high pitched whine lcd monitors price

Hi. What you are experiencing is a form of coil whine. Try messing with the monitor settings in the included monitor on screen controls. You mentioned adjusting brightness on a previous monitor. Did you have any luck adjusting the brightness on this monitor?

It looks like your monitor has multiple inputs and an external power brick. I would try switching to a different hdmi port and moving the power brick as far away as possible. It may be your power brick that is emitting that harsh noise, and not the monitor itself. Try another power brisk. You can try listening to the power brick when unplugged from the monitor to see if it emitts that specific noise. This is not the most scientific test, as the brick is not under load when unplugged from the monitor, so it may not produce a coil whine at all. If it does, find a replacement / RMA from samsung.

I have a cheap LCD that sometimes exhibits this problem (Chimei CMV 938D). For me, the most effective solution is playing with the brightness levels - it never whines at 100% brightness. I"ve always assumed it was the capacitors, though I"ve never been sufficiently motivated to take it apart and investigate.

I"ve had this screen for 2 years now, and it"s done it since it was new, so while it might be an early warning of death, I"ve always just figured it was a function of a cheap build. Admittedly I don"t often run mine in the brightness range where it whines.

Hello,

I had noticed a high-pitched whine from my monitor while playing the Beta version of a certain game (since the official release, the Refresh rate was lowered).

More recently, I had increased my screen resolution from 1024*768 to 1152*864. Since then, I"ve had a problem with a high-pitched whine. I had lowered the Refresh Rate from 75Hz to 70Hz, which caused the noise to cease... but not permanently. It occasionally recurs and ends later on (sometimes if I turn off the monitor for a few second/minutes); I"ve come to ignore it after a while.

A few minutes ago, the display itself began flickering slightly, and this accompanied by the same whine. As this worried me, I turned down the resolution to 60 Hz temporarily and decided to ask about this.

On a side-note, I cannot bear 60 Hz, considering I spend much time on the computer, likely more than is healthy. =P

I"ve been doing a bit of research on the whine, and was reminded that the last time I checked my monitor"s maximum refresh rate, I was using a lower resolution. My monitor manufacturer"s website does not mention the max. refresh rate for my resolution.


I have come here to ask the following:
- What are the possible causes of this; could it cause permanent damage or lower the life of my monitor? Or is a failing monitor the cause? Is my monitor capable of handling the 1152*846 resolution at 70 Hz?
- Is there any way to calculate maximum refresh rate for a monitor at a given resolution, assuming you have that very data for two or more other resolutions? Or alternatively, could somebody find out the maximum refresh rate for the Daytek DT-95A monitor at 1152*864 resolution?

EDIT: And before anybody starts linking me to Daytek"s website, note how there"s no listing of maximum refresh rate for my resolution.

In normal operating conditions, there shouldn"t be such high pitched noise with monitors. Please connect the monitor to different AC outlet and try to lower the refresh rate.

1. Check the video cables. Make sure the cable is securely connected and if possible change the cable. If using an LCD TV in Video mode, make sure the cable is connected to the correct input.

I"m experiencing a very annoying high-pitched buzzing sound with my Studio Display, I"ve spoken to others on Twitter who also have the problem and I"ve had Apple support on the case but nothing was resolved.

I have an electric car with a charger built into the house power supply, when the car is plugged in and charging the Studio Display"s noise becomes excruciatingly high pitched and loud. Due to this I charge the car over night these days.

Here"s a video of the sound, it"s hard to pick up so you may need headphones. Ignore the background noise, the high pitched tone should be audible. In real life it"s much more obvious and very annoying.

I"ve just  found the solution to an irritating problem with one of my computer monitors that makes a high-pitched sound when the computer is in sleep mode.

A quick Google search showed quite a few people were having this issue with various brands of monitors (mine"s an iiyama) and the general solution seemed to be; "they"re only $100, buy another one".

Well, one idea was that some monitors have a setting to make them turn on faster - when this is on, the lighting component is constantly heated so it turns on faster (doesn"t sound great for the environment!).

It might be a little frightening when your TV makes a high-pitched noise. However strange as it may sound, most manufacturers say you shouldn’t panic when this happens. A high-pitched sound produced when turning on your TV is completely normal.

This sound is produced by electrical charges made by the TV to power the pixels that create the images displayed on your screen. It is essential to note that the high-pitched sound produced when you turn on your TV shouldn’t be too loud either that it is audible when the TV volume is set to normal levels. Additionally, if you are getting no sound from TV there could be a different problem.

An unusually high-pitched noise from the TV could also mean a hardware malfunction. Fortunately for you, we have compiled a step-by-step guide on how to fix high-pitch noise from even the most highly-acclaimed TVs.

Several things could lead to a high-pitched noise from your TV. Different components inside the unit can produce these noises. These include the deflection yoke, horizontal flyback transformer, and horizontal deflection circuits, among other components. The connections to the tv such as the HDMI port may also be faulty but you can always learn how to fix an HDMI port on the tv.

A high-pitched sound might not necessarily point towards a hardware fault in your TV. However, before getting to that conclusion, the following steps will help you fix the issue.First, unplug any devices that might be connected to your TV unit and pause to listen if the high-pitched sound disappears. If it does, you’ll have to plug in one input device at a time to find the source of the noise. It should be noted that a faulty connection could be responsible for multiple problems that can arise with your TV like showing a black screen. Or if you are watching something with a soundbar, a faulty connection could cause the sound to be delayed on the TV.

A high-pitched sound from the TV will also be amplified depending on how the unit was installed. Glass, wooden, or wall brackets where the TV is positioned can increase the tone of the noise. Position your TV on a rubber surface to help muffle the sound.

