Silence coil whine

Silence coil whine

Nowadays, it is relatively easy to build a silent computer. But there is one particular noise that can be hard to eliminate: coil whine. This high pitched hissing or scratching noise is not only highly annoying, but also sounds like something is not working as it should.

In this article I will explain what coil whine is, what causes it and teach you how to find where it comes from. I will also reveal several methods and techniques you can use to reduce and even stop the sound completely. Before showing you what you can do to stop coil whine, I will first share more information on the topic to help you understand the problem better.

Simply put, coil whine is a high-pitched noise caused by vibrations in electromagnetic coils. When a current passes through an inductor an electronic componentit causes its copper wire to vibrate against its core with a high, audible frequency.

This annoying sound is what we refer to as coil whine. Most of the time, coils vibrate at frequencies that lie outside our hearing range. Only when they vibrate at an audible frequency it becomes a problem.

While coil whine can occur in many types of products and components, it is a particularly frequently occurring problem in modern PC components. Coil whine is recognizable by its high pitched sound. It can be described as a high frequency electronic buzzing, hissing or squealing or scratching noise. It does not always sound the exact same, but it is unmistakably recognizable if you are unlucky enough to be familiar with it.

Coil whine sometimes gets attributed to capacitors and gets called capacitor squeal. While capacitors can generate high frequency sounds, in the vast majority of cases, the high pitched sound in your computer is caused by inductor coils. One way capacitors make sound is when they go bad and expel toxic gas through the top. This can create a high pitched whistling sound that is similar to coil whine. Failing capacitors do not last long and are easily recognizable by bulging or a liquid coming out of the top.

Ceramic capacitors can also make similar sounds due to the piezoelectric effect, but this is not as common in modern PCs as coil whine is.

An inductor consists of a core with a coil of copper wire wrapped around it. It is also known as an inductor coil.


Its job is to store electrical energy in a magnetic field. The core is typically made out of iron or ferrite, which helps increase the magnetic field and inductance. Depending on what an inductor is used for, it can go by various names, like coil, choke, reactor or solenoid. One of the jobs of inductors is to smooth out power delivery and make sure that any irregularities are filtered out.Like EVGA.

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silence coil whine

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Has anyone noticed their 's coil whine? Just got mine hooked up and I've had coil whine before, but normally only during certain applications where the frame rate is really crazy high. But I can hear the whine just within Windows. New Member. Yeah - mine has it.

silence coil whine

I would, unacceptable. I took mine back to the store. Am going to wait to see what other people encounter. My has 0 coil whine. Initial shipments are reference only. If you have coil whine, please contact us directly. Yep, just received my brand new GTX and no matter what game I start, I get greeted by coil whine that is prefectly transmitted to my speakers :.

They are whisper quiet, I never realized how loud the GPU fans were, but now my GPU fans aren't even the loudest fans in my case even while gaming! Extremely pleased with them. I am kind of surprised though people are experiencing coil whine on these s given they are Nvidia reference models.Rtings Gsync Compatible List. ShadowPlay Highlights Manual. Please use the tech support megathread.

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Why Your PC "Whines," and How to Avoid It

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I am not an EE nerd who salivates over ripple graphs. The last time I was looking for a new PSU was in — the search ended in a resounding defeat. I spent dozens of hours testing five different power supplies. In the end, every single one had more electrical noise than my Corsair HX fromthough one of them the entry-level Be Quiet! In the end, I just decided to stick to my old Corsair.

As every silent PC enthusiast knows, modern graphics cards generate tremendous amounts of coil whine, and my unit is no different. Tellingly, my HX, which was dead silent with my previous card an AMD HDstarted making electrical noise — specifically, reproducing the coil whine of the video card.

The second reason is that, when I was buying the GTX, I got into a conversation with the salesman about coil whine. He mentioned that he used to have a huge coil whine problem on his card, but that he managed to reduce the noise by getting a new PSU. Finally, I was also curious to see if the acoustics of power supplies had improved over the past 5 years. Some of these are older titles, because I wanted to generate high framerates which are known to lead to coil whine.

