14.Replace the battery.
15.Turn the computer
16.Turn on the computer.
Upgrading a memory module in the primary memory module slot
The expansion memory module slot is stacked above the primary memory module slot. To upgrade a memory module in the primary memory module slot, follow these steps:
1.Save your work.
2.Shut down the computer.
If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the power button. Then shut down the computer through the operating system.
3.Disconnect all external devices connected to the computer.
4.Unplug the power cord from the AC outlet.
5.Turn the computer upside down on a flat surface.
6.Remove the battery from the computer.
7.Loosen the 3 memory module compartment cover screws (1).
8.Lift the memory module compartment cover (2) away from the computer.
NOTE: If a memory module is installed in the expansion memory module slot, first remove the expansion memory module.
94 Chapter 9 Memory modules