Replacing The Memory Module - Lenovo 20J8 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. Pivot the wireless-WAN card downward
c. Install the screw to secure the wireless-WAN card in place
d. Connect the cables to the wireless-WAN card
connector and the blue cable to the auxiliary connector on the card.
7. Reinstall the bottom cover.
8. Reinstall the removable battery.
9. 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.
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L570 User Guide
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. Ensure that you attach the red cable to the main