Samsung NP300E5E User Manual page 90

Upgrading Memory
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.
Memory module latches
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.
Chapter 4.
89
Settings and Upgrade