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Old 28th Oct 2012, 22:20   #1
xy16644
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Question Dell U2713HM buzzing noise

On Friday I took delivery of my Dell U2713HM monitor from OCUK. It was all going well until I noticed that when I have certain windows open the monitor makes a buzzing noise. I noticed someone else had this issue on the Dell forum but after they tried doing a factory reset etc there weren't anymore posts from Dell.

Is this normal for a monitor costing this much? I find it really annoying having to listen to this buzzing noise in the background. Its not constant either so the loudness of the buzzing changes depending on what windows I have open! Certain white backgrounds and a particular spreadsheet of mine make it buzz everytime. In the spreadsheet if I minimise it then the buzzing goes away...restore the windows (maximise) and the buzzing starts again! I tried connecting the monitors power plug into another socket on the wall and this made no difference. Before I had it plugged into a power strip.

Is the monitor faulty? Any ideas or help anyone can offer? This monitors fantastic but this buzzing noise is a pain!

I'm running Windows 7 Pro 64bit and I am using Displayport for the connection to the Intel HD 4000 graphics card on the PC.
Last edited by xy16644; 28th Oct 2012 at 22:40.
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Old 29th Oct 2012, 09:35   #2
mogwai
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Are you able to test any other interfaces such as DVI?

My 6 year old Samsung buzzes if I am on web page that is predominately black.

If the different interface does not help you could return it under the 14 day guarantee and order another one.

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Old 29th Oct 2012, 10:52   #3
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funnily enough i've noticed this on my U2713Hm this morning. again only does it on full screen spreadsheets and certain patterns. quite odd. not had time to experiement to see if there's a way to avoid it or a route cause

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Old 29th Oct 2012, 16:05   #4
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That is odd indeed. I've got one of these at work and I'll see if I can replicate it too and see if there are any triggers I can identify.

OLED and QLED - the future of monitors @ pcmonitors.info
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Old 29th Oct 2012, 16:39   #5
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I've got two of these and neither buzzes and I tested them on white and black background etc.....I use DVI-D into a GTX580.
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Old 29th Oct 2012, 16:48   #6
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it has to have text in the spreadsheet as well and it seems only certain things trigger it. a full screen of text at 18pt (approx 55 lines) seems to also trigger it

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Old 29th Oct 2012, 17:14   #7
Castiel
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Quote:
Originally Posted by Baddass View Post
it has to have text in the spreadsheet as well and it seems only certain things trigger it. a full screen of text at 18pt (approx 55 lines) seems to also trigger it
I tried various types of text, and variances in screen brightness, colour temp etc as pointed out in other forums and I have yet to hear any buzzing from either of my u2713s...
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Old 29th Oct 2012, 17:34   #8
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my Hazro does this.

And according to hazro any sound less then 38 DB is legal and within specs on all LCD's
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Old 29th Oct 2012, 18:38   #9
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Quote:
Originally Posted by Castiel View Post
I tried various types of text, and variances in screen brightness, colour temp etc as pointed out in other forums and I have yet to hear any buzzing from either of my u2713s...
Drop me an email and I'll send you the sample PDF someone sent me to test out. Be interested to confirm its definitely not a feature of all samples or not

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Old 29th Oct 2012, 22:12   #10
xy16644
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Thanks for all the replies!

I have not tried any other interfaces on the monitor yet. My motherboard only has HDMI and Displayport. I have only tried Displayport so far. I am trying to find an HDMI cable so that I can test this connection.

This evening I plugged my new computer and monitor into the new APC surge protector I bought to protect my equipment. This did not help with the buzzing noise.

Its such a shame as this monitor is mind blowingly good. I've never experienced image quality like this before.

I'm still not sure if I can tolerate the constant buzzing noise which varies depending on what I am viewing.

I did try doing a factory reset on the monitor but this made no difference at all.

The other strange thing is, when I turn the desktop on and I'm in the BIOS screen (or at the BIOS logo when the machine initially comes on) there is zero buzzing...but as soon as the Windows desktop appears the buzzing starts.

Also, when changing between a spreadsheet, email and some website the buzzing has varying degrees of "buzziness". Its so odd. I can't believe this is normal for such a high end (and expensive) monitor!
Last edited by xy16644; 29th Oct 2012 at 22:22.
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Old 29th Oct 2012, 22:18   #11
xy16644
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Could it be the Displayport cable itself that causes this buzzing noise? I did order a value OCUK cable with the monitor:

https://www.overclockers.co.uk/showp...odid=CB-071-OK
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Old 30th Oct 2012, 00:04   #12
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Direct from hazro

The high pitch noise originates from the T-CON board and is common on 30" monitors (regardless of brand). LGs policy is if it is >38dB, it can be claimed for under warranty - but this is under normal use and not when an all white background is constantly used. No 2 panels are ever the same and in many studios where we have fitted +200 monitors, some buzz more than others. It is not a defect - more of a nuisance.
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Old 30th Oct 2012, 00:46   #13
Castiel
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Quote:
Originally Posted by Baddass View Post
Drop me an email and I'll send you the sample PDF someone sent me to test out. Be interested to confirm its definitely not a feature of all samples or not
My email is in trust.
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Old 30th Oct 2012, 07:32   #14
xy16644
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Quote:
Originally Posted by Diagro View Post
Direct from hazro

