Asus A53S I/O Board Replacement

Flip the laptop so the underside is facing up.

Using a Phillips #01 screwdriver, unscrew the two 6 mm screws.

Remove the back plate.

Place the spudger under the white wire and pull it up gently, disconnecting it from the wifi card.

Use the same method on the black wire.

Push the hard drive to the left and remove it.

Using a Phillips #01 screwdriver, unscrew the fifteen 6 mm screws at the indicated places.

Flip over the laptop and open it.

Using the spudger, insert the flat end into the notches at the top of the keyboard and slowly slide and "pop" the keyboard up and out of the device.

Using the flat end of the spudger, lift the black ZIF connector lock bar and disconnect the keyboard from the computer.

Remove the keyboard.

Using the spudger, place the flat end under the ZIF connector lock bar holding the power switch. Push the spudger up and to the left, disconnecting the power switch.

Use the same technique on the touchpad to disconnect it.

Using a Phillips #01 screwdriver, unscrew the seven 6 mm screws at the indicated places.

Gently pull out the optical drive.

Flip the laptop back over so that the bottom is facing up.

Use a Phillips #01 screwdriver to unscrew the three 6 mm screws at the indicated places.

Turn the laptop back over so that you can open it.

Gently separate the cover from the laptop by putting an iFixit Opening Tool between the cover and the lower part of the laptop and levering them apart.

Remove the yellow tape.

Using the flat end of a spudger, flip up the ZIF connector lock bar, disconnecting the USB board from the mother board.

Repeat this technique on the other side of the USB connector.

Using a Phillips #01 screwdriver, unscrew the 5 mm screw at the indicated place.

Gently remove the USB board.