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Resumen del manual
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 that the NIC, its driver, and the 3Com NIC Diagnostic program are installed. See “Installing the 3Com NIC Diagnostics Program” 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. Troubleshooting the NIC Installation 67 Troubleshooting the NIC Installation 67 Troubleshooting the NIC Installation If you encounter any of the following problems or error messages, follow the steps under “Cleaning Up a Failed Installation” to resolve the problem. Problems/Error Messages ¦ A red X or a A yellow exclamation point (!) appears next to 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 an 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. You can reinstall the 3Com NIC Diagnostics program after completing this procedure. See “Installing the 3Com NIC Diagnostics Program” in Chapter 3 for instructions. 1 Insert the EtherCD in the CD-ROM drive. The EtherCD Welcome screen appears. 2 Click Drivers, and then click Utilities. 3 Click Clean Up Failed Installation. 4 Click Proceed. A warning message appears. CHAPTER 6: TROUBLESHOOTING THE NIC CHAPTER 6: TROUBLESHOOTING THE NIC 5 Click OK. A message appears stating that all of the EtherLink NICs have been removed from your system. 6 Click OK. 7 Exit the EtherCD, and then exit Windows. 8 Reboot the PC. 9 Install the network driver, as described in “Installing the Network Driver Using the EtherCD” in Chapter 3. If you are prompted for 3Com files when Windows restarts, open the drop-down box and select the following path: \options\cabs To verify successful installation, see “Verifying Successful Installation” in Chapter 3. Troubleshooting the Network Connection If you encounter problems with using the NIC or connecting to the network, check the table below for troubleshooting tips. CAUTION: Before inserting or removing the NIC from the PC, turn the PC power off and unplug the power cord. Tip Description Check the NIC installation Make sure that you have run the preinstallation program, as described in Chapter 2. This program must be run before installing the NIC in the PC. Make sure that the NIC is installed correctly in a PCI slot. Check for specific hardware problems, such as broken traces or loose or broken solder connections. Check the Inspect all cables and connections. Make sure that the network cable complies with its proper length and specifications, connection as described in Chapter 2. Check your Make sure that you are running the latest BIOS for your PC BIOS PC. If your BIOS has not been upgraded in the previous 12 months, contact your PC manufacturer to obtain the current version of your BIOS software. (continued) Troubleshooting Remote Wake-Up 69 Troubleshooting Remote Wake-Up 69 Tip Description Run the NIC diagnostic tests ¦ Run the NIC and Network Tests, as described in “Running the NIC Diagnostics Tests” in Chapter 7. If the tests fail, replace the NIC with a known working NIC and run the tests again, using the same configuration settings as those used on the failed NIC. If the working NIC passes all tests, the original NIC is probably defective. For information on product repair, see Appendix D. Check the 3Com support databases Review the known problems and solutions found in the following areas: ¦ 3Com Knowledgebase ¦ 3Com NIC Help system ¦ Release Notes and Frequently Asked Questions See “Accessing 3Com Support Databases” earlier in this chapter for instructions on using these databases. Download the Download and install the latest NIC driver from: latest NIC driver Run the Clean Up The Clean Up Failed Instal...
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