• This is your MAC Address.Note for laptop users: If you do not have 'Ethernet Adapter Local Area Connection', please look under 'Ethernet adapter Wireless Network Connection.' However, if you use the Physical Address under the Wireless Network Connection and turn off or disable your wireless card or device, the product may not function until.
• A media access control address (MAC address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use is common in most IEEE 802 networking technologies, including Ethernet, Wi-Fi, and Bluetooth.Within the Open Systems Interconnection (OSI) network model, MAC addresses are used in the medium access.
• Service and support from Apple experts. AppleCare products provide additional hardware service options and expert technical support from Apple. Learn about AppleCare plans. Beware of counterfeit parts. Some counterfeit and third party power adapters and batteries may not be designed properly and could result in safety issues.

Configuring your Mac's network settings. Today's Best Tech Deals. Picked by Macworld's Editors. The Network Diagnostics application can help you pinpoint the blame for your network problems.

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