Sony PCG-R505GL - Manual (Page 47)

Connecting Another VAIO Computer
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4 Follow the on-screen Network Setup Wizard instructions.
5 When you are prompted, type in a unique computer name for each computer.
You will use this unique name to differentiate the two computers once they
are networked together.
6 When you finish the Network Setup Wizard on-screen instructions, click
Start on the Windows® taskbar and click My Computer.
7 Click My Network Places in the Other Places menu. The My Network
Places window appears.
8 Click View workgroup computers in the Network Tasks menu. The
computers that are networked under the same workgroup name are displayed
in this window.
The Network Setup Wizard window
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The Workgroup name should remain the same for the two networked computers.