To remove the wireless module, unlatch the side cover and slide it off the system. Unlatch and remove the front bezel from the system. Find the hard drive assembly and disconnect the cables. Lift the assembly out of the system.
Identify the HDD and optical drive bracket. Disconnect the cable and unlatch it to remove the bracket from the system. Flip the bracket over and disconnect the two cables. Lifted out of the system. Find the wireless module and remove the screw. Unlatch and disconnect the cables connecting the module to the system. Slide the module out of the system.
To reinstall the wireless module, latch it back into place and reconnect the cables. Use the screw to secure it to the system. Place the hard drive bracket in the system and connect the two cables. Flip the bracket over and slide it into place.
Latch it into place and reconnect the cables. Put the hard drive assembly in the system and connect the cables. Reattach the front bezel and the side cover.