Laptop User Manual

Primary memory module
Description Spare part number
Memory modules (PC2-6400, 800-MHz, DDR2)
4-GB 492572-001
2-GB 492571-001
1-GB 492570-001
Before removing the primary 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 46).
5. Release the switch cover and keyboard (see
Switch cover and keyboard on page 62).
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.
NOTE: The memory module is designed with a notch (3) to prevent incorrect insertion into the
memory module slot.
Reverse this procedure to install the memory module.
Component replacement procedures 73