Évaluations - 2, GPA: 4.5 ( )

Fabricant : 3Com Taille : 2.03 mb Nom Fichier : Langue d'enseignement:

Download the Download and install the latest NIC driver. Contact your PC latest NIC driver manufacturer for the latest driver. Accessing 3Com Support Databases In addition to the 3Com support databases listed in this section, check the README.TXT file located on EtherDisk diskette 3 for troubleshooting information. Accessing the 3Com Knowledgebase To access a database of technical information that can help you diagnose and solve 3C905C NIC installation, configuration, and upgrade problems, go to: Accessing the 3Com NIC Help System To access the 3Com NIC Help system: 1 Make sure that the NIC and its driver are installed. 2 Open the Windows Start menu. 3 Select Programs, and then 3Com NIC Utilities. 4 Select 3Com NIC Doctor Help. The main Help screen appears. 5 Click Help Topics to display a list of Help topics or click Find to search for a Help topic. 55 55 Accessing Release Notes and Frequently Asked Questions To access release notes and frequently asked questions about the 3C905C NIC: 1 Make sure that the NIC and its driver are installed. 2 Start the 3Com NIC Diagnostics and Configuration program. a Open the Windows Start menu. b Select Programs, and then 3Com NIC Utilities. c Click 3Com NIC Doctor. The 3Com NIC Diagnostics General screen appears. 3 Click the Support tab. The Support screen (Figure 10) appears. Figure 10 Support Screen CHAPTER 6: TROUBLESHOOTING AND DIAGNOSTICS CHAPTER 6: TROUBLESHOOTING AND DIAGNOSTICS 4 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. Interpreting the LEDs The 3C905C NIC has three light-emitting diodes (LEDs), as described in Table 9, that can assist with network troubleshooting. (See Chapter 1 for a picture of the LEDs). Table 9 LED Interpretations LED State Meaning 10 LNK If drivers are installed, the 10BASE-T connection is active. (link) On If drivers are not installed, the NIC is receiving power. Something is preventing the connection between the NIC Off and the hub or switch. The cable polarity is reversed. Try a different network cable Blinking or contact your system administrator. If drivers are installed, the 100BASE-TX connection 100 LNK is active. (link) On If drivers are not installed, the NIC is receiving power. Something is preventing the connection between the NIC Off and the hub or switch. ACT Network traffic is present. (activity) Blinking Steady Heavy network traffic is present. Off No network traffic is present. 57 57 If a LNK LED indicates a problem, check the following: 1 Ensure that your network hub or switch and the cable connecting to your NIC comply with the specifications appropriate for your network connection. 2 Ensure that the hub or switch is powered on. Running the NIC Diagnostics Tests The 3Com NIC Diagnostics program for Windows contains tests that can check the status of the following items: ¦ Network ¦ NIC ¦ Remote Wake-Up To run NIC diagnostic tests on a PC running DOS, Windows NT 3.51, Windows 3.x, or Windows for Workgroups, use the 3Com Configuration and Diagnostics program for DOS. See the DOSDIAG.TXT file located in the HELP directory on EtherDisk diskette 3 for instructions. To run the NIC Test, Network Test, or Remote Wake-Up Test on a Windows 95/98 or Windows NT 4.0 PC: 1 Make sure that the NIC is installed and is connected to the network and that the driver is installed. 2 Start the 3Com NIC Diagnostics program. a Open the Windows Start menu. b Select Programs, and then 3Com NIC Utilities. c Click 3Com NIC Doctor. The 3Com NIC Diagnostics General screen appears. Click Help to obtain general information about the function of a screen. To obtain specific information about any topic on a screen, click the question mark (?) in the upper right corner of the screen, move it over a topic, and click once. 3 Click the Diagnostics tab. The Diagnostics screen (Figure 11) appears. Figure 11 Diagnostics Screen If the Run Remote Wake-Up Test button appears dimmed, the NIC that is installed in the PC does not support Remote Wake-Up. To Run the Network Test Run the Network Test to check the NIC connectivity to the network. 1 Click Run Network Test on the Diagnostics screen. The Network Connectivity Test screen appears. 2 Click Start. If the test fails: ¦ Make sure that the NIC is properly connected to the network cable. ¦ Make sure that the hub or switch to which the NIC is connected is powered on. ¦ Make sure that the cable complies with the proper length and specifications for your network. If the test passes, the NIC connection to the network is functioning correctly. 3 Click Close. Running the NIC Diagnostics Tests 59 Running the NIC Diagnostics Tests 59 To Run the NIC Test Run the NIC Test to check the physical components, conne...

Téléchargez votre

Pour télécharger, entrez 2 chiffres :