Troubleshooting the NIC Installation
39
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.
Troubleshooting the NIC Installation
If you encounter any of the following problems or error messages, follow the steps in
“Cleaning Up a Failed Installation” below to resolve the problem.
■ A red X or a yellow exclamation point (!) appears by the name of the NIC in the
Windows Device Manager.
■ The Network Neighborhood icon does not appear on the Windows desktop.
■ The NIC does not appear in the Network Configuration or Properties window.
■ Error: “This device is not present, not working properly, or does not have all of the
driver installed. Code 22.”
■ Error: “Windows was unable to locate a driver for this device.”
■ Error: “You have selected a plug and play adapter. Please turn off your machine and
install the adapter. Then turn on your machine and reinstall.”
Cleaning Up a Failed Installation
If the network driver installation failed, follow the steps below to clean up your system
and install the NIC correctly. This procedure:
■ Removes all 3C90x NICs from your system.
■ Removes the 3Com NIC Diagnostics program.
■ Installs the latest network driver only.
You can reinstall the 3Com NIC Diagnostics program after completing this procedure. See
“Installing the 3Com NIC Diagnostics Program” on page 23 for instructions.
1 Insert the EtherCD in the CD-ROM drive.
The EtherCD Welcome screen appears.
2 Click NIC Software.
3 Click NIC Drivers and Diagnostics.
4 Click Installation Utilities.
5 Click Undo Broken Installation and Uninstall.
6 Click Proceed.
A message appears stating that all of the 3Com NICs will be removed from your system.
7 Click OK.
A message appears stating that the NIC has been removed.
8 Click OK.
9 Exit the EtherCD, and then exit Windows.
10 Reboot the PC.
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