The high pitch noise originates from the T-CON board and is common on 30" monitors (regardless of brand). LGs policy is if it is >38dB, it can be claimed for under warranty - but this is under normal use and not when an all white background is constantly used. No 2 panels are ever the same and in many studios where we have fitted +200 monitors, some buzz more than others. It is not a defect - more of a nuisance.
What is Dells policy regarding this? How does one know its louder than 38dB if you don't have sound measuring equipment?
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Old 30th Oct 2012, 09:23   #15
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I've had at least 5 Dell 2209wa monitors replaced simply by claiming the monitor buzzed loudly. In my experience 50% seemed to buzz. You will probably need to contact Dell directly tho as such a 'fault' may be looked upon differently by your retailer.
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Old 30th Oct 2012, 10:44   #16
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Quote:
Originally Posted by xy16644 View Post
What is Dells policy regarding this? How does one know its louder than 38dB if you don't have sound measuring equipment?
Its an LG policy. They make the LCD.
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Old 30th Oct 2012, 12:39   #17
xy16644
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I tried this:

http://davidvielmetter.com/tricks/ho...humming-noise/

and it made no difference whatsoever.
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Old 30th Oct 2012, 13:06   #18
mogwai
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I was reading about this issue yesterday and someone found that on their monitor mute did not work and turning the built in speakers down to 0 fixed the noise.

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Old 30th Oct 2012, 13:08   #19
xy16644
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No speakers built into this monitor...

Turning up the brightness to 100% did nothing for the buzzing. Nor did reducung the gamma.
Last edited by xy16644; 30th Oct 2012 at 13:15.
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Old 30th Oct 2012, 21:03   #20
xy16644
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Hi All

Heres the latest I tried this evening:

1) I used the HDMI port on the monitor to my laptop. This still resulted in a buzzing noise when opening spreadsheets, browsing websites etc

2) I tried a different power cord to the monitor and plugged it into a different socket in the wall. This made no difference and the buzzing continued.

3) I tried changing the refresh rate from 59hz to 60hz. This also made no difference.

4) I also tried adjusting the brightness in the Intel drivers screen but this didn't help either.

I'm out of ideas now and will be contacting OCUK support to request a replacement (I've only had it since Friday last week). I can't believe this is normal for such a high end (and expensive) monitor to make such a buzzing noise of various loudness.

At work someone next to me has two Dell 24" monitors (not sure the exact model) and neither of them make this buzzing noise. I put my ear right up to each monitor and neither made the buzzing noise. I have a 20" Dell at work and it doesn't make any buzzing sound either.
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Old 30th Oct 2012, 22:01   #21
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All monitors are different, Its the T-Con board that makes the noise and LG states that anything below 38 DB is Fine and within spec.
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Old 30th Oct 2012, 22:03   #22
xy16644
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I have no way of knowing if its 38dB or not...
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Old 31st Oct 2012, 09:08   #23
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how often does the buzz manifest itself though? Sure, maybe it shows up if you're viewing full screen spreadsheets with a certain amount of text in them, but in my day to day use i have yet to come across an instance where i've heard it in practice (i tend to do split screen working etc)

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Old 31st Oct 2012, 13:32   #24
Castiel
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Quote:
Originally Posted by Baddass View Post
how often does the buzz manifest itself though? Sure, maybe it shows up if you're viewing full screen spreadsheets with a certain amount of text in them, but in my day to day use i have yet to come across an instance where i've heard it in practice (i tend to do split screen working etc)
Thanks for the PDF...I put it onto both monitors individually and set view to full-screen....turned up the brightness and contrast to full and then gradually decreased both...I did this in each preset and using my Calibrated settings.

There was no buzzing at all at any of the settings on either monitor.

I can only conclude that the buzzing is a common fault rather than inherent in the screen technology itself or it has another cause such as power supply issues, cable inferiority or a combination of factors including Graphics Card....

I used a POV GTX580 and an Asus GT630 for the comparisons....
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Old 31st Oct 2012, 18:42   #25
Diagro
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Mine buzzes on white and lower buzzing the darker the image. Its just a tcon board issue
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Old 31st Oct 2012, 20:00   #26
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If you have tried everything suggested here yet still have a loud buzzing then it could possibly be a bad disc capacitor or poor flow-soldering!?
Whatever it's not your problem if it's brand new, just get a new one sent out.

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Old 31st Oct 2012, 20:09   #27
xy16644
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Thanks again for all the replies.

What I find so odd is how the buzzing intensity varies. For example, I can be reading an email in Thunderbird and theres pretty much no noise and then I'll select another email and the buzzing will start. Same goes for websites, spreadsheets, documents. In other words, the buzzing is intermittent and the noise level varies.

I listened quite carefully to a work colleagues dual 24" Dell monitor setup today and there was zero buzzing coming from either monitor. And that was with my ear on the top of the monitor! At home when the buzzing starts on certain screens I can hear it from the other side of the room!

Sigh.
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Old 1st Nov 2012, 16:42   #28
C.R.A.Z.Y
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Quote:
Originally Posted by xy16644 View Post
At home when the buzzing starts on certain screens I can hear it from the other side of the room!

Sigh.
In that case then you definitely need to contact whoever you purchased it from as it's clearly faulty.
You need to hurry up though as your consumer rights reduce as DOA is time specific!

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Old 2nd Nov 2012, 21:59   #29
xy16644
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Question

I've got an RMA number and OCUK are picking up the monitor on Monday.

In the meantime I need to connect a loan 19" monitor:

HP Compaq LA1951g

to the HDMI port on my desktop. The monitor has a DVI-D connection. From what I can tell it is a dual link DVI-D (I think) connector.

The question is, do I buy a single link DVI-D to HDMI cable or a dual link DVI-D to HDMI cable?

This is just so I can temporarily use the HP monitor while my Dell monitor is at OCUK.

Thanks for any help!
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Old 2nd Nov 2012, 22:15   #30
mogwai
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Just to show they don't all have this issue as I hooked mine up today and it does not buzz.

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