HP ProBook 640 G2 Maintenance And Service Manual page 62

Before removing the memory module, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the following components:
a. Service door (see
b. Battery (see
c. Hard drive (see
d. Solid-state drive (see
e. WWAN module (see
f. WLAN module (see
g. Optical drive (see
h. Keyboard (see
▲ If you are replacing a memory module, remove the existing memory module:.
▲ Pull away the retention clips (1) on each side of the memory module.
The memory module tilts up.
Grasp the edge of the memory module (2), and then gently pull the memory module out of the
▲
memory module slot.
CAUTION:
not touch the components on the memory module.
To protect a memory module after removal, place it in an electrostatic-safe container.
To install a memory module:
52 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
Service door on page
Battery on page 38).
Hard drive on page
Solid-state drive (select products only) on page
WWAN module (select products only) on page
WLAN module on page
Optical drive on page
Keyboard on page
To prevent damage to the memory module, hold the memory module by the edges only. Do
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