Maintenance and Service Guide

Memory module

Description Spare part number

8-GB (PCL3, 12800, 1600-MHz) 693374-005

4-GB (PCL3, 12800, 1600-MHz) 691740-005

2-GB (PCL3, 12800, 1600-MHz) 691739-005

Before removing the memory module, follow these steps:

1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the

computer on, and then shut it down through the operating system.

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 keyboard/top cover (see

Keyboard/top cover on page 34), and then remove the

following components:

a. Battery (see

Battery on page 38)

b. WLAN module (see

WLAN module on page 41)

c. Fan (see

Fan on page 44)

d. Audio/USB board (see

Audio/USB board on page 43)

e. Speakers (see

Speakers on page 45)

f. Display assembly (see

Display assembly on page 47)

g. System board (see

System board on page 56)

Remove the memory module:

1. Turn the system board upside down with the front toward you.

2. Spread the retaining tabs (1) on each side of the memory module slot to release the memory

module. (The memory module tilts up.)

Memory module