
Memory module
NOTE:
Primary and expansion memory is installed in a stacked configuration in the bottom of the
computer. Primary memory is installed in the bottom slot.
Description
Spare part number
4 GB (PC3L, 12800, 1600 MHz)
691740-001
Update BIOS before adding memory modules
Before adding new memory, make sure you update the computer to the latest BIOS.
CAUTION:
Failure to update the computer to the latest BIOS prior to installing new memory may
result in various system problems.
For steps on updating BIOS, see
Updating the BIOS on page 83
.
Before removing a memory module, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery on page 32
).
5.
Remove the service door (see
Service door on page 33
).
Remove the memory module:
1.
Turn the computer upside down on a flat surface, with the battery bay toward you.
2.
Locate the memory modules
(1)
.
42
Chapter 5 Removal and replacement procedures for Customer Self-Repair parts