Apple 23" cinema display (white) NO POWER

I have a display here that will not turn on. I'am not sure if it is the adapter, or the actual screen that doesnt work.If it is the adapter, couldnt I just replace it with a new? If anyone has advice, I will listen.
Thanks

There are many postings under the heading of "Must unplug/replug monitor to work" on this topic. No one has a real solution yet to the problem though. I have a 2 month old 23" display that worked great up until recently and now it won't power up at all. I took it to be serviced and it worked fine when they plugged it in! I have had it work 2 times since then in that past week, but each time I turn off my computer, it won't come back on anymore. There is a known issue with the graphics card listed as "ATY,RV350", see Article #32473 for more info on this.

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