10 Memory modules
The computer has one memory module compartment, which is located on the bottom of the computer.
The memory capacity of the computer is upgraded by adding a memory module to the vacant expansion
memory module slot or by upgrading the existing memory module in the primary memory module slot.
WARNING! To reduce the risk of electric shock and damage to the equipment, disconnect the power
cord and remove all batteries before installing a memory module.
CAUTION: Electrostatic discharge (ESD) damages electronic components. Before beginning any
procedure, be sure that you are discharged of static electricity by touching a grounded metal object.
NOTE: To use a dual-channel configuration when adding a second memory module, be sure that both
memory modules are the same size.
To add or replace a memory module:
1. Save your work.
2. Shut down the computer, and close the display.
If you are not sure whether the computer is off or in Hibernation, turn on the computer by pressing
the Power button, and then shut down the computer through the operating system.
3. Disconnect all external devices connected to the computer.
4. Disconnect the power cord from the AC outlet.
5. Turn the computer upside down on a flat surface.
6. Remove the battery from the computer.
7. Remove the four memory module compartment screws (1).
78 Chapter 10 Memory modules