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4–16 Maintenance and Service Guide
Removal and replacement procedures
Memory module
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 4-8).
5. Remove the SIM (see “SIM” on page 4-9).
6. Remove the hard drive cover (see “Hard drive” on page 4-10).
Remove the memory module:
✎
The top memory module slot is for extension memory and the bottom slot is for primary memory.
1. Spread the retaining tabs 1 on each side of the memory module 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.
✎
Memory modules are designed with a notch 3 to prevent incorrect insertion into the memory module slots.
Reverse this procedure to install a memory module.
Description Spare part number
4096-MB (PC2-6400, 800-MHz, DDR2) 501489-001
2048-MB (PC2-6400, 800-MHz, DDR2) 501488-001
1024-MB (PC2-6400, 800-MHz, DDR2) 501487-001