Step 5: Verify that the TCP/IP Protocol Is Installed
Now that you have successfully installed the Ethernet card, you must now make
sure that the TCP/IP protocol is installed. The TCP/IP protocol is the
"language" that your computer and the network use to speak to each other. In
most cases, the TCP/IP protocol was installed automatically. The steps below
describe how to check that TCP/IP is in fact installed and, if necessary, how to add the
TCP/IP protocol.
**TCP/IP is always installed in Windows XP**
Windows 95/98/ME
- Click on Start
and go to Settings, then click on Control
Panel.
Figure 5
- In the Control Panel window, double-click on
Network icon.
If you see a protocol entry called TCP/IP, then you are finished
with this section. If TCP/IP is missing, continue to the section
titled "Step 6: Verifying your IP Address."
- Next, you will add the TCP/IP
protocol to your Network control panel.
Do this by clicking Add.
- Click on Protocols
and then click on Add.
Figure 6
- Click on Microsoft,
then click on TCP/IP, then click OK.
Figure 7
-
Please make sure that you have the following items in your
Network control panel:
- Ethernet Adapter
- TCP/IP or TCP/IP Ethernet Adapter
You may
have other items in addition to the ones listed. Leave
them alone. They may be related to your modem software.
Figure 8
- Now click OK.
If you are prompted for your original Windows 95/98/ME CD, insert
it (), or point Windows to the directory containing
your *.CAB files (usually located in c:\windows\options\cabs\).
- The computer will now ask you
to reboot your computer. Click on Yes.
Figure 9
Please proceed to the next section entitled "Verifying
your IP Address"
Step 6: Verifying Your IP Address
Windows 95/98/ME
- If you have not already done so, make sure
that one end of the Ethernet cable is connected to the back of your computer and
the other end is connected to the Data Jack on the wall in your room. Ethernet
cables can be picked up for no charge from the ResNet Office (one per student).
- Depending on whether you live in a double or
a single room, the jack should have 2 or 4 connectors. In a single, the 2 jacks are
labeled "Data" and "Voice." In a double, the 4 ports are labeled "Voice 1",
"Voice 2", "Data 1" and "Data 2." Voice Jacks do nothing. Data jacks are used
for your computer's network connection.
-
Once your computer is plugged into a jack that you think might be live,
go to Start -> Run and type "winipcfg" and this window will pop up. 
Figure 10
- Look at the arrow on the right in Figure 10
above. Make sure this field displays your Ethernet Adapter. If not, use the drop-down menu to select the Ethernet Adapter in your computer.
- Look at the arrow on the left in Figure 10.
Your computer should display an IP Address that starts with 147.4.x.x.
Congratulations! You have successfully connected your computer to the Hofstra
Network. Skip to Step 7: Accessing your E-mail.
- If your computer did not display 147.4.x.x
in the IP Address field, it probably displayed 0.0.0.0 or 169.x.x.x. If this is
the case, try this:
- Click the Release button. Click the Renew button.
- If that didn"t get 147.4.x.x to appear in
the IP Address field, try moving the Ethernet cable into Data 2. Again try
clicking the Release button and then the Renew button.
- If that didn"t get 147.4.x.x to appear in
the IP address field, try the Voice 1 jack.
- Again try clicking the Release button
and then the Renew button.
- Once you have exhausted all possibilities,
contact the ResNet Office to schedule an appointment for a technician to assist
you with troubleshooting your connection.
Windows XP/2000
- If you have not already done so, make
sure that one end of the Ethernet cable is connected to the back of your computer
and the other end is connected to the Data Jack on the wall in your room.
Ethernet cables can be picked up for no charge from the ResNet Office (one
per student).
- Depending on whether you live in a double
or a single, the jack should have 2 or 4 connectors. In a single, the 2 jacks
are labeled "Data" and "Voice." In a double, the 4 ports are labeled "Voice
1", "Voice 2", "Data 1" and "Data 2." Voice Jacks do nothing. Data jacks
are used for your computer's network connection.
-
Once your computer is plugged into a
Data jack, 
- go to Start -> Run and type "cmd" and this window will pop up.
- At the C:\>, type "ipconfig /release" as seen above. Your IP Address should now be 0.0.0.0.
- To renew your IP address, type "ipconfig /renew" as seen above. Your IP Address should
display 147.4.x.x.
- If it displays
0.0.0.0 or 169.x.x.x or an error message, try a different data port
and try step 6 again.
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