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Question about gamma interference

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Old 08-20-2010 | 09:24 PM
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Question about gamma interference

I am having trouble with my computer monitor. It seems to just go haywire all on it's own and then eventually it fixes itself. The screen basically becomes extremely distorted out of nowhere, like watching snow on the TV. What causes this and how can I fix it. I busted out the old CRT tonight cause it was really acting up this time. I fucking cannot stand this and hate using my CRT monitor as it give me a headache at any refresh rate and resolution. I feel like I am looking into a fishbowl.

Here is what I am talking about btw:



I think it is magnetic interference or a severe gamma issue. Anyone have any ideas?
Old 08-20-2010 | 10:19 PM
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Get a new wall papaer. That one is fuxored..
Old 08-20-2010 | 10:20 PM
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Seriously, though, anything really magnetic nearby or on the other side of the wall?
Old 08-20-2010 | 10:37 PM
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Doesn't look magnetic or gamma related. Are LCDs even affected by magnets? I know CRTs are and if the replacement monitor isn't having in any weird artifacts then it isn't magnetic. My guess would be bad solder on the monitor circuit board or possibly bad connector on the monitor or even bad cable. Is the CRT hooked up using the same cable as this monitor?

FYI, click on the image, it's actually a video.
Old 08-21-2010 | 01:36 AM
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Originally Posted by #1 STUNNA
Doesn't look magnetic or gamma related. Are LCDs even affected by magnets? I know CRTs are and if the replacement monitor isn't having in any weird artifacts then it isn't magnetic. My guess would be bad solder on the monitor circuit board or possibly bad connector on the monitor or even bad cable. Is the CRT hooked up using the same cable as this monitor?

FYI, click on the image, it's actually a video.
I used a different cable for each monitor. The CRT sometimes flickers and the LCD does what is seen in the video. The LCD also randomly will have trouble with displaying reds, greens, and blues it will flicker on them and can be brought under control by adjusting the gamma settings, but doing this makes eveything else look worse. The thing is that this happens completely randomly and for whatever time frame it seems to want. The only thing magnetic that I can think of is maybe the speakers nearby, but it does it with them turned off too. I have no idea what is on the other side of the wall since it is somebody else's apartment on the other side. It is bothering the crap out of me and I don't want to buy a new monitor just to find out it is something else causing it.
Old 08-21-2010 | 01:55 AM
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How old it the LCD? Brand? Model?

Not all LCD's behave the same, even LCDs of the same brand and model. And the cheaper they get, the worse they behave.
Old 08-21-2010 | 02:49 AM
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Sorry I thought it was a CRT.

I got confudse. I drink sometimes... Like right now.
Old 08-21-2010 | 03:08 AM
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Its simple .. you're haunted.

<object width="640" height="385"><param name="movie" value="http://www.youtube.com/v/CVC2vyVCWJI?fs=1&amp;hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/CVC2vyVCWJI?fs=1&amp;hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="385"></embed></object>
Old 08-21-2010 | 01:19 PM
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Originally Posted by Sly Raskal
How old it the LCD? Brand? Model?

Not all LCD's behave the same, even LCDs of the same brand and model. And the cheaper they get, the worse they behave.
It's an Acer AL1912, I think it is a few years old. I'm thinking it may just be age too. I'm sick of it going nuts on me like this.
Old 08-21-2010 | 04:27 PM
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gamma radiation?
Old 08-21-2010 | 05:03 PM
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Originally Posted by phee
gamma radiation?
Well I do live near a nuclear power plant, so hmmm...
Old 08-21-2010 | 09:24 PM
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It's not magnetic, magnets on a CRT monitor turns everything the colors of the rainbows and it's very obvious and if that isn't happening on the CRT it's not magnets causing issues with the LCD either.

Try using the same cable that you used to connect your LCD to connect the CRT. Or do you have a neighbor who's monitor you could borrow to test and see if it's the cable or the LCD? If you use a neighbor's LCD and your cable for your LCD and their LCD isn't showing similar issues then the problem is with your LCD. Have you checked for a loose connection and tighten your cables down?
Old 08-22-2010 | 12:02 PM
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Originally Posted by #1 STUNNA
It's not magnetic, magnets on a CRT monitor turns everything the colors of the rainbows and it's very obvious and if that isn't happening on the CRT it's not magnets causing issues with the LCD either.

Try using the same cable that you used to connect your LCD to connect the CRT. Or do you have a neighbor who's monitor you could borrow to test and see if it's the cable or the LCD? If you use a neighbor's LCD and your cable for your LCD and their LCD isn't showing similar issues then the problem is with your LCD. Have you checked for a loose connection and tighten your cables down?
I have another cable I will try with the LCD and the one I am using now is tightened down all the way.
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