HP ProBook 430 G1 Notebook PC - Manual (Page 78)

3. Align the edges of the service door with the pimple (2) on the bottom of the computer.
4. Insert the alignment tabs on the rear edge of the service door with the notches (3) on the
computer.
5. Slide the service door (4) towards the battery bay until the service door snaps into place.
6. Tighten the 2 service door screws (5).
7. Insert the battery (see Inserting or removing the battery on page 39 ).
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.
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.
68 Chapter 10 Maintenance