using your philips head screwdriver, unscrew the 6 screws holding the speaker assembly in place.

using your heat gun, apply heat to the edges to again soften the adhesive seal.

using your flat head screwdriver, carefully pry up into the speaker's body.

be very careful when prying, as the speaker is still attached to wires on the motherboard.

when separating the speaker, carefully pull on the connectors on it

when putting the speaker assembly back together, again, replace the adhesive on the speaker and body.