1.Before removing the memory DIMM A:

• Remove the AC power.
• Remove the battery.
• Remove the hinge cover.
• Remove the keyboard. 

2.Locate the memory DIMM.

3.Press out on the latches on both sides of the DIMM socket.

4.Pull the memory up to a 45-degree angle.

5.Remove the DIMM from the socket.

6.Reverse the previous steps to replace memory DIMM A.