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Maintenance, Adding or replacing memory modules, 10 maintenance – HP EliteBook 8770w Mobile Workstation User Manual

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10 Maintenance

Adding or replacing memory modules

The computer has two memory module slots (or 4 memory module slots if there are quad core
processors). 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 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.

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.

NOTE:

Computers with dual core processors have 2 slots. Computers with quad core processors

have 4 slots.

NOTE:

To use a dual-channel configuration when adding a second memory module, be sure that

both memory modules are identical.

The primary memory is located in the bottom memory slot and the expansion memory is located in
the top memory slot.

Adding or replacing the memory module underneath the service door

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.

To add or replace the memory module underneath the service door:

1.

Save your work and shut down the computer.

2.

Disconnect AC power and external devices connected to the computer.

3.

Turn the computer upside down on a flat surface, with the battery bay away from you.

4.

Remove the battery (see

Removing a battery on page 45

).

5.

Remove the service door (see

Removing the service door on page 57

).

Adding or replacing memory modules

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