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What is an Ethernet Address of a network card and how to find it out?

To register your network card, please check the Ethernet Address of your network card by following the steps below:

For Windows 10:

  1. Right Click Windows Start Windows start to open the menu. 
  2. From the menu, click “Run”, type cmd and click OK.
  3. In the command window, type ipconfig /all and press Enter.
  4. Under the Ethernet adapter Ethernet section, look for Physical Address (this is the Ethernet Address of your network card for making connection using a UTP LAN cable).  The Ethernet Address consists of 12 characters without hyphens,
  5. To register your network card, login HKU Portal > type "ethernet" in the Search field > click Register Network Cards. (Note: The update will take 10 minutes to become effective. Each staff/student can register up to 5 network cards.)
  6. To obtain a new IP address from the DHCP server, type ipconfig /release and ipconfig /renew.

For Windows 8:

  1. Click Windows Start Windows start to open the Start screen. 
  2. Under the Windows Start screen, type cmd and press Enter when you see the program 'Command Prompt'.
  3. In the command window, type ipconfig /all and press Enter.
  4. Under the Ethernet adapter Local Area Connection section, look for Physical Address (this is the Ethernet Address of your network card for making connection using a UTP LAN cable).  The Ethernet Address consists of 12 characters without hyphens. 
  5. To register your network card, login HKU Portal > type "ethernet" in the Search field > click Register Network Cards. (Note: The update will take 10 minutes to become effective. Each staff/student can register up to 5 network cards.) Note: the update would take 10 minutes to be effective. Each HKU member can register up to 5 network cards.
  6. To obtain a new IP address from the DHCP server, type ipconfig /release and ipconfig /renew.

For Macintosh (Mac OS X):

  1. Select System Preferences from the apple menu Apple menu at the top left of your screen.

    system preferences...

  2. Click Network from the System Preferences menu.

    network

  3. Choose Ethernet from the list of interfaces on the left and click Advanced button.

    Ethernet > Advanced

  4. Click the Hardware tab and you will see your MAC address.

    Mac address

  5. To register your network card, login HKU Portal > type "ethernet" in the Search field > click Register Network Cards. (Note: The update will take 10 minutes to become effective. Each staff/student can register up to 5 network cards.) 
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