temperatures in a pre-built PC casing without investing in extra cooling fans?

Inside of my casing: Front/back/side of casing; Just want to know if there are any simple things for me to do to improve cooling and reduce temperatures without having to invest in a new cooling ...
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0answers
30 views

Change temperature at which fan turns on?

I own a Razer Blade Stealth. Absolutely love it. Sometimes, however, the CPU temperature shoots over 80 degrees C, especially when watching videos full screen. I have done some research and found it ...
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1answer
28 views

Anti Static Spray

Can anti static spray be used inside the computer, to help all the components from collecting dust? If so, I understand the computer would need to be turned off & everything unplugged first. Is ...
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0answers
43 views

Computer fan clean has gone wrong

My fan for my laptop was getting dusty and I decided it was time for a clean. However when trying to start it back up it no longer worked. 2 weeks later I accidentally hit the power button and stayed ...
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1answer
32 views

Does USB-attached fan create large power demand on laptop? [closed]

Does an externally-attached USB fan create a heavy power draw on the laptop?
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0answers
21 views

Faulty GPU heat sensor or something else?

So, today my GPU started crashing after yesterday being fine. I have Gigabyte GTX 670 3x Windforce, so the fans can get quite noisy under heavy load. Usually the driver crash and eventual PC crash ...
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0answers
26 views

Computer shuts down 10sec after turn on

I have a VAIO VPC-EA2GFX/B, and the OS is upgraded to Windows 10. The fan is commonly running at full speed. I tried all trouble shooting I found on net, but could not solve the issue. Finally, I ...
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0answers
42 views

CPU temperate stuck and fan at maximum speed

I have a Dell Inspiron 5548 (i7-5500U, 16GB RAM) and I'm running Fedora 24 with kernel 4.5.1. I noticed the internal fan will stay at maximum speed (5500-5600RPM) forever while the CPU temperature ...
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0answers
36 views

High-pitched intermittent noise from base of Lenovo laptop (SSD)

My new Lenovo T550 laptop, running Windows 7, seems to be always making a strange noise, coming from its bottom (base). As this laptop is equipped with an SSD hard-drive, I would have expected it to ...
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0answers
253 views

Nvidia Desktop GPU: simple fan rpm control for Windows

I have a very expensive graphics card installed in my Windows 10 machine. It is an EVGA GeForce GTX980 Ti Classified. I'm pretty happy with the experience so far, but the one problem I have is that ...
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0answers
32 views

Intel Management Engine or Collaborative Processor Performance Control throttling

This is a laptop. Before I installed Intel's Collaborative Processor Performance Control Driver and Management Engine, for very demanding jobs my cpu would go up to 95C and the fan would go up to ...
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0answers
17 views

Toshiba laptop fan not working even after replacement

I was having intermittent problems with my fan where it would randomly turn off and I would get a warning and it even shutdown once because of overheating. So I opened the laptop and cleaned the fan, ...
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1answer
43 views

Cpu fan does not speed up according to heat level

I have just changed my motherboard, ram and processor. Everything is going fine but fan speed when cpu heats. Fan speeds do not change according to cpu temperature. I have tried to open smart fan ...
2
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0answers
37 views

Fan running 100%

Ok so I just bought a new case fan for my computer as a replacement for the stock one as it has surpassed it's life expectancy and began running rather noisily. The installation of this new fan was ...
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2answers
41 views

GPU Fan is not spinning continuously

I have NVidia GTX 550 Ti in my desktop computer. Today, while I was working on the computer, my monitors went off (I work with dual monitors). After a while, I have recognized that my GPU fan does ...
2
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1answer
32 views

How important is it to equalize fan intake/exhaust?

How important is it to make sure that my intake and exhaust fans are moving equal amounts of air? I have seen various answers to this online, ranging from that it is unimportant, to it could strain ...
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1answer
63 views

Can I connect 4-pin PWM fans to 4-pin voltage controlled fan headers?

I'm looking for case fans for the Asus Z170I Pro Gaming motherboard. The motherboard has 1 PWM fan header for the CPU, and two voltage controlled ones for the case. I want to buy Noctua NF-S12A fans ...
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0answers
27 views

Computer doesn't start

A while back, my computer started to act weird : when I pressed the "on" button, all the leds turned on, but the screen was black, and after a while, it starts up. This delay kept getting longer and ...
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2answers
28 views

Using LGA 775 CPU cooler on LGA 1155

So I have an lga 1155 mobo and cpu that I need a fan for, I do have a lga 775 (stock) fan which I have taken the plastic clips off of and it fits perfectly fine over the 1155 socket, my question ...
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0answers
28 views

I built my first computer a few weeks ago and it was fine, but now one of the fans is getting loud at random times. Is this bad?

So a few weeks ago I built my first computer with the help of the video guide here. I bought the Newegg combo deal listed in the guide and a few other peripherals (Razer keyboard). I didn't realize at ...
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2answers
36 views

Freshly clean computer shuts down immediately due to “overheating”

I was asked by a friend to clean her laptop (mainly the fan) because it hadn't been cleaned in more than 4 years and was rather slow and noisy. I found a tutorial to follow just to be sure and opened ...
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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)...
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1answer
21 views

Optimal fan configuration for two self-contained water coolers

So I got a new graphics card, the EVGA 980ti hybrid (has its own self contained water cooler), as well as a new case the NZXT H440. I'm trying to think of optimal airflow. My CPU is cooled with a ...
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0answers
15 views

Quiet GTX Titian just for CUDA

I wan't to get the original GTX Titan for the double precision performance for just CUDA programming. I will run my display off of my GTX 960. The only issue I see is that I have had some graphics ...
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votes
1answer
85 views

CPU fan is louder while running Windows 10 vs other OS

I've noticed that while running Windows 10, the CPU fan makes more sound than when running another system. I can barely hear it spinning while running Kali or Debian. What could be the cause? Perhaps ...
0
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1answer
66 views

Kernel panic reports. Fans max speed. Frozen mac.

My computer keeps shutting down unexpectedly, and also freezes sometime, followed by either unresponsive sleep mode, or shut down. Also fans run at max speed usually before it clashes. I keep getting ...
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2answers
55 views

Should I remove the front side of the case?

Hey I hope I am in the right community. I have this PC case(CASE CORSAIR OBSIDIAN SERIES 750D FULL TOWER ATX BLACK): And I am wondering if I should have the front side of the case open so the 2 fans ...
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0answers
32 views

Gaming framerate drop issue, and CPU temp display of 206 C

First and foremost, thank you to anyone who helps me on my journey to diagnose my computer issue. It is MOST appreciated. Before I start, let me give a display of what exactly my computer is running: ...
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2answers
39 views

Is the rattling fan on my ultrabook bad?

I'm a programmer so hardware is a bit foreign to me. I recently purchased an ASUS Zenbook from amazon (It was so shiny I couldn't resist here's the link) and it just arrived yesterday. After already ...
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1answer
71 views

Difference between Active and Passive heatsink

I am a little confused with the terminology with what's a passive and active heat sink. First of all I want to know where the motherboard comes with this heat sink pre-installed as shown in the ...
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1answer
29 views

Can a large power supply cause overheating?

I have a laptop which is just over one year old, and ever since I have had it, there have been some very serious overheating problems. The fan is almost always at full blast, which is incredibly loud, ...