HP Compaq Presario C542EA Notebook PC - Manual (Page 67)

7 Memory Modules
Adding or replacing memory modules
The computer has one memory module compartment, which is located on the bottom of the computer.
The memory 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 battery packs 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.
To add or replace a memory module:
1. Save your work and close all open programs.
NOTE If the computer is in the Sleep state or in Hibernation, you must first exit Sleep or
Hibernation before shutdown is possible.
2. Click Start, click the arrow next to the Lock button, and then click Shut Down.
3. Close the display.
4. Disconnect all external devices connected to the computer.
5. Disconnect the power cord.
6. Turn the computer upside down.
7. Remove the battery pack from the computer.
8. Loosen the memory module compartment cover screw (1).
ENWW Adding or replacing memory modules 61