Installing Or Replacing The M.2 Wireless Lan Card - Lenovo ThinkPad L540 User Manual

5. Place the notched end of the new memory module toward the contact edge side of the memory slot,
and insert the memory module
module downward until it snaps into place
the slot and cannot be moved easily.
Attention:
• Do not touch the contact edge of the memory module. Otherwise the memory module might be
damaged.
• If you install only one memory module, ensure that you install it into the bottom slot, which is the
primary slot.
6. Install the base cover assembly
7. Install the battery pack. See "Replacing the battery pack" on page 67.
8. Turn over the computer and connect the ac power adapter and all cables.

Installing or replacing the M.2 wireless LAN card

Before you start, print these instructions.
DANGER
During electrical storms, do not connect the cable to or disconnect it from the telephone outlet
on the wall.
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User Guide
1 into the slot at an angle of about 20 degrees. Pivot the memory
2
. Ensure that the memory module is firmly installed in
1
and tighten the screws
2
.