Get out the Philips #1 bit, and unscrew the three captive screws securing the keyboard.

Remove the single captive Philips screw securing the disc drive, then push the disc drive out by using your screwdriver on the area right above the disc drive screw.

Remove the two captive Philips screws securing the Smart Card (SC) reader, then lift the SC reader up. The SC reader is hinged at the point opposite to the screws.