iBook Screen Shaking

[kymac]

My iBook's screen starts shaking once the screen is half closed. I don't know what the problem is, and is there a way to see if the computer has apple care? I bought it from someone and they didn't know if it had it.

 

[Fleetwood Mac]

http://www.apple.com/support/

Enter your iBooks s/n on the appropriate lookup box. (bottom right)