Apple 30" inch Cinema Display pixelation problems

This is following on from a similar thread which is as yet unresolved the thread was called "30" with edge effects, green pixels?"
My setup is Mac Pro 3GHz Dual Intel (Brand New)
Graphics Geforce 7300 GT with a brand new 30" apple cinema display.
The problems is that pixelation occurs at random times and is only solved by changing the screen resolution down and then back up to its native setting. Is there a away to solve this problem. Someone on the thread mention above thought that it might be a syncing problem between the monitor and the card but the thread was never resolved and it is dated October. By the way I have check whether its plugged into the correct port and it is so any suggestions or bug fixes would be helpful thanks.

I've had my 30" display for 1 year running on an "old" G5 with an ATI Radeon 9600 Pro card (along with an "older" 20" Apple Cinema Display, the one with the plastic bezel). No problems with the 30".
A few weeks ago I got a Mac Pro with the ATI Radeon X1900 XT card. That's when I got the green pixelation problem. I thought it must be the card (since the monitor works just fine on lesser cards...), so I took the entire Mac Pro and X1900 to the Apple Store and hooked it up to one of their 30" monitors: no pixelation problems after over an hour of test running it with Aperture, Safari, etc. ****. I began to think that Apple has made some sort of change in the more recent 30" monitors to avoid the problem; either that, or my monitor is old and tired after only 1 year.
My 30" still runs fine when I put it back on the old 9600 card; it does ok (with only Minor intermittant pixelation lines) on the original (lesser?)card that came as base equipment on my Mac Pro; and it has the MOST pixelation problems with the BEST card (the X1900). Perhaps these 30" monitors can't handle all the data being sent by the more powerful cards? Is that possible?

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Apple 30 inch cinema display

What video card would work best with the 30inch display and Gateway PC?

If its a year old it'll probably have a PCI-Express slot, but you'll have to find out for sure if your system has AGP or PCI-Express.
I don't know what your current graphics card is or needs for a graphics card will be, but these has two dual link DVI ports.
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http://www.newegg.com/Product/Product.aspx?Item=N82E16814161054
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<http://upload.wikimedia.org/wikipedia/commons/0/09/AppleDisplayConnector.jpg>
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https://www.flickr.com/photos/69744417@N06/15415125321/
https://www.flickr.com/photos/69744417@N06/15231698748/
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My 24 inch cinema display just flickered and stopped working. The power is still there, the sound is still their. isight camera doesn't appear to be on, the screen is black. My display window in settings still reconginizes another display, but the screen is just black. I've tried all the normal trouble shootings, ie resetting the SMC, and PRAM, but no luck. I have never had any problems with it at all. Any help would be appreciated.

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Message was edited by: EZ Jim
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Message was edited by: EZ Jim
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Hi Rocky Rakoon,
Thank you for your post, and welcome to the Apple Support Communities.
I understand that your Apple Cinema Display is not turning on upon startup. I'd like to reset the following, as it may resolve your issue:
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http://support.apple.com/kb/HT3964
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http://support.apple.com/kb/PH11243
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http://support.apple.com/kb/HT2810
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I have a mid 2007 Macbook running OS10.7.1. According to the tech specs for cinema display, it should be compatible with the cinema display, but I can't get any image on the screen.
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Thanks for your reply. I will explore your suggestions. I have a MacBook not a MacBook Pro. Does that affect your advice?
A 2007 MacBook also has mini-dvi so nothing is changed.
I have asked about the problem at the Apple store with a cinema display specialist.
Apple stores have "cinema display specialists"?
They don't know what the problem is and suggest I bring the MacBook in to be checked. They didn't identify any compatibility problem.
Which is why I question the words "cinema display specialists"!
We know that the display works fine because we are able to operate it with a MacBook Pro (2011). But any further suggestions welcome.
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Same thing is happening to me. I have the 20" Cinema Display (clear with ADC).
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Apple 30" inch Cinema Display pixelation problems

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