Mid 2009 13" MacBook pro mini-dp to Cinema Display screen jumps from blue to desktop

I'm using a kanex brand iAdapt mini-dp to dvi adapter to connect my macbook pro to my 23" cinema display from early 2007, but it seems like the macbook is having trouble recognizing that the display is connected. The screen will go blue for a second, then show the desktop, then go back to blue. it repeats like this for as long as the adapter is plugged in.
I've gotten the screen to connect properly twice, but as soon as I unplug my laptop and try to plug it back in another day, I run into the same issue as before. I've seen other discussions about screen flickering, but this isn't really a flicker. Not sure if anyone else has experienced this, though it seems likely that this has happened before.
Any solutions? Thanks!

Hi thedankness,
Thanks for visiting Apple Support Communities.
You may find the steps in this article helpful with troubleshooting your display connection:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/HT1573
Regards,
Jeremy

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