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adding a memory module or replacing the existing memory module in one of the memory module
slots.
WARNING!
cord and remove all batteries before installing a memory module.
CAUTION:
any procedure, ensure that you are discharged of static electricity by touching a grounded metal
object.
NOTE:
To use a dual-channel configuration with a second memory module, be sure that both
memory modules are identical.
To add or replace a memory module:
CAUTION:
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.
4.
Turn the computer upside down on a flat surface.
5.
Remove the battery from the computer. See
6.
Loosen the captive screw to release the service door (1).
7.
Slide the service door forward slightly (2), lift the front right corner of the service door (3), and
then maintain an angle while removing the service door (4).
50
Chapter 8 Maintaining your computer
To reduce the risk of electric shock and damage to the equipment, unplug the power
Electrostatic discharge (ESD) can damage electronic components. Before beginning
To prevent information loss or an unresponsive system:
Removing a user-replaceable battery on page
34.
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