Sony VGN-A417M User Manual page 73

5 Align the bottom connector of the computer with the connector on the port replicator and push down until it clicks into place.
!
When the A/V port replicator is attached to your computer, you cannot access the DC In port, the monitor (VGA) port, the third USB port from the front, and
the network (Ethernet) connector on the computer.
Use the AC adapter that comes with your computer or the optional Sony adapter.
!
Do not move your computer while attached to the port replicator; this may detach the port replicator and cause damage to the port replicator and the
computer.
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73
Using Peripheral Devices