Macbook Does Not Detect Display

Hi guys, I have a new Macbook 13" Unibody and just bought the mini-display to DVI adapter to connect my macbook to my Samsung SyncMaster P2370, but I just can't seem to get my macbook to detect my monitor. Is there some software or hardware updates that I have to install? or what else am I missing?

Take a look at this article for tips
http://support.apple.com/kb/HT3131?viewlocale=en_US

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