I tested each application with vsync off and on. Predictably, turning vsync on with a 60 Hz monitor eliminated coil whine or made it very faint. If you also consider my good experiences with the HX, you see why the Corsair RMx instantly landed at the top of my shortlist. Now for the big question: is it quiet? This was true across all the tested apps. As a result, the overall electrical noise was cut in half. This was despite the fact that I was working with an open case and the unit was supplying no more than watts — and even that, only for brief periods.

The problem is that the PSU radiates heat into my case. I can, of course, remove the excess heat by cranking up my case fan. But then I would end up with noise because the case fan would cross the threshold of audibility. Testing the RMx made me realize that I am not a fan of semi-passive power supplies.Forums New posts Search forums. New posts New posts New profile posts Latest activity. Members Current visitors New profile posts Search profile posts. Log in Register. Search titles only. Search Advanced search….

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You should upgrade or use an alternative browser. Thread starter dchobaby Start date Jan 18, Joined Aug 16, Messages Joined Mar 4, Messages 7, I havent had a PC without some form of coil whine in years.It doesn't seem like there's a way to control the fan in any meaningful way. So doing light tasks the fans goes from silent to very loud every few minutes.

every pascal card i have owned has noticeable coil whine

Also seems there's a high pitch screeching noises coming from the laptop, even when the laptop is in sleep mode. When using the laptop and the fan is off, you can hear the screeching noise quite well.

Would be nice there would a BIOS update to better regulate the fan speeds under low load or allow the user the control them somehow. Hi, i also experienced the same thing! Bought the laptop yesterday 9 March and when I turned it on today 10MarchI immediately noticed the fan noise. I've noticed this fan noise complaint on other Ideapad threads, though, so I have no idea what to do either.

07 How to get rid of coil whine

Fan control might be fixable through a BIOS update, however at work we have had someone with this exact type of laptop. Fan got replaced after the unit was sent in for RMA and as for the coil whine, that remained. Also after repeatedly replacing the entire mainboard. Guess that one is just a feature of this mainboard, whether that is a good thing or not probably not, but it's not a sign on the wall for a pending failure eitheryou are most likely going to end up living with the high pitched coil whine.

Not really a dealbreaker for some, but for others it is a great annoyance. Just so sad because this is a nice spec, nicely built laptop but the fans are the worst. Fan kick in loud at 40C and blow out only cold air are the fan cooling much of anything? At the moment the only solution for this laptop is to return it or never buy it in the first case.

After a week or so, I traded it in for an HP laptop. I could live with fan noise but the coil whine drove me absolutely crazy, especially since I have sensitive ears and I like to study with my laptop in silence. Oh that's too bad Otterlo! Perhaps you can trade it in for another laptop in your country that hopefully does not produce any annoying noise? It's still quite a new laptop and aside from the noise, the Lenovo was a really good laptop so I imagine a trade-in is possible. View All.

Lenovo is committed to environmental leadership from operations to product design and recycling solutions. See our Sustainability Report.Welcome, Guest. Please login or register. Did you miss your activation email? This topic This board Entire forum Google Bing. Print Search. Author Topic: Physically silencing coil whine? Read times. I have a consumer device with inductors that make a high pitched noise.

A cotton wool cover around the inductors helped some, but not enough, and it's messy. What are common physical ways to silence coil whine? Are silicone sealants a good idea? Candle wax? What doesn't work at all? Are there any substances to avoid due to potential PCB or component damage? Was this only to help with noise? Are you completely sure it's a coil whine, not ceramic capacitor whine? Marco Super Contributor Posts: Country:. In the end the only way I found to truly silence my PC was 10 meter cables and some intervening drywall.

I can't fully pinpoint the source of the noise, but I think "open" inductors are a common culprit? Do you mean SMD caps? If so, that'd be easier to cover. Moving noise sources to another room is not that practical. Luckily, I don't think my PCs whine, not appreciably anyway.

Sadly, they make other annoying noises. Quote from: lpc32 on June 13,pm. Hiding from the missus, she doesn't understand. Glue won't help because it's not rattling and loose.

The vibration is transmitted through the material and substrate bulk and, as with high frequency radio waves: it radiates easily as well, hence the audible sound. I'd be tempted to hack the circuit itself.

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