Lenovo K23 Notebook - Manual (Page 71)

Chapter 6. Upgrading and replacing devices
57
6
Press outwards on the latches on both edges of the socket at the same
time, remove the SO-DIMM. Be sure to save the old SO-DIMM for
future use.
7
Insert the notched end of the DIMM into the socket.
Press the DIMM firmly, and pivot it until it snaps into place. Make sure
that it is firmly fixed in the slot and does not move easily.
8
Reinstall the Memory compartment cover.
9
Reinstall the battery.
0
Turn the computer over, and reconnect the AC adapter and the cables
to the computer.
a a
b
a a
b