Now, remove the small covers from the back of the case.
Using a Phillips #00 screwdriver, unscrew the three 5.6 mm screws from the covers (one screw on the RAM cover [middle] and two screws on the Hard Drive cover [bottom right]).
Then, lift up on and remove these covers as shown in the third image.
Using your fingers, grasp the white and black wires connected to the wifi card. Pull up on these wires until they release from the card. Do not be afraid to use some force.
Repeat the previous step for the two remaining ribbon cables (one is located by the fan, while the other is located by the CD/DVD drive).
For the ribbon cable located near the fan, use your fingers to grasp the black tab and gently, yet firmly, pull up on the cable to detach it from the motherboard.
Using the Phillips #00 screwdriver, unscrew the two 4.9 mm screws depicted here.
Next, remove the metal cover to expose the bluetooth card.
Gently fit the flat end of a spudger under the edge of the bluetooth card. Then, lightly pry up on this edge to release the card from the motherboard. (Refer to the third image)
Detach the two ribbon cables that connect the motherboard to the keyboard. To do this, use your fingers to gently pull on the cables until they disconnect.