Memory module
Description Spare part number
8-GB (DDR3L-1600) 693374-005
4-GB (DDR3L-1600) 691740-005
Before removing a memory module, follow these steps:
1. Turn o 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the top cover (see Top cover on page 26).
5. Remove the system board (see System board on page 38).
To remove a memory module:
1. Position the system board upside-down.
2. Press in on either side of the memory cover close to the edge of the system board (1).
3. Lift the cover o the system board (2).
4. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module.
(The memory module tilts up.)
Component replacement procedures 41
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