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Memory module
Description Spare part number
2 GB (PC3-10600 1333 MHz) 621565-001
4 GB (PC3-10600 1333 MHz) 621569-001
Before removing the memory module, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 36).
Remove the memory module:
1. Turn the computer upside down with the front toward you.
2. Loosen the two Phillips M2.5×5.0 captive screws (1) that secure the memory/wireless module
compartment cover to the computer.
3. Lift the left side of the cover (2), swing it forward, and remove it (3). The memory/wireless
compartment cover is included in the plastics kit, spare part number 636942-001.
4. 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.)
Component replacement procedures 37