Lenovo ThinkPad E480, User Manual, Page: 103 / 140

5. Install the new base cover assembly 1 and ensure that the latches of the base cover assembly are
secured in place 2 . Then tighten the screws 3 .
6. Turn the computer over. Connect the ac power adapter and all cables to the computer.
Replacing the memory module
Before you start, read “Important safety information” on page v and print the following instructions.
Increasing memory capacity is an effective way to make programs run faster. You can increase memory
capacity by replacing or adding a memory module.
Note: The operating speed of the memory module has dependency on the system configuration. In some
conditions, the memory module in your computer might not be able to operate at the maximum speed.
Attention: Do not touch the contact edge of the memory module. Otherwise the memory module might get
damaged.
To replace the memory module, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 76.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn the computer over.
4. Remove the base cover assembly. See “Replacing the base cover assembly” on page 83.
Chapter 9
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Replacing devices
85