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Off topic: Why is my monitor buzzing?
Thread poster: NancyLynn

NancyLynn
Canada
Local time: 15:03
Member (2002)
French to English
+ ...
Jan 17, 2004

Hi everyone,
I've had this monitor since April 1999. Lately I've noticed that every now and again I get a short buzz. But tonight, for some reason, it's really buzzing!
(Is it the presence of the police right at my door, detouring traffic?)
Or is it about to give up the ghost?
Thanks
Nancy


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Jerzy Czopik  Identity Verified
Germany
Local time: 21:03
Member (2003)
Polish to German
+ ...
Not good news for your monitor Jan 17, 2004

It will be the second option, it´s giving up. Buzzing will most probably be caused by the transformator or some other parts of your monitor.
If I were you I would take google and search for a not to expensive flat screen - at least 17 inches.

Kind regards
Jerzy

PS
Take a look here: www.ecost.com


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Uldis Liepkalns  Identity Verified
Latvia
Local time: 22:03
Member (2003)
English to Latvian
+ ...
May be a loose contact somewhere, Jan 17, 2004

better to take it to service, as loose contact can be a cause for heating and as a result for inflamming. And if it's not that, than it is an issue demanding special measuring instruments, scarcely any specialist can take them to your home, as they are rather bulky, so- service workshop (and the sooner, the better).

The Bests and the Regards,
Uldis

NancyLynn wrote:

Hi everyone,
I've had this monitor since April 1999. Lately I've noticed that every now and again I get a short buzz. But tonight, for some reason, it's really buzzing!
(Is it the presence of the police right at my door, detouring traffic?)
Or is it about to give up the ghost?
Thanks
Nancy


Direct link Reply with quote
 

Uldis Liepkalns  Identity Verified
Latvia
Local time: 22:03
Member (2003)
English to Latvian
+ ...
No Jerzy, Jan 17, 2004

I would not change my 21" Compaq for a flat screen at a gunpoint

We have several flat screens (if by flat screen you mean liquid cristal), they are stylish and all, but not (yet) suitable for a human beings eyes, who's working at them for 8 or more hours a day. Of course, they will become better very soon, at the rate IT industry is developing, but at the moment...

Jerzy Czopik wrote:
If I were you I would take google and search for a not to expensive flat screen - at least 17 inches.


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Jerzy Czopik  Identity Verified
Germany
Local time: 21:03
Member (2003)
Polish to German
+ ...
I dare to differ, Uldis Jan 17, 2004

First of all, I meant TFT with "flat screen", not LCD. This is a big diference, as TFT are active monitors, where LCD are simple displays, used in mobiles or similar, and are more and more replaced by better technology everwhere it is necessary.

Modern TFT monitors are very well suitable for human being eyes. I have a hige 21" Belinea and a 18" Sony TFT. 18" TFT is sligthly smaller (I mean the seen screen surface), but with exactly the same working resolution of 1280 x 1024 pixel.
The only limitation of a TFT technology (which can be paid by normal people at this stage) is the colour scale. Normal CRTs are able to produce true colours, TFTs not. For foto studios and so on I would never recommend a TFT, but for a translator it is the best choice.
And believe me please, I do work more than 8 hours with it. In fact recently this were more than 10 hrs a day, 7 days a week, and my eyes are now thankfull. This was a pain with my CRT, even if working with settings of 85 Hz and above.
With TFT you do not have this problem, as the screen does not flacker even at 60 Hz, but all modern TFT can work with 75 Hz, 85 Hz or above.

But this is only my humble opinion

Kind regards
Jerzy


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Uldis Liepkalns  Identity Verified
Latvia
Local time: 22:03
Member (2003)
English to Latvian
+ ...
Obviously you're right, Jerzy Jan 18, 2004

as ours are LCD.
I didn't know the difference,seems these technologies are developing even faster I thought

Regards,

Uldis
Jerzy Czopik wrote:

First of all, I meant TFT with "flat screen", not LCD. This is a big diference, as TFT are active monitors, where LCD are simple displays,
Jerzy


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David Bean
Local time: 20:03
German to English
+ ...
Troublt with TFT Jan 18, 2004

Jerzy Czopik wrote:

First of all, I meant TFT with "flat screen", not LCD. This is a big diference, as TFT are active monitors, where LCD are simple displays, used in mobiles or similar, and are more and more replaced by better technology everwhere it is necessary.

Modern TFT monitors are very well suitable for human being eyes. I have a hige 21" Belinea and a 18" Sony TFT. 18" TFT is sligthly smaller (I mean the seen screen surface), but with exactly the same working resolution of 1280 x 1024 pixel.
The only limitation of a TFT technology (which can be paid by normal people at this stage) is the colour scale. Normal CRTs are able to produce true colours, TFTs not. For foto studios and so on I would never recommend a TFT, but for a translator it is the best choice.
And believe me please, I do work more than 8 hours with it. In fact recently this were more than 10 hrs a day, 7 days a week, and my eyes are now thankfull. This was a pain with my CRT, even if working with settings of 85 Hz and above.
With TFT you do not have this problem, as the screen does not flacker even at 60 Hz, but all modern TFT can work with 75 Hz, 85 Hz or above.

