HP Pavilion g4-2200 User Guide - Windows 8 - Page 60

WARNING, CAUTION, Unplug the power cord from the AC outlet.

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adding a memory module or replacing the existing memory module in one of the memory module slots. 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 with 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 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 Removing a user-replaceable battery on page 34. 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

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adding a memory module or replacing the existing memory module in one of the memory module
slots.
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 with 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 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
Removing a user-replaceable battery
on page
34
.
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