Adding or replacing memory modules
The computer has two memory module slots. 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: To use a
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 or in the Sleep state.
If you are not sure whether the computer is off, 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 and remove the battery.
4.Remove the service door (see Removing the hard drive on page 49).
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.
Improving performance 53