Carnegie Mellon University

Locate Hardware Address

If you followed all of the troubleshooting steps and require Help Center assistance, locate your hardware address and complete the Report a Problem form. Providing this information on the form will speed your resolution time.

Windows
  1. Select Run.
  2. Type cmd into the Search box. Press Enter.
  3. Type getmac/v at the prompt. Press Enter.
  4. Your computer's Ethernet and wireless addresses are listed as the Physical Addresses.
    • Wired - Ethernet Adapter Local Area Connection
    • Wireless - Ethernet Adapter Wireless Network Connection
  5. Note these and then type exit.
Mac
  1. Select Apple menu > System Preferences.
  2. Select View > Network.
  3. Select your Ethernet connection and click Advanced. 
  4. Click Hardware. 
  5. Note the string next to MAC address.