# Personal Computer VAIO Duo 13SVD1322

## How can I find the physical address (MAC address) of the built-in wireless network interface of my VAIO computer?

- If MAC address filtering of your access point is enabled, register the MAC address of your VAIO computer in the setup screen of the access point. Otherwise, the computer cannot connect to the access point.

  Open Command Prompt, enter "ipconfig /all", and then press the Enter key. You can find the physical address (MAC address) in the Physical Address field under Wireless LAN adapter Wi-Fi.

  To open Command Prompt, see Starting Apps.

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