Samsung NP-RC418H User Manual page 74

3
Push the memory module down so that
it is completely fixed. If the memory
does not fit easily, push the memory
module down while pulling the memory
module latches outward.
4
Close the memory compartment cover
and fasten the screw.
Removing a memory module
Pull the memory module latches
outward.
The memory module will pop up.
Remove the memory module out at
an angle of 30 degrees.