To remove the memory modules, unlatch and remove the base cover. Unlatch and remove the front bezel. Identify and slide the tab to unlatch the hard drive assembly. Disconnect the cables and lift the assembly to remove it. Identify the memory modules, unlatch and lift them out of the system.
To reinstall the memory modules, place them back in the system and latch them into place. Reinsert the hard drive assembly and reconnect the cables. Relatch the assembly. Place the front bezel and base cover on the system.