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Dell Monitor & High Pitch Sound


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#1 ace

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Posted 29 November 2004 - 09:41 PM

Hello

I have a 17" Dell monitor (CRT) that sometimes makes a high pitched sound.
It starts and stops on its own or if I turn the monitor off and on again it is gone.
Usual lasts just a few seconds but has lasted up to 30 seconds.

Any idea what mabe happening?

Thanks
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Regards,

Russell


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#2 schussat

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Posted 30 November 2004 - 09:37 AM

I have experienced this from time to time. It sometimes happens when a monitor is running at an odd refresh rate -- though with an intermittent noise, I'm not sure if that would necessarily explain it. I'd recommend adjusting your resolution and/or refresh rate (via, I think, the adapter tab on your display preferences) and see if it makes any difference.

#3 Deverill

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Posted 01 December 2004 - 10:47 PM

Be careful when resetting the refresh rate on a monitor. As Microsoft says, you may damage the monitor (hardware) by setting an unsupported refresh rate. Make sure your monitor can handle the rate you desire to set it to before doing it.

With that said, I did read somewhere that setting it to the highest supported rate will reduce the chance for noise.
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#4 girls_eyeview

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Posted 11 January 2006 - 12:33 PM

Be careful when resetting the refresh rate on a monitor. As Microsoft says, you may damage the monitor (hardware) by setting an unsupported refresh rate. Make sure your monitor can handle the rate you desire to set it to before doing it.

With that said, I did read somewhere that setting it to the highest supported rate will reduce the chance for noise.


Hi all,
I was having problems with noise on my dell monitor. It was making this weird squeely noise on startup. I adjusted the refresh rate and that worked. The refresh was set at 85 and I changed it to 75. So for dell monitors anyway, I guess that's the highest rate supported. Thanks for the good info!
(So again for non-techies, it was Start, Programs, Settings, Control Panel, Display,Settings,Advanced,Monitor)

Thanks again.
:)

#5 TCH-Mark

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Posted 11 January 2006 - 12:34 PM

Hello,

Thanks for letting us know.

#6 TCH-Rob

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Posted 11 January 2006 - 02:08 PM

Welcome to the forums girls_eyeview. Thanks for the tip.

#7 TCH-Andy

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Posted 11 January 2006 - 02:16 PM

Welcome to the forums girls_eyeview :)
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#8 TCH-Bruce

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Posted 11 January 2006 - 02:31 PM

Welcome to the forums :)

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#9 TCH-Thomas

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Posted 11 January 2006 - 02:47 PM

Welcome to the forum, girls_eyeview :)

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#10 MikeJ

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Posted 11 January 2006 - 03:55 PM

Adjusting your refresh may help, adjusting your brightness might to. Some whine if they get too warm so try a cooler environment if you can.

I know the 2405fpw has a history of whining problems especially when they get too warm, but I don't really know the history on the Dell 17" monitors. (fortunately, my 2405fpw that I've had for 6-7 months is very quiet, but it is in a well ventilated area too).
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#11 TCH-Don

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Posted 11 January 2006 - 07:03 PM

Welcome to the forums girls_eyeview :)

#12 stevevan

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Posted 11 January 2006 - 08:02 PM

Welcome to the forums. If memory serves (it's been a while since I've worked on monitors/TV's), the whine is caused primarily by what you suspected and changed...the refresh rate. Heat DOES affect the operation of it, but not as severely as a bad refresh rate. It affects a device in the monitor called the flyback (i think...I can picture it, but i don't remember if that's the right name or not! :)). That's why they have the warning about refresh rates.

Good catch!
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#13 cajunman4life

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Posted 11 January 2006 - 08:25 PM

Welcome to the forums, girls_eyeview! :)
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#14 girls_eyeview

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Posted 14 January 2006 - 08:34 PM

Thanks all for the warm reception!

Edited by girls_eyeview, 14 January 2006 - 08:39 PM.


#15 paultwang

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Posted 18 January 2006 - 05:06 AM

Welcome to the forums. If memory serves (it's been a while since I've worked on monitors/TV's), the whine is caused primarily by what you suspected and changed...the refresh rate. Heat DOES affect the operation of it, but not as severely as a bad refresh rate. It affects a device in the monitor called the flyback (i think...I can picture it, but i don't remember if that's the right name or not! :)). That's why they have the warning about refresh rates.

Good catch!


You're right. It's a flyback transformer. My previous CRT monitor also had this problem. I was uncertain whether it was the refresh rate or the resolution. It only squeaked at 640x480 but not 800x600 nor 1024x768. Sometimes a whack would fix it.

#16 crippen

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Posted 19 January 2006 - 12:26 AM

Adjusting your refresh may help, adjusting your brightness might to. Some whine if they get too warm so try a cooler environment if you can.

I know the 2405fpw has a history of whining problems especially when they get too warm, but I don't really know the history on the Dell 17" monitors. (fortunately, my 2405fpw that I've had for 6-7 months is very quiet, but it is in a well ventilated area too).


I have noted who my fellow 2405fpw users are :D I really love mine. No whining problems here, either, although I am also aware of this being a problem for some.
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