User Manual

54 CHAPTER 7: RUNNING NIC DIAGNOSTICS IN WINDOWS
Running the Network
Test
Run the Network Test to check the NIC connectivity to the network.
1 On the Diagnostics screen, click Run Network Test.
The Network Connectivity Test screen appears.
2 Click Start.
If the test passes, the NIC connection to the network is functioning correctly.
If the test fails:
Make sure that the NIC is properly connected to the network cable.
Make sure that the hub or switch to which the NIC is connected is powered on.
Make sure that the cable complies with the proper length and rating specifications
for the network.
3 Click Close.
Viewing Network
Statistics
To view statistical information about the network:
1 Make sure that the NIC, the network driver, and the 3Com NIC Diagnostics
program are installed.
2 Open the Windows Start menu.
3 Select Programs, and then 3Com NIC Utilities.
4 Click 3Com NIC Doctor.
The 3Com NIC Diagnostics General screen appears.
5 Click the Statistics tab.
The Statistics screen appears.
The information is updated by the NIC driver every 5 seconds.
For a description of each statistic, click the question mark (?) in the upper right
corner of the screen, drag it over a statistic and click once. A pop-up box appears,
displaying information about the statistic.
6 Click OK to exit the diagnostics program. To go to another diagnostics screen, click
the associated tab.
Using the 3Com Icon
in the Windows
System Tray
The 3Com icon, which can be enabled to appear in the Windows system tray,
allows you to start the 3Com NIC Diagnostics program. It also allows you to
view the link speed of the NIC and number of frames sent and received.
Enabling the Icon To show the 3Com icon in the Windows system tray:
1 Make sure that the NIC, the network driver, and the 3Com NIC Diagnostics
program are installed.
2 Open the Windows Start menu.
3 Select Programs, and then 3Com NIC Utilities.