Undo the module clamps, gently lift the end of the module to a 45-degree angle and pull it out. Do the same for the one below.
Make sure not to expose the memory to any static electricity whatsoever, ground yourself before handling it by either touching an unpainted metal surface or wearing an anti-static bracelet.
Run your fingernail or spudger along the crack between the top bezel and bottom casing at the back of the laptop, and proceed to release the clips and lift off the bezel.
Okay, don't freak out, but there are a BUNCH of clips and connectors to undo at this point, just keep calm and know where your towel is and all will be well.
Disconnect, using a spudger or fingernail, the following connectors:
Is there a separate sound module? My A215 works great except for the sound which is nothing but crackle/static even with sound turned to very low. Same thing using headphones so the speakers themselves seem to be ok.