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7 Troubleshooting the NIC
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Troubleshooting Problems with the LEDs
If a Link LED indicates a problem, check the following to ensure:
1 Your network hub or switch and the cable connecting to your NIC comply with the
specifications appropriate for your network connection.
2 The hub or switch is powered on.
Accessing 3Com Support Databases
In addition to the 3Com support databases listed in this section, check the README.TXT
files in the ENGLISH, INSTALLS, and NWSERVER subdirectories and check the Help text
files located in the HELP directory on the EtherCD.
Accessing the 3Com Knowledgebase
To access a database of technical information that can help you diagnose and solve NIC
installation, configuration, and upgrade problems, go to:
http://knowledgebase.3com.com
Accessing the 3Com NIC Help System
To access the 3Com NIC Help system:
1 Make sure the NIC, its driver, and the 3Com NIC Diagnostics program are installed.
See “Installing the 3Com NIC Diagnostics Program” on page 26 for instructions.
2 Open the Windows Start menu.
3 Select Programs, and then 3Com NIC Utilities.
4 Select 3Com NIC Doctor Help.
The main Help screen appears.
5 Click Help Topics to display a list of Help topics or click Find to search for a Help topic.
Accessing Release Notes and Frequently Asked Questions
To access release notes and frequently asked questions about the NIC:
1 Make sure the NIC, its driver, and the 3Com NIC Diagnostics program are installed.
See “Installing the 3Com NIC Diagnostics Program” on page 26 for instructions.
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 Support tab.
The Support screen appears.
6 Click Support Databases to display customer support databases about the NIC in three
categories:
Release notes — Display tips about installing and using the NIC.
Frequently asked questions — Display common questions asked by customers and
answered by 3Com support experts.
Knowledgebase topics — Display NIC compatibility topics.