- Go to System Preferences and click on Network:
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- On the left hand side of the screen select Ethernet and click the Advanced button in the bottom right:
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- Click the Hardware tab on the right and the MAC address should be listed just below:
 Image Removed- Press cmd and the space bar on your keyboard to open spotlight search and type terminal:
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- In the window that appears type hostname and press Enter:
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- This will provide the name of the computer on the next line.
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