HP ProBook 4341s Getting Started HP Notebook - Page 50

Adding or replacing memory modules, WARNING, CAUTION

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6. Replace the battery (see Inserting or removing the battery on page 33). 7. Turn the computer right-side up, and then reconnect AC power and external devices to the computer. 8. Turn on the computer. Adding or replacing memory modules The computer has two memory module compartments. 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 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 AC power and external devices connected to the computer. 3. Remove the battery (see Inserting or removing the battery on page 33). 4. Remove the service door (see Removing or replacing the service door on page 36). 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. 42 Chapter 5 Maintenance

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6.
Replace the battery (see
Inserting or removing the battery
on page
33
).
7.
Turn the computer right-side up, and then reconnect AC power and external devices to the
computer.
8.
Turn on the computer.
Adding or replacing memory modules
The computer has two memory module compartments. 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 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 AC power and external devices connected to the computer.
3.
Remove the battery (see
Inserting or removing the battery
on page
33
).
4.
Remove the service door (see
Removing or replacing the service door
on page
36
).
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.
42
Chapter 5
Maintenance