12. Tighten the memory/wireless module compartment cover screws (3).
13. Replace the battery.
14. Turn the computer right-side up, and then reconnect external power and external devices.
15. Turn on the computer.
Upgrading a memory module in the primary memory module slot
The primary memory module slot is stacked below the expansionary 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, and then remove the battery.
6. Loosen the memory/wireless module compartment cover screws (1).
78 Chapter 9 Memory modules
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