OLPC XO-4 Touch Touchpad Controller Replacement

Turn the laptop upside-down, with the handle facing away from you.

Pull the lock tabs towards the green outer edges of the laptop.

Hold the left lock tab in the unlock position until the battery is completely removed in the next step.

Lift up on the middle of the battery to remove it from the device.

Remove the two 2mm Phillips #1 screws from beneath the battery lock tabs.

Flip the laptop over to its normal position.

Lift the two antennas on both sides to unlock the screen.

Open the laptop.

Gently lift up on the back of the keyboard.

Pull the keyboard up far enough to expose the ribbon cable.

Gently lift up on the black connector to release the ribbon cable.

Gently pull the blue plastic tab up and away from the black connector.

Remove the keyboard from the laptop.

Remove the five 4mm Phillips #1 screws from inside the battery compartment

Flip the laptop over, showing the top of the device.

Open the laptop and rotate the screen ninety degrees.

Tilt the screen so the lower right corner of the screen is closer to the lower case.

Push in and lift up on the keyboard edge of the white handle piece.

Pull the piece towards yourself to remove it from the laptop.

Remove the four 4mm Phillips #1 screws attaching the green trim to the body of the computer.

Pry off the rear green trim piece.

Slide the green trim pieces away from the screen.

Unplug the cable from the mouse buttons controller to completely remove the lower frame from the device.

Rotate the entire lower assembly up slightly, and pull it away from the screen to free it from the screen hinge.

Remove the eight 4mm Phillips #1 screws attaching the green trim pieces to the lower frame.

Pry off the front and side trim pieces.

Remove the two 4mm Phillips #1 screws that attach the mouse buttons controller to the lower frame.

Disconnect the ribbon cable attached to the keyboard compartment.

Unplug the ribbon cable between the touchpad and the mouse buttons controller.

Remove the mouse buttons controller from the device.

Remove the two 4mm Phillips screws that attach the metal plate to the touchpad assembly.

Remove the silver contact tape from the metal plate.

Lift the metal plate off of the touchpad assembly.