Installing Or Replacing The M.2 Wireless-Wan Card - Lenovo ThinkPad L440 User Manual

9. Install the battery pack. See "Replacing the battery pack" on page 121.
10. Turn over the computer and connect the ac power adapter and all cables.

Installing or replacing the M.2 wireless-WAN card

Before you start, print these instructions.
DANGER
Electric current from power, telephone, and communication cables is hazardous. To avoid shock
hazard, disconnect the cables before opening the cover of this slot.
Attention: Before handling a card, touch a metal table or a grounded metal object. This action reduces any
static electricity from your body. Static electricity could damage the card.
To install or replace the M.2 wireless-WAN card, do the following:
1. Turn off the computer, then disconnect the ac power adapter and all cables from the computer.
2. Remove the battery pack. See "Replacing the battery pack" on page 121.
3. Loosen the screws
the direction shown by the arrow
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User Guide
1 that secure the base cover assembly. Then remove the base cover assembly in
2 .