Sony PCV-L400 - Manual (Page 38)

VAIO Computer Reference Manual 30
Removing a Memory Module
You may need to remove a memory module if you change the memory
configuration or replace a bad module.
1 Remove the system cover (see “Removing the System Cover” on
page 20).
2
Locate the memory module you wish to remove.
!
Before opening the system unit, save any open files, exit Windows, turn off
the power of the computer and all attached peripherals, and then unplug the
power cord.
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