5. If it is necessary to replace the hard drive cable, slide the cable (2) o of the front end of the hard drive.
Reverse this procedure to reassemble and install the hard drive.
Memory module
Description Spare part number
8-GB (PC3L, 12800, 1600) 693374-005
4-GB (PC3L, 12800, 1600) 691740-005
2-GB (PC3L, 12800, 1600) 691739-005
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 bottom cover (see Bottom cover on page 24).
5. Disconnect the battery cable from the system board (see Battery on page 26).
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.)
28 Chapter 5 Removal and replacement procedures
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