Use your fingernail or the edge of a spudger to flip up the retaining flap on the UMD drive ribbon socket.

Be sure you are prying up on the retaining flap, not the socket itself

Use your fingernail or tip of a spudger to push both sides of the black retaining flap on the UMD laser ribbon socket to the right.

Use a spudger to gently pull both ribbon cables straight out of their sockets.