7Troubleshooting the NIC
Troubleshooting Problems with the LEDs
If a Link LED indicates a problem, check the following to ensure:
1Your network hub or switch and the cable connecting to your NIC comply with the specifications appropriate for your network connection.
2The 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:
1Make 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.
2Open the Windows Start menu.
3Select Programs, and then 3Com NIC Utilities.
4Select 3Com NIC Doctor Help. The main Help screen appears.
5Click 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:
1Make 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.
2Open the Windows Start menu.
3Select Programs, and then 3Com NIC Utilities.
4Click 3Com NIC Doctor.
The 3Com NIC Diagnostics General screen appears.
5Click the Support tab.
The Support screen appears.
6Click 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.
56