| In Windows Vista |
| 1) Go to the Start menu. |
| 2) Type cmd where it says Start Search in the lower left and press Enter |
| 3) Type ipconfig /all in the black window that appears. |
| 3) Look for Ethernet adapter Local Area Connection, then Physical Address in the text that is returned. |
| |
| In Windows NT/2000/XP |
| 1) Go to the Start menu, choose run. |
| 2) Type in command and press ok. |
| 3) A DOS window will open up. At the DOS prompt, type "ipconfig /all" and press enter. |
| 4) Look under the Ethernet adapter information for the physical address. This is the ethernet address. It will begin with a zero and have 12 characters separated by dashes. |
| |
| On a Mac OS 10.2 |
| 1) Open the System Preferences and choose Network. |
| 2) Choose "Built-in Ethernet" from the "Show" drop down menu. You will find the Ethernet address in the TCP/IP tab. |
| |
| On a Mac OS 10.3 + |
| 1) Open System Preferences |
| 2) Open Network |
| 3) Double-click the built-in ethernet entry to see the settings. |
| 4) Click on the Ethernet tab. |
| 5) You should see the ethernet address there. It will be 12 characters consisting of the numbers 0-9 and the letters a-f |