For various reasons (including registering a system), the MAC address of a computer may need to be noted and the procedure to do so in many popular systems is relatively simple.
How to look up the local MAC address:
Microsoft Windows (ME, 2000, XP, 7 & 8)
- Open the Start Menu.
- Click on Run
- In Windows 7 & 8 enter cmd in the search field
- Type in cmd
- Click on OK
- From the command prompt, type in:
- ipconfig /all
- Press enter
- Note the Ethernet adapater Local Area Connection: header
- One may need to scroll up in the command prompt.
- Locate the Physical Address. . . . . . . . . field
- Note the six pairs of numbers / letters to the immediate right of this area.
- Ex. address: D4-BE-D9-8D-2D-61
Mac OS X
- Click on the Apple Menu / icon in the top left hand corner.
- Click on System Preferences from the drop down menu.
- Click on Network (located under the Internet & Wireless header).
- In the left hand pane, select the currently connected network.
- Ethernet denotes a wired connection & Wi-Fi denotes a wireless.
- A green dot will appear to the immediate left of whatever connection is active.
- If you are registering your MAC Address with the campus DHCP registration, be sure to use the ethernet/wired MAC address
- Ethernet denotes a wired connection & Wi-Fi denotes a wireless.
- Click on the Advanced button in the lower right hand corner of the pane.
- Click on the Hardware tab.
- Note the number to the immediate right of the MAC Address: field.
For additional assistance, contact CSS IT at 510-664-9000 and follow the prompts to reach a technician from between 8 am to 5 pm, Monday through Friday. A ticket may also be submitted through http://sharedservices.berkeley.edu/it/ or by e-mailing itcsshelp@berkeley.edu