Lenovo ThinkPad X121e User Manual page 98

7. With the notched end of the memory module toward the contact edge side of the socket, insert the
memory module 1
8. Pivot the memory module downward until it snaps into place.
9. Make sure that the memory module is firmly fixed in the slot and cannot be moved easily.
10. Put the cover back in place
11. Reinstall the battery. For information about how to reinstall the battery, refer to "Replacing the battery"
on page 75.
12. Turn the computer over again and reconnect the cables.
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User Guide
into the socket at an angle of about 20 degrees; then press it in firmly
1 and close the cover 2 . Then tighten the screws
2 .
3 .