Click on the Apple menu on the top-left corner of the screen and select
System Preferences.

Click on the Network icon located on the Internet
& Network section.

When the Network Preferences window
opens, click the pop-up
menu next to Show: and select Built-in
Ethernet.
Click on the TCP/IP tab.
Click on the pop-up menu next to Configure IPv4: and select
Using DHCP.
Note: If Using DHCP is
not available, click on the PPPoE tab and uncheck
Connect using PPPoE. Now return to the TCP/IP
tab.
In the DNS Servers: box, type 128.8.74.2
and 128.8.76.2.
In the Search Domains: box, type umd.edu.
Click on the Apply Now button and you will be
connected to your dorm ethernet.