But this is only my humble opinion

Kind regards
Jerzy


It took me almost a year for my eyes to adjust to my new TFT screen from Dell. Nearly drove me nuts. But for many, it may be easier on their eyes than a cathode-ray.

David


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Nikita Kobrin  Identity Verified
Lithuania
Local time: 22:03
Member (2010)
English to Russian
+ ...
Dear Jerzy: Jan 19, 2004

Jerzy Czopik wrote:

First of all, I meant TFT with "flat screen", not LCD. Jerzy


What's the difference between LCD and TFT monitors? It's the first time I hear about TFT.

NK


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Jerzy Czopik  Identity Verified
Germany
Local time: 21:03
Member (2003)
Polish to German
+ ...
LCD is everything what´s flat Jan 19, 2004

To make it very easy: LCD display covers everything, working with liquid crystals, as watches, mobiles and so on.
TFT means "thin film transistor" and is a name for a principle of flat screen monitors (and displays), which came not so long time ago.
The first notebooks for instance have had LCD monochrome displays. Then there were DSTN displays. They were passive, what means the screen surface did not emit any light, but was lightened from the backgound. Thus the picture quality was not that good, the screen was not lightened equally in all areas, you could not see anything with stron light in front of the screen, and many other disadvantages.
Then HPA displays were introduced, but they are not present anymore, and I must admit, I do not know anything about them.
Then the TFTs came. These are active displays, what means, that the pixels of the display do emit light. They have still backlight, but the viewing angle of the display was increased dramatically. The picture quality was increased to. The first TFTs had not only advatnages, thus. The biggest disadvatnage of any LCD device is, that the liquid crystals do not change their properties fast enough to enable you watching fast changes on the screen. With the first flat screens it was nearly impossible to watch any movie or to play PC games. But recently there were big improvements in this area, and new technologies introduced, so you can watch movies on any modern TFT display.

Hope this clarifies the main differencies.
Kind regards
Jerzy


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Nikita Kobrin  Identity Verified
Lithuania
Local time: 22:03
Member (2010)
English to Russian
+ ...
Thanx Jerzy! Jan 19, 2004

If I properly have understood your explanation a TFT monitor is a kind of LCD monitor. I've got a Toshiba Satellite laptop on the screen of witch it's possible to watch movies. As far as I understand it means that I've got a TFT monitor, doesn't it?

Why then do we see everywhere (in shops, magazines, etc.) only the term "LCD monitor" and never "TFT monitor"?

Nikita

[Edited at 2004-01-19 21:31]


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Jerzy Czopik  Identity Verified
Germany
Local time: 21:03
Member (2003)
Polish to German
+ ...
This is not my fault... Jan 19, 2004

The answer to your first question is defintely yes, if you own a Toshiba notebook, and it is not older than 5 years, then you have a TFT screen in it.
Watching movies was not the biggest problems for TFT (LCD in general), as not all movies have sudden movements. But most PC games have sudden moves, and this was the problem.

Well, why do they promote LCD screens instead of TFT? I don´t know, but it depends on where you look. In Germany for instance we have a lot of "Flat screen" in the advertising, but they surely don´t mean CRT. Maybe this is in the anglo-american world, in Germany we use TFT: http://www.amazon.de/exec/obidos/tg/browse/-/911950/ref=br_bx_1_c_2_0/302-5807236-6025605

Sorry for confusing

Kind regards
Jerzy


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Uldis Liepkalns  Identity Verified
Latvia
Local time: 22:03
Member (2003)
English to Latvian
+ ...
Yes, TXNX Jerzy for explaining,+ Jan 19, 2004

Jerzy Czopik wrote:

To make it very easy: LCD display covers everything, working with liquid crystals, as watches, mobiles and so on.
TFT means "thin film transistor" and is a name for a principle of flat screen monitors (and displays), which came not so long time ago.
The first notebooks for instance have had LCD monochrome displays. Then there were DSTN displays. They were passive, what means the screen surface did not emit any light, but was lightened from the backgound. Thus the picture quality was not that good, the screen was not lightened equally in all areas, you could not see anything with stron light in front of the screen, and many other disadvantages.
Then HPA displays were introduced, but they are not present anymore, and I must admit, I do not know anything about them.
Then the TFTs came. These are active displays, what means, that the pixels of the display do emit light. They have still backlight, but the viewing angle of the display was increased dramatically. The picture quality was increased to. The first TFTs had not only advatnages, thus. The biggest disadvatnage of any LCD device is, that the liquid crystals do not change their properties fast enough to enable you watching fast changes on the screen. With the first flat screens it was nearly impossible to watch any movie or to play PC games. But recently there were big improvements in this area, and new technologies introduced, so you can watch movies on any modern TFT display.

Hope this clarifies the main differencies.
Kind regards
Jerzy


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