6 TROUBLESHOOTING ANDDIAGNOSTICSThis chapter explains how to solve problems that mayoccur when you install and use the 3C905C NIC. It alsoexplains how to run NIC diagnostic tests, view networkstatistics, interpret the LEDs, and remove the NIC software.To access a database of technical information that can helpyou diagnose and solve NIC installation, configuration, andupgrade problems, go to:http://knowledgebase.3com.comTroubleshooting the InstallationIf you experience problems installing the NIC, or ifthe installation failed as described in “Verifying SuccessfulInstallation” in Chapter 3, use the troubleshooting tipsin Table 8 to help resolve the problem.CAUTION: Before inserting or removing the NIC fromthe PC, turn the PC power off and unplug the power cord.Table 8 Installation Troubleshooting TipsTip DescriptionCheck the NICinstallationn Make sure that you have run the preinstallation program, asdescribed in Chapter 2. This program must be run beforeinstalling the NIC in the PC.n Make sure that the NIC is installed correctly in a PCI slot.Check for specific hardware problems, such as broken tracesor loose or broken solder connections.Check thenetworkconnectionn Inspect all cables and connections. Make sure that thecable complies with its proper length and specifications,as described in Chapter 2 or Appendix A.Check yourPC BIOSn Make sure that you are running the latest BIOS for yourPC. If your BIOS has not been upgraded in the previous12 months, contact your PC manufacturer to obtain thecurrent version of your BIOS software.(continued)
