Lenovo ThinkPad 470 User Manual page 129

Attention:
• Before you start the replacement, touch a grounded metal object. This action reduces any static electricity
from your body. Static electricity might damage the memory module.
• Do not touch the contact edge of the memory module. Otherwise the memory module might get damaged.
To replace a memory module, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 107.
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 removable battery. See "Replacing the removable battery" on page 108.
5. Remove the base cover assembly. See "Replacing the base cover assembly" on page 110.
6. To remove the memory module, do the following:
a. Open the film to access the memory module
b. Open the latches on both sides of the memory slot at the same time
c. Remove the memory module
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Chapter 9 Replacing devices
113