Ideally, all TVs make some noise that can be heard in a quiet room with your ear placed on the unit. This is quite normal.If you have a home theater system or a soundbar connected to your TV, the high-pitched noise gets louder when you increase the volume. You will need to check your connections, including HDMI or RCA, for faults or physical damage. If you notice any wear and tear, replace them with higher shielding options.

If you have tried all the above options and you are unable to tone down the high-pitched sound, it could be an issue with an internal hardware component. You may want to try fixing the resolution on the tv too. But if it fails, it is essential to seek assistance from the manufacturer on your TV warranty status.

Several things could lead to a high-pitched noise from your TV. Different components inside the unit can produce these noises. These include the deflection yoke, horizontal flyback transformer, and horizontal deflection circuits, among other components.

A high-pitched sound might not necessarily point towards a hardware fault in your TV. However, an unusually high-pitched noise from the TV could mean a hardware malfunction.

If you have a home theater system or a soundbar connected to your TV, and the high-pitched noise gets louder when you increase the volume; you will need to check your connections, including HDMI or RCA, for faults or physical damage.

I used Newegg"s search feature on all the reviews for the VE278Q and VK278Q and searched for "whine" and "buzz". I own the VK278Q and researched and purchased it back in December and can"t hear what you"re talking about. I found the 2 reviews that you are talking about under the VE278Q for January of this year and one is a verified owner and one is not. Could be the same person.

Out of all these monitors that Newegg sells you have to figure that only a small percent post a review. Then figure in that people are more likely to post something if something is wrong with it. You get a very very small percentage with this problem.

These monitors have the transformer inside them and they can make noise. The transformer for my laptop chirps every now and then at random times due to electrical noise but it rarely happens. It"s even plugged into one of those Monster HTS 1000 power centers with digital voltage readout and power filtering. Would never had bought it if it weren"t on sale for $45 since Monster is mostly ripping people off with marketing BS, but I digress. My point is even if you plug this monitor into a power strip that claims to filter out line noise, you may still have this problem.

The high pitched noise from many LCD monitors when their brightness is reduced can be utterly distracting. Here’s a simple workaround that can work quite well with most monitors for many users. Also, please participate in our Quiet / Noisy Monitor Survey!

Many computer users have run into the issue of whining LCD monitors. Usually, it does not occur when the monitor is set to full brightness, which is usually too bright for most users. The natural response is to turn the brightness down using the monitor’s controls. That’s when the monitor can start to emit some high frequency tones, which are described most often as buzzing or whining. The noise usually gets worse the more the screen is dimmed.

It can be piercing and annoying enough to overcome even relatively high ambient noise. If you’ve spent the time and effort to study the information on SPCR and managed to achieve super-quiet performance in your computer, this whine can be absolutely frustrating. In short, it can drive people crazy.

The source of the problem appears to be components in the electronic circuit which controls the brightness of the CFL bulb that lights most LCD monitors. Most likely, this is some form of PWM (pulse width modulation) circuit, a very useful tool that, alas, can have negative side effects. For example, while it allows a fan to start reliably at unusually low speed, an improperly matched PWM control circuit can cause a DC fan to emit more clicking, buzzing and chattering noise as it is slowed. A similar effect may be happening with the monitor CFL bulbs. To modify this electronic circuit in order to reduce or eliminate the whining noise is an impossible challenge for most users.

This workaround will obviously not work for LCD monitors that whine even at full brightness. A replacement with another sample or model is recommended in such cases. We have not tried replacing the CFL bulb of afflicted LCD monitors; it probably is not the cause, however. Interestingly, the whine of CRT monitors can usually be reduced by setting its internal brightness control down. It’s also not clear whether any LED-lit monitors suffer the same problem. CAUTION: If you are an image professional (or advanced amateur) who relies on color accuracy, this may not be a good solution. For details, please see the discussion in the forum linked below. If you find the color degradation with this approach to be serious, you may also want to try a combination of both monitor hardware brightness control and video driver software brightness reduction. With a decent monitor, for typical computer uage, you should be able to find a happy compromise between image integrity and aural peace.

Please help us help you! The SPCR staff and lab can only examine and report on a finite number of products. Reader contributions can expand our reach tremendously. Everyone viewing this page has a monitor. In the forum discussion linked above, please post the make and model of your monitor and whether it whines. If it does, describe the degree, nature and conditions. As this log grows, everyone can benefit by using it as a quick reference. When it gets big enough, we will turn it to a table with multiple models, samples and ratings, and keep it uptodate. It will become a highly useful resource for quiet monitor seekers.

We continue to explore the issue of high frequency tonal noise from many computer components. As we approach ever lower noise levels, this electronic whining often becomes critical; in “normal” (read: noisy) computers, it is masked by the noise of fans and hard drives. Power supplies, motherboards and video cards are the other main sources of electronic whine. The whine is often associated with power components, usually capacitors and coils. Poor circuit design is probably at fault; electronic resonances in circuits can cause the components to vibrate or ring, and the whining we hear is directly related to that ringing.

The CPU itself cannot generate any noise because the hardware and compoments on the CPU are not capable of that. This is called "Coil Whine" that comes from the inductor on the motherboard or graphics card, or in the power supply.

This is because some of the cable come with the power supply that will have a capacitor on it, and some do not.  Capacitors is a good factor for current stability which could solve the coil whine issue in some cases.

It"s a fact of life that all computers emit RF noise due to their high frequency operation (yes, even the old 8-bit computers from the 1980s with their 1MHz CPUs) so it all depends on how well this noise is shielded from the analog side of the sound card. How good this suppression is depends on how good the combination of mobo and sound card are at suppressing it. A ground loop, or poor ground can amplify the problem. Maybe even the design and quality of the PSU can contribute it. It"s a tricky thing to design well and suppress.