Sony VAIO PCG-V505CP Hardware Manual page 56

Connecting peripheral devices
Attaching your computer to the port replicator
To attach your computer to the port replicator, proceed as follows:
1 Disconnect all peripherals from the computer.
2 Plug the cable attached to the AC adapter (1) into the DC In port (2) on the port replicator (3).
3 Plug the power cord (4) into the AC adapter and an AC outlet.
4 Open the port replicator cover.
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