Leopard Login Screen has Seperate Display Color Profile

I have a very odd, yet seemingly simple, problem. I am the Admin on my Macbook Pro, and one day the Leopard Login screen started displaying in a completely different display profile (it has a purple hue). Once I log-in, the colors return to normal.
Is there a way to fix this? It's quite irritating!
Thank you!

Hey Aereo,
Did you ever get an answer to this? My MBP is doing the same thing, every now and then. When it does it, I go to System Preference, pick Displays and it immediately fixes the problem.
Any thoughts out there on what is causing this?
Thanks!
Matt

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http://img18.imageshack.us/img18/9680/imagen5it.png
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