Sony PCG-C1X - Manual (Page 3)

To install a memory module 3
4
If the compartment contains a memory module, remove it. Lift the
memory module by its edges to remove it from the computer.
5
Unpack the new memory module. Discharge static electricity by
touching a grounded metal object. Remove the new memory module
from its package.
6
Install the memory module by matching the connector on the
memory module unit to the connector on the computer.
Lift by the edges
Align the module
Memory module
with the white
guideline