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Running the NIC Diagnostics Tests 57
If a LNK LED indicates a problem, check the following:
1 Ensure that your network hub or switch and the cable
connecting to your NIC comply with the specifications
appropriate for your network connection.
2 Ensure that the hub or switch is powered on.
Running the NIC Diagnostics Tests
The 3Com NIC Diagnostics program for Windows contains
tests that can check the status of the following items:
■ Network
■ NIC
■ Remote Wake-Up
To run NIC diagnostic tests on a PC running DOS,
Windows NT 3.51, Windows 3.x, or Windows for
Workgroups, use the 3Com Configuration and
Diagnostics program for DOS. See the DOSDIAG.TXT
file located in the HELP directory on EtherDisk diskette 3
for instructions.
To run the NIC Test, Network Test, or Remote Wake-Up Test
on a Windows 95/98 or Windows NT 4.0 PC:
1 Make sure that the NIC is installed and is connected
to the network and that the driver is installed.
2 Start the 3Com NIC Diagnostics program.
a Open the Windows Start menu.
b Select Programs, and then 3Com NIC Utilities.
c Click 3Com NIC Doctor.
The 3Com NIC Diagnostics General screen appears.
Click Help to obtain general information about the function
of a screen. To obtain specific information about any topic
on a screen, click the question mark (?) in the upper right
corner of the screen, move it over a topic, and click once.
3 Click the Diagnostics tab.
The Diagnostics screen (Figure 11) appears.
book Page 57 Monday, March 15, 1999 1:31 PM