5
TROUBLESHOOTING
This chapter explains how to isolate and solve NIC
problems, including the following sections:
■ Checking the NIC
■ Troubleshooting with the Diagnostic Tests
■ Getting Help If a Test Fails
■ Resolving Hardware Resource Conflicts with
Windows 95 and Windows NT
■ Changing the I/O, IRQ, or Memory Range
■ Removing the 3C509B NIC Software
■ Crossover Cable Troubleshooting Tips
■ Troubleshooting Tips
■ Frequently Asked Questions
Checking the NIC
If you experience problems with the NIC, try these tips:
■ Check the NIC LED as described in “Link LED” in
Chapter 2.
■ Check the connectors. Examine the cable for obvious
signs of damage, wear, or crimping.
■ Check whether the NIC is installed correctly. Refer to
Chapter 2, “Installing the 3C509B NIC.”
■ Make sure the drivers installed are correct for the
network operating system you are running (refer to
Chapter 3, “Installing the Network Drivers”).
If any problem persists, try the procedures outlined below
or refer to Appendix B, “Technical Support.”
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