Article ID : S500006888 / Last Modified : 11/04/2018

What to do when the network cannot be connected?

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Logon to the LAN network cannot be done.

Please check both the hardware and software environment.

Step A: Checking the hardware environment:
1. Name of the network adapter (expansion board, PC card, or docking station) used
2. Interface (100Base-T, 10Base-T, 10Base-5, 10Base-2 and so on) used
3. Whether a hub, cable (straight or cross), T connector, terminator is used
4. Whether the cable is securely connected
5. If a hub is used, whether the lamp of the hub is lighted
If the lamp is not lighted, it is possible that some hardware may not be connected.

Step B: Checking the software environment:
1. Double-click the Network Neighborhood icon on the desktop.
Make sure that other computers are located.
2. Whether the network adapter is recognized correctly
In Control Panel/b>, double-click the System icon. On the Device Manager tab, make sure that the ! symbol is not present in the Network adapters section.
3. The network Operating System, protocol and other settings
4. In Control Panel/b>, on the Configuration tab of the Network screen, make sure that the required components are listed in the The following network components are installed: list.

Steps 5 and 6 below are needed only when NetBEUI (Microsoft Network) is used.
These steps are not required TCP/IP or IPX/SPX is used.

5. In Control Panel/b>, on the Configuration tab of the Network screen, make sure that Primary Network Logon is not set to Windows Logon.
6. On the Identification tab, make sure that Computer name and Workgroup are set correctly.