Maintenance and Service Guide

Memory module
Description Spare part number
Memory module (PC3L-1600)
For use in models with Intel Pentium and Celeron processors
8-GB 693374-005
4-GB 691740-005
Memory module (PC4-2400)
For use in models with Intel Core processors
8-GB 862398-855
4-GB 862397-855
2-GB 864271-855
Before removing a memory module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst 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 32).
5. Remove the optical drive (see Optical drive on page 34).
6. Remove the bottom cover (see Bottom cover on page 41).
To remove a memory module:
1. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module.
(The memory module tilts up.)
48 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts