To add or replace a memory module:
1.Save your work and shut down the computer.
2.Disconnect AC power and external devices connected to the computer.
3.Remove the battery (see Inserting or removing the battery on page 32).
4.Remove the service door (see Removing the service door on page 34).
5.If you are replacing a memory module, remove the existing memory module:
a.Pull away the retention clips (1) on each side of the memory module. The memory module tilts up.
b.Grasp the edge of the memory module (2), and then gently pull the memory module out of the memory module slot.
CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module.
To protect a memory module after removal, place it in an
6.Insert a new memory module:
CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module.
a.Align the notched edge (1) of the memory module with the tab in the memory module slot.
b.With the memory module at a
42 Chapter 5 Maintenance