Connection issue? Lines on screen, flashing colors when screen opened. HELP

Only when I open the laptop, the top third of the screen is unviewable through lines on the screen, while the bottom thirds lag or glow a whitish green color for a minute. After a minute or so it'll readjust.
This doesn't happen when i put the MBP to sleep with the top open, so I believe that its a connection issue.
What is wrong and how do I get it fixed?

As you have the Santa Rosa MBP, there is a good chance you have suffered the nVidea curse. Some 8600M GT chipsets failed under high temp usage. Fortunately, there is a Repair Extension Program (REP) that covers this for up to four years from data of purchase at no cost to you. See;
http://support.apple.com/kb/TS2377
The repair requires a logic board replacement. You need to take your computer to an Apple retail store or an AASP for evaluation. I suggest you print out the page I linked and take it with you; some AASPs and even some Apple Store employees are sometimes unaware of the program.

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