# User Guide

# Personal Computer VAIO Fit 14E/15ESVF1421/SVF1521

## Wi-Fi

- How can I find the physical address (MAC address) of the built-in wireless network interface of my VAIO computer?
- What should I do if I cannot play back movies or audio tracks received via Wi-Fi(R) (Wireless LAN), or their playback is interrupted? Why is the data transfer speed slow?
- What should I do if I cannot use the Wi-Fi(R) (Wireless LAN) function?
- What should I do if I do not know the SSID or security key for the access point?
- What should I do if I cannot connect my VAIO computer to an access point (or the Internet)?

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### You might be looking for the following topics:

- Notes on Using the Wi-Fi(R) (Wireless LAN) Function
- Disabling the Wi-Fi(R) (Wireless LAN) Function
- About the Wi-Fi(R) (Wireless LAN) Standards
- Stopping Wi-Fi(R) (Wireless LAN) Communications
- About the Internet Connection Services
- About a Security Key for Wi-Fi(R) (Wireless LAN)
- Starting Wi-Fi(R) (Wireless LAN) Communications

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