Sony PCV-RX460 - Manual (Page 50)

VAIO® System Reference Manual 36
10 Replace the power supply (see “Replacing the Power Supply” on
page 46).
11
Replace the side cover (see “Replacing the Side Cover” on page 25).
12
Reconnect the power cord and turn on the computer.
Your computer automatically recognizes the extra memory and will
configure itself accordingly when you turn on the computer. No further
action is required.