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Adding or replacing memory modules
The computer has one memory module compartment. The capacity of the computer can be 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, unplug the power cord
and remove all batteries before installing a memory module.
CAUTION: Electrostatic discharge (ESD) can damage electronic components. Before beginning any
procedure, ensure that you are discharged of static electricity by touching a grounded metal object.
NOTE: If the computer is only using a single memory module configuration, be sure to install the new
memory module in the slot labeled SODIMM1.
NOTE: To use a dual-channel configuration when adding a second memory module, be sure that both
memory modules are identical.
To add or replace a memory module:
CAUTION: To prevent information loss or an unresponsive system:
Shut down the computer before adding or replacing memory modules. Do not remove a memory module
while the computer is on, in the Sleep state, or in Hibernation.
If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the
power button. Then shut down the computer through the operating system.
1. Save your work and shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Unplug the power cord from the AC outlet.
4. Turn the computer upside down on a flat surface and remove the battery.
5. Lift up at the two indentations (1) to remove the service cover (2).
34 Chapter 6 Maintenance