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Hello, I have a CRT monitor. And when I move it round on its axis(like a globe) it changes color on the screen cornors. Give me the solution of it

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I hate to be the bearer of bad news but a CRT monitor is probably quite old and past its prime. When movement causes colors to change, bad parts and loose connections are the culprit. Start saving your money, you will need to replace it with a flat screen monitor soon.

Posted on May 13, 2010

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My E771 monitor colors suddenly shifted with


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1. video-card gone bad;
2. video-cable gone bad;
3. video-cable not tightly-connected to CRT;
4. video-cable not tightly-connected to video-card;
5. "red" gun inside CRT gone bad.

Disconnect the video-cable from the computer, and try again to adjust the "red". If red-free, then it's time to responsibly recycle the CRT.

Reconnect & wiggle the video-cable, to see if that induces any "red" onto the CRT.

Connect the CRT to the VGA-output port on a notebook computer, to see if that video-card generates "red" as one of the primary colours.

Give the CRT a strong "whack" on the side, to see if "red" makes an appearance.

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My monitor changes colors (e.g. normal then turns


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As for the visible display area size (technically called the Resolution) right click on an icon free area on the desktop and click Properties. At the top of the form click on the Settings tab. At the bottom of this form find Screen Resolution and adjust it to it your requirements and click Apply. On the confirmation dialogue that pops up click Yes if the displayed resolution suits u otherwise click No and try another resolution size. Hope this helps.

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My monitor displays yellowish color instead of original color


yes please take the power on self test means disconnect signal cable and monitor will give
display without cpu if display appears then monitor ok fault is in cpu if not then fault is in monitor move signal cable and look display changes or not if changes then cable faulty replace it

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hello,
i think this problem accure due to chage of CRT CATHODE. if you are not a hardware engineer then check it from hardware engineer. any crt monotor have 3 RGB Cathode to release electron on screen. the electron comes shodow mask and create a pixel on the screen the pixel make a picture. The RGB color make the perfect picture. if your picture is dull then i think that happen due to less negative chage of Cathode or any Crt base Bios ic is failior. so you have to checked it from hardware engineer.
ok
bye

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First check whether you didn’t put the Inverter or UPS or any kind of huge power supply which content the big or higher voltage transformer...
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1 Answer

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as you are electronics engineer so let us discuss technically.

as you are unable to see green colour means you might be seeing picture of magenta colour

as technically

red+blue = magenta

crt has got three cathodes

your two cathodes circuit is fine one ckt that is green cathode circuit is not working.

for that problem your will have to check

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  • crt connector loose
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  • circuit related to green video ckt
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  • good luck.

 

 

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rainbow colour is normally due to magenatic effect on monitor

 

see that any magnetic thing is near monitor

 

 if it is there remove it

 

.after that put off monitor for 15 minutes & then put on.see if any change is there

 

 if there is any change is there wait for 2 or 3 days it will be ok.

 

if brightness is also less along with fad color then

 

 check for video output section & crt electrodes for normal voltage.

 

it that is also ok then crt is getting weak,

 

please be in touch with me unless it is solved.

 

hope this will help.

 

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CRT monitors can last way past 4 years if taken care of. Please give more detail of your problem since there's not much we can tell by your description. What colors? what was the progression of the problem? can you attach a screen shot? Please comment back

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