System information

Memory module
Description Spare part number
4096-MB (DDR3, PC3, 1066-MHz) 599092-001
2048-MB (DDR3, PC3, 1066-MHz) 598856-001
1024-MB (DDR3, PC3, 1066-MHz) 598859-001
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 cord.
4. Remove the battery (see
Battery on page 39).
Remove the memory module:
1. Position the computer with the front toward you.
2. Loosen the two Phillips PM2.0×5.0 captive screws that secure the memory module compartment
cover to the computer.
ENWW Component replacement procedures 47