To remove the memory 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 Identify the memory module. Unlatch it And lifted out of the system.
To reinstall the memory module, place it back in the system. And relax it. 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.