Reveal Hidden Network Adapter

If you do not see your network adapter in your Network Connections, try the following in this post to reveal the hidden network adapter. Verify the Hidden Network Adapter is Already Installed Go to Device Manager (Right click Computer > Manage). Show hidden drivers...

Check Mac Ethernet Hardware Address

Here's how to check the Mac ethernet hardware address (MAC address): Open System Preferences from Apple menu Select Network from View menu Select Ethernet from the list of adapters (WiFi for OS 10.7 Lion) Connection types include WiFi, Airport, Ethernet, and Built-in...

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