Memory module
NOTE: Primary and expansion memory is installed in a side-by-side conguration in the bottom of
the computer. If only one memory module is installed, it must be installed in the socket labeled 1.
Table 5-7 Memory module description and part number
Description Spare part number
8 GB, DDR4-2400, 1.2-V 862398-855
4 GB, DDR4-2400, 1.2-V 862397-855
2 GB, DDR4-2400, 1.2-V 864271-855
Before removing the memory module, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 34).
2. Remove the bottom cover (see Bottom cover on page 34).
3. Remove the battery (see Battery on page 37).
Remove the memory module:
1. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module.
(The edge of the module opposite the slot rises away from the computer.)
2. Remove the memory module (2) by pulling the module away from the slot at an angle.
CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do
not touch the components on the memory module.
NOTE: Memory modules are designed with a notch to prevent incorrect insertion.
To protect a memory module after removal, place it in an electrostatic-safe container.
Reverse this procedure to install a memory module.
56 Chapter 5 Removal and replacement procedures for authorized service provider parts
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