Upgrading a memory module in 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 all batteries from the computer.
7.Remove the 3 keyboard access screws.
8.Turn the computer over and open it.
104 Chapter 9 Memory modules