NOTE: SSDs are designed with a notch to prevent incorrect insertion.
Memory modules
To remove the memory modules, use this procedure and illustration.
Table 6-4
Memory module descriptions and part numbers
Description Spare part number
32 GB N77400-001
16 GB N77399-001
12 GB P33447-001
8 GB N77398-001
Before removing the memory, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 38).
2. Remove the bottom cover (see Bottom cover on page 38).
3. Disconnect the battery cable from the system board (see Removing and reinstalling the same
battery on page 41).
If you are replacing a memory module, remove the existing memory module:
1. Lift the protective cover (1) from the memory modules.
2. Spread the two retention clips (2) outward until the memory module tilts up, and then remove the
module (3). Use the same procedure to remove all memory modules.
IMPORTANT: To prevent damage to the memory module, hold the memory module by the edges
only. Do not touch the components on the memory module.
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Chapter 6 Removal and replacement procedures for Customer Self-Repair parts