Removal of heat from computer components such as CPU and GPU, required to ensure reliable operation and prevent overheating and failure.

learn more… | top users | synonyms (1)

13
votes
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—...
2
votes
9answers
9k views

Why is my computer fan so loud?

Recently my home desktop computer has been reacting a lot more to heat levels. The fan starts maxing out just about any time the CPU is used, and it's very loud. It didn't use to do this - only in the ...
14
votes
3answers
3k views

What's the proper way to remove thermal paste from a CPU?

I'm replacing the heatsink on my CPU, and want to clear the current thermal paste. What should I do?
48
votes
7answers
37k views

Is it OK to use toothpaste instead of thermal paste when fitting a CPU?

I was told many years ago to do this by someone who at the time knew more than I did. The CPU was a celeron in the Pentium 2 era. It ran cooler with the toothpaste between the chip and the heatsink ...
23
votes
8answers
20k views

What makes a laptop overheat?

Is there a correlation between CPU usage and heat? RAM usage? Other things? How can software affect overheating in a laptop?
8
votes
4answers
56k views

Maximum temperature laptop internals can handle? Cooling options?

So I have a Compaq CQ50-215CA and my sister was using her laptop on her bed and I was just using it quickly to check my email. The surface of the laptop was really hot and I opened Speccy to see that ...
11
votes
4answers
26k views

Does overheating cause a computer to slow down?

I've heard that heat issues can cause problems with PCs, but is this realistic? Is leaving the desktop in a cabinet area, or above-average-room-temp, a realistic potential cause of slowdowns? (I'm ...
8
votes
2answers
63k views

What's the maximum safe temperature for a HD Radeon 6870? [closed]

I'm running a passively cooled HD Radeon 6870 in my PC. While using 3D Acceleration, the temperature climbs up to 95 degrees Celsius according to SpeedFan. It seems a bit hot, but on the other hand I'...
16
votes
6answers
28k views

Can I remove and put back the heatsink of my processor without reapplying thermal paste

If I remove the heatsink from my processor temporarily, then later put it back without changing the heatsink or CPU, do I need to reapply thermal paste?
1
vote
2answers
2k views

LG R500 Notebook crashing

I've got an LG R500 Notebook that has started crashing. It usually crashes in Windows (Vista, all updates installed) when playing a game. The symptom is that the screen goes dark and then the ...
0
votes
1answer
3k views

Can I use LGA775 heatsink on LGA1156 CPU?

Will cooler that is designed to LGA775 CPUs install on LGA1156 CPU or are they mechanically incompatible? I'm building my first 1U server and surprise-surprise - Intel stock cooler doesn't fit (...
25
votes
7answers
2k views

Why are modern CPUs “underclocked”?

I keep reading since years about magical overclockability of modern CPUs. It is said that CPUs (with open multiplier) which are shipped to customers with (let's say) preset 3GHz, can be overclocked "...
21
votes
6answers
7k 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 ...
10
votes
3answers
2k views

Water cooling a PC, is it really expensive?

I recently read an article saying you can overclock an i5 750 to perform almost as well as a core i7 975 extreme (factory settings). But obviously this requires some serious cooling. Is installing a ...
5
votes
3answers
15k views

Is my i7 CPU running too hot?

Here's my setup Intel i7 940 - stock speed 12GB DDR3 RAM ATI Radeon HD 4800 Series 2x 10k RPM Velociraptor Hard drives At no load, room temperature my cpu cores consistently read: 43 43 46 43 (...
6
votes
2answers
2k views

Folding@Home client on a laptop: Is it safe for long periods?

I'm running Folding@Home SMP version on a new Thinkpad X220 laptop since I can't use it for daily development but find it useful to run a MySQL VM. Since its just sitting there I've been running ...
5
votes
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-...
3
votes
5answers
9k views

Why is my Compaq NC8430 laptop so darned HOT?

For a long time I've had a Compaq nc8430 laptop. It's nearly 3 years old now. Originally shipped with WinXP, but I installed Vista on it. From the very start it was not a good experience. This ...
2
votes
1answer
364 views

Keep laptop in hot car indefinitely [closed]

I'd like to know if there's a good way to store a laptop (or other personal electronics) in a hot car long-term. For example, if I want to always just keep a Chromebook with a hotspot in my trunk, ...
2
votes
4answers
8k views

Does running a computer with the case open mess with the airflow/cooling? [closed]

My friends say that it should actually improve the cooling since there is more air available to it, especially the CPU fan. I have to admit that it at least looks like it would stay cooler. I ...
15
votes
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 ...
2
votes
3answers
14k views

Will keeping all my fans at 100% speed harm my computer?

If I use a program such as SpeedFan to keep my fans at 100% power 24/7, will it harm my computer? I don't care about my power bill but if the excess power could harm my computer I would worry. I have ...
1
vote
3answers
1k views

Is an external hard disk with a metallic chasing better for heat dissipation than a plastic one?

I thought that since the metallic chasing goes warm but a plastic one remains cool the metallic chasing will be very good for releasing heat. Is it true?
134
votes
16answers
35k views

Will it damage my MacBook if I put it in the fridge to cool it down?

I've a got longstanding problem with laptops overheating (MacBook Air/Pro) and it's not only related to one machine. The laptops are overheating especially during hot days (summer). I've found that ...
26
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&...
11
votes
2answers
23k views

How to keep a Processor Cool, without adding a new cooling device?

I have a Dual core processor that get hot while multitasking and using some 'heavy' softwares. How keep it cool without adding additional cooling hardware?
13
votes
11answers
26k views

Will an SSD help prevent laptop overheating?

My laptop has a severe overheating problem, even though it's quite new (< 6 month). It's still regularly overheating to the point where it shuts down. This usually happens while playing games but ...
7
votes
4answers
8k views

Macbook Pro - 15" with i7 processor - Any problems with heat?

You may have already heard about the review done by the folks at PC Authority in Australia, where they had an i7 MacBook Pro that got up to 100 degrees Celsius during benchmarking. Here is the URL in ...
6
votes
2answers
2k views

Ubuntu: Take actions when system temperature gets too high

One of the CPU fans on my Compaq Presario laptop running Ubuntu 9.10 seems to have bit the dust. The fan is deep within the case and I intend to replace the laptop in the next 6 months so it's not ...
5
votes
5answers
10k views

Best laptop cooling pad (to protect your lap) [closed]

I'm looking for laptop cooling pad to protect my laptop from getting too hot and (more importantly to me) to protect my lap from the heat when I'm working with the laptop on my lap. I'm currently ...
16
votes
3answers
6k views

Does unused thermal paste get old?

I've got two small unlabeled plastic syringes with white thermal paste - these are probably 8 years old. Should I throw them out and buy new? I'll need some paste to build reassemble a mid-range ...
6
votes
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 ...
5
votes
7answers
842 views

Suggestions on keeping laptop cool

Not your average question here I know but thought it would be fun to get some points of view... I'm on a tight schedule and my laptop keeps turning off because it's overheating due to the crazy heat ...
7
votes
3answers
9k views

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, ...
6
votes
4answers
10k views

How can I cool down a laptop power supply?

Yes, that's right. A laptop power supply. This afternoon I was playing Minecraft on my ASUS laptop. As many Minecraft players know the game is written in Java which, on high settings, can force quite ...
6
votes
4answers
997 views

Cooling a server with oil bath

This is probably a stupid question, but one that has been nagging at my mind for a while. I have seen a number of references online to using an oil-bath as effective server cooling. In general, the ...
6
votes
6answers
8k views

Unexpected shutdown due to overheating?

My computer shuts down during intense use of the processor, but the sensors show that temperature of CPU is less than 78oC. By intense use, I mean any of the following: playing games, converting/...
5
votes
1answer
5k views

Can I resume an interrupted disk image done with dd?

I am going to reinstall my system and I want to backup it first. There is an 80 GB HDD with Ubuntu and 750 GB HDD on which I want to put image. So, I run a live CD and use dd to transfer my sda to ...
3
votes
5answers
4k views

Semi-random clicking sound from Macbook Pro

There is an occasional click sound coming from my Macbook Pro (17", 2.2 Ghz Core 2 Duo) I upgraded to Snow Leopard recently, but the computer was also in for service about week before that, so I can'...
3
votes
3answers
2k views

Slowing down cpu speed

How to slow down my laptop cpu so that it does not overheat?
3
votes
1answer
393 views

Cooling a large laptop

I've had my first laptop early this year and I haven't the slightest idea how to make it cooler. No real problems when I don't use graphics intensive games but when I play games like Dragon Age the ...
2
votes
1answer
710 views

CPU is hot and CPU fan making very many RPMs and much noise. (CPU fan not listed in speedfan)

On Saturday I replaced the motherboard of my computer because my old motherboard wasn't working anymore. Everything went well, and after some tries my PC was booting and working! I noticed the CPU fan ...
2
votes
6answers
774 views

Extreme server cooling

My tower server is packed with hardware and could possibly overheat. 2 Opteron CPUs, 8 DIMMs, 4 hard drives all in an Antec P182 ATX case (not EATX/SSI/MEB/whatever) and the temperature of the box in ...
2
votes
2answers
4k views

MacBook Pro - 7200 vs 5400 rpm drives - Heat and Noise

I am looking at a new 15" MacBook Pro for development purposes. I am planning to run a Virtual Machine for about 50% of my work (Windows 7 x64, IIS, SQL Server, and VS 2010). The upgrade from a 5400 ...
0
votes
3answers
2k views

Dell Studio 17 - heat problems

OK, before y'all jump on me and say this is a duplicate (http://superuser.com/questions/130181/dell-studio-17-turning-off-suddenly), let me explain... UPDATE 6-24-10 I have taken the cover off and ...
6
votes
1answer
15k views

Can I use an LGA 1156/1155 heatsink on an LGA 1150 motherboard?

I'm considering moving to Haswell from Nehalem by just getting a new mobo and CPU, but I'm not sure if I can keep my current heatsink. Can an LGA 1156 heatsink be mounted on to an LGA 1150 ...
4
votes
2answers
5k views

How to optimize PLL voltage

I am overclocking my Core i7 (Ivy Bridge 3770K), aiming for a moderate overclock. Currently I have it easily stable at a pleasant 4.4GHZ - BCLK defaulted at 100.00MHz, with the multiplier set to x44. ...
3
votes
2answers
7k views

Laptop gets hot when using Linux Mint

My laptop gets very hot when using Linux Mint. It stays ok when I'm just browsing or using terminal, but when I'm watching a stream the laptop gets very hot. I know the fan is working correctly. When ...
2
votes
1answer
4k views

How to disassemble a Gateway P-Series laptop?

I've got a Gateway P-6860FX laptop that has started shutting down automatically off late because the GPU gets overheated when I play any decent game. I can see that there's a lot of gunk around the ...
1
vote
2answers
1k views

Processor overheats like crazy

I'm not sure if this is the right place to ask for this, but here we go: I've had this current system for a little more than a year: Asus P7P55D-E Intel Core i5 760 (no overclock at all!) - stock ...