Remove the following 10 screws securing the lower case to the Air: Six 2.8 mm Phillips screws. Two 3.8 mm Phillips screws. Two 5.4 mm Phillips screws. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4617 Slightly lift the lower case near the vents and push it toward the rear of the computer to free the mounting tabs. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4618 Slightly lift the lower case near the vents and push it toward the rear of the computer to free the mounting tabs. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4618 Disconnect the battery connector by pulling it straight out of its socket. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4619 Remove the following nine screws securing the battery to the Air: Four 2.9 mm Phillips. Four 3.8 mm Phillips. One 7.2 mm Phillips. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4621 Lift the battery out of the Air. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4622 Remove the following two screws securing the speaker assembly to the upper case. One 3 mm Phillips. One 5.8 mm Phillips. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4627 Use a spudger to lift the audio-out connector board off the adhesive that secures it to the hard drive bracket. Disconnect the audio out connector from its socket. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4628 Use a spudger to lift the audio-out connector board off the adhesive that secures it to the hard drive bracket. Disconnect the audio out connector from its socket. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4628 Rotate the speaker assembly toward the center of the Air. Use a spudger to pry the speaker cable connector up off the audio board. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4629 Rotate the speaker assembly toward the center of the Air. Use a spudger to pry the speaker cable connector up off the audio board. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4629 Use the pointed end of a spudger to pry the speaker connector up off the audio board. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4639 Insert the pointed end of a spudger into the gap around the audio board to pry it up off the adhesive securing it to the speaker housing. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4640 Disconnect the audio out cable by pulling its connector straight away from the socket on the audio board. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4641 Audio board remains. /Guide/MacBook-Air-Models-A1237-and-A1304-Audio-Board-Replacement/857/all#s4635