Replacing The Memory Module - ThinkPad L480 User Manual

6. Install a new wireless-WAN card by doing the following:
a. Align the contact edge of the new wireless-WAN card with the key in the slot. Then carefully insert
the card into the slot at an angle of about 20 degrees
b. Install the screw to secure the wireless-WAN card in place
card 4 . Ensure that you connect the orange cable to the main connector on the card, and the blue
cable to the auxiliary connector on the card.
7. Reinstall the base cover assembly.
8. 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:
• 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 the memory module, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 100.
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 102.
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L480 and L580 User Guide
1 . Pivot the card downward
3 . Connect the antenna cables to the
2 .