Primary memory module
Description Spare part number
4096-MB memory module (PC3-10600, 1333-MHz, DDR3) 599092-001
2048-MB memory module (PC3-10600, 1333-MHz, DDR3) 598856-001
NOTE: A memory module must be installed in the bottom primary memory module slot before a
memory module is installed in the top primary memory module slot.
Before removing a primary 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 battery (see
Battery on page 46).
5. Remove the keyboard (see
Keyboard on page 61).
Remove the primary memory modules:
1. Spread the retaining tabs (1) on each side of the primary memory module slot to release the
primary memory module. (The edge of the module opposite the slot rises away from
the computer.)
2. Remove the primary memory module (2) by pulling the module away from the slot at an angle.
NOTE: Memory modules are designed with a notch (3) to prevent incorrect installation into the
primary memory module slots.
64 Chapter 4 Removal and replacement procedures ENWW