Lenovo C315 All-In-One - Manual (Page 44)

Chapter 7. Replacing hardware
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the memory module 1 and gently pull the memory module upward
to remove it from its socket 2 . Both memory modules can be removed
by using the same procedure.
1
1
2
7. Align then insert the new memory module into the socket 1 and
push down on the top edge of the memory module 2 . Make sure the
latches lock the memory module in place.