Questions tagged [cooling]

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

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13
votes
7answers
28k 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—...
9
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4answers
79k 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 ...
18
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4answers
23k 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?
62
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8answers
113k 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 ...
24
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8answers
30k 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?
4
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9answers
11k 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 ...
2
votes
1answer
6k views

Does the RPM of case fans make a big cooling difference?

Does the RPM of case fans make a big cooling difference? Thinking whether to get 3000 RPM fans for the case (not only for the CPU cooler). Noise is not a very big consideration, but if the difference ...
32
votes
7answers
3k 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 "...
9
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3answers
9k views

laptop noisy sound - fan or hdd?

I've experienced some strange noisy sound in my laptop. I can't definitely tell it's from the fan, but I think so because hdd failure sounds are different. The laptop is Dell latitude e6410, its ...
28
votes
4answers
77k 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?
8
votes
2answers
85k 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'...
6
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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-...
0
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1answer
4k 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 (...
0
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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
2answers
422 views

i7 CPU Thermometer breaking down?

I have a custom build with a Intel Core i7-3820 on MSI X79A-GD45(8D) X79 motherboard. I'm using Thermaltake CLW0215 Water 2.0 Performer as CPU cooling. I have this build for about a year now. Back ...
13
votes
4answers
41k 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 ...
25
votes
6answers
12k 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 ...
18
votes
13answers
50k 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 ...
10
votes
3answers
4k 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
6answers
11k views

Why Laptops sometimes not shutting down when Lid closed? Red-hot laptop from bag, why?

I have had all kind of laptops such as Lenovo, IBM Thinkpad, Acer, Apple and many others -- with different operating systems. I have had this kind of problem with all of them: when I close the lid -- ...
5
votes
3answers
19k 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 (...
4
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5answers
10k 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 ...
6
votes
2answers
3k 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 ...
2
votes
4answers
18k 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 ...
2
votes
1answer
2k 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, ...
16
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4answers
3k 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 ...
10
votes
3answers
27k 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 ...
3
votes
3answers
53k 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
3k 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?
0
votes
1answer
2k views

CPU cooler does not fit, will it cool worse if I cut tips of heatpipes off?

Case: zalman z9 neo Cooler: deepcool gammaxx 400 According to specs it should fit, but it does not, probably because my motherboard is mini-itx and cooler located a bit to the left I'm thinking ...
162
votes
17answers
74k 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 ...
28
votes
3answers
8k views

How do software programs determine the HDD temperature?

Some software programs can etermine the temperature of the hard drive. E.g. HWMonitor: I say that there must be a thermometer inside the HDD and the data (via SMART) is passed as regular info to the ...
27
votes
1answer
105k 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&...
24
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4answers
95k views

Three-wire and four-wire CPU fans, what's the difference?

What is the difference between 3-Wire and 4-Wire CPU cooling fans? Of course, the obvious answer is “1 Wire!” :-)
16
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4answers
46k views

What is the safe temperature limit for a consumer SATA hard drive?

Background My personal desktop system at home has 5 SATA drives racked up inside. Recently my system started failing in odd ways like random kernel panics and I eventually traced it to random ...
31
votes
10answers
38k 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 ...
11
votes
2answers
28k 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?
18
votes
3answers
17k 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 ...
11
votes
8answers
32k 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 ...
8
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 ...
5
votes
5answers
14k 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 ...
6
votes
2answers
3k 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 ...
6
votes
1answer
8k 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 ...
5
votes
7answers
901 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 ...
9
votes
3answers
43k 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
6answers
9k 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/...
6
votes
5answers
1k 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
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
2answers
8k views

Why does my laptop gets extremely hot when battery is in and an intensive task is running?

I've run into this issue already, where when the battery is in and I'm running Folding@Home or other extremely CPU intensive tasks a temperature monitor reports temperatures up to 200°F/92°C. ...
4
votes
4answers
4k views

Slowing down cpu speed

How to slow down my laptop cpu so that it does not overheat?