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9.
Remove the two Phillips PM2.0×3.6 screws (1) that secure the optical drive bracket to
the optical drive.
10. Remove the optical drive bracket (2).
Reverse this procedure to reassemble and install the optical drive.
Memory module
Description Spare part number
8-GB memory module (PC3, 12800, 1600-MHz) 670034-001
4-GB memory module (PC3, 12800, 1600-MHz) 641369-001
2-GB memory module (PC3, 12800, 1600-MHz) 652972-001
Before removing the memory module, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 47).
5. Remove the service cover (see
Hard drive on page 48).
Remove the 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.)
Component replacement procedures
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