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Troubleshooting techniques

My cable modem connects to my Windows 2000 Professional desktop using a Linksys wireless adapter. How do I configure TCP/IP?

To install TCP/IP in Windows 2000:

  • Right-click My Network on the desktop and select Properties.
  • Right-click Local Area Connection for the installed NIC or USB cable modem on your PC.
  • In the Properties window, look for Internet Protocol (TCP/IP) in the installed components list. Ensure that it is checked so that it is bound with the network device shown above.
  • If TCP/IP is not listed, add it by clicking on the Install button.

Tip: After installing TCP/IP it is not necessary to reboot.

For more information on configuring TCP/IP in Windows 2000 check the following link: help.twspeed.com/pc/tcpip2000.asp

I have connected two PCs running Windows 2000 and Windows Me respectively using a crossover cable, Network configuration on both went off without any errors. While working on the Windows 2000 PC, I can see shared folders on the Windows Me box. But from the Windows Me system, I can not see the shared folders on the Windows 2000 PC. While attempting to solve the problem, I deleted the “Computers Near Me” icon in my Windows 2000 PC and seem to have lost NetBEUI and TCP/IP (plus some other protocols) that used to show up as available for the “Client for Microsoft Networks” configuration. How do I restore the protocol options on the Windows 2000 PC and solve these problems?

The first problem could be due to any combination of the following File and Printer sharing not being enabled on your Windows 2000 machine, the necessary network components not being present, files not being shared on your Windows 2000 computer.

Follow these steps to enable “File and Printer sharing”.

  • Right-click Network Neighborhood, select Properties.
  • Right-click LAN Connection and select Properties.
  • Check whether the Client for Microsoft Networks, File and Print Sharing and NetBEUI are installed. If not, click on Install to install these components.
  • Click on the File and Print sharing button.
  • Check both the options and click OK.

Also make sure that you have shared the files which you want to access from Windows ME. To share a drive:

  • Go to My Computer in Windows 2000 professional.
  • Right-click on C:. Select Sharing option.
  • Select Shared as, select Full under Access type. Click on Apply and OK.
  • Restart your computer.

You will also face this problem if you fail to logon to Windows Me when Windows starts up. If you do not logon to Windows then you may not be able to access network resources.

Also check whether you have selected the “Client for Microsoft Networks” from the “Primary network logon”. To do this:

  • Right-click on My Network Places and select Properties option.
  • Under the configuration tab, select Client for Microsoft Networks option from the Primary Network Logon list box.
  • Click on Apply and OK.

How do I share folders from my Windows 2000 PC on a LAN if other systems are running Windows 9x?

To do this, you need to enable the “Computer Near Me” icon.

  • Go to Start–Run.
  • Type regedit, click OK.
  • Go to the following key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
  • Create a new DWORD value, or modify the existing value called ‘NoComputersNearMe’ and set the value to ‘0’
  • Save and exit from Registry editor.

I cannot connect to certain websites such as fielity.com, hp.com and adobe.com. This had happened earlier. Since I was unable to find a solution, I reformatted the hard drive, reinstalled all programs and restored the backed up data which resolved the problem. However, now it is back. I have a DSL connection and using my notebook from the same location I can connect to these sites without any problem whatsoever. My system is a PIII running Windows Me, Internet Explorer and Norton SystemWorks with a DSL connection to the Internet.

Try this:

1. Click Start-Programs-MS-DOS Prompt. Type ping at the prompt, and then press ENTER. If you receive four replies, go to step 2. If you do not receive four replies, uninstall and then reinstall and configure the TCP/IP protocol.

To uninstall TCP/IP:

  • Click Start-Settings-Control Panel. Double click Network.
  • Click a component on the Configuration tab, click Properties and note the settings. Repeat this step until you have recorded the configuration information for all your components.
  • Remove all TCP/IP-related network components from Network properties. To do this, click a component on the Configuration tab, and then click Remove. Repeat this until all TCP/IP-related network components are deleted from network properties, click OK, and then click Yes when you are prompted to restart your computer (if you are not prompted to restart the computer, do so manually).

To reinstall TCP/IP:

  • Click Start-Settings-Control Panel, and then double-click Network.
  • On the Configuration tab, click Add-Protocol, and then Add.
  • In the Manufacturers box, select Microsoft, in the Network Protocols box, select TCP/IP, and then click OK.
  • Click OK and then Yes. You will be prompted to restart your computer (if you are not prompted to restart your computer, do so manually).

Note: You may receive “version conflict” error messages during this process. If you receive this error, click No when you are prompted to keep a newer version of each file.

Connect to your ISP. Then start Internet Explorer and go to www.microsoft.com using both the site name and the Internet Protocol (IP) address. If you can connect by using the IP address but not the fully qualified domain name (FQDN), check for entries in the Hosts file on the local computer.

To do this:

  • Click Start-Find-Files or Folders.
  • In the Named box, type hosts, and then click your hard disk.
  • If you find the Host file, open the file in Notepad to view its contents. If there are no entries beyond the one for the local host (for example, Local host), contact your ISP for possible problems with their DNS server.

What is the meaning of “Network Bridge” and what is the significance as to whether or not a network item is bridged or not in Windows XP?

Windows XP’s “Network Bridge” feature can combine two or more LANs (such as wired and wireless) into one logical network. Computers on one network can communicate with computers on all of the other networks, and also can share files, printers, and even an Internet connection.

To create a bridge between two or more network connections, do this:

  • Open the Network Connections folder.
  • Hold down the CTRL key while clicking the desired connections.
  • Right click one of them and select Bridge Connections.

The Network Bridge takes on most of the attributes of a normal network connection. To configure it, right click the Network Bridge and select Properties. You can add or remove connections from the bridge, enable protocols and