Experiencing screen flicker on 30" cinema display
We have a 30" Cinema display that worked great for 2 years and then slowly began to experience issues. First, the monitor would not turn on at start up. It seemed to only do this in the mornings after the computer had been powered down all night. The monitor was on but it was not getting signal. The only way we could get it to work would be to unplug the monitor and then plug it back in. Lately, upon startup the monitor would flicker incessantly and the brightness icon would also appear on the screen. It has also started doing this when the monitor wakes up from sleep. We have other 30" displays and have tried swapping them out to see what happens. The troubled monitor shows the same symptoms regardless of which computer it is on. We have taken it in to the apple store twice and they could find nothing wrong with it. They replaced the power adapter box but the issue persists. We have taken videos of the monitor and its issues and can be viewed below. We would appreciate any assistance with this problem.
We are using the following desktops: Mac Pro 3.2Ghz Quad Core Intel, 14GB ram, NVIDIA GeForce 8800 GT card
http://www.youtube.com/watch?v=cFSlncMW4EA
http://www.youtube.com/watch?v=7b9GD3F7Im0
http://www.youtube.com/watch?v=az96pt89xB8
http://www.youtube.com/watch?v=U5ffbQIwSlY
http://www.youtube.com/watch?v=CmiKME79i-g
http://www.youtube.com/watch?v=Dh-e95A03cw
http://www.youtube.com/watch?v=34d3ibQ7beA
Mac OS X (10.6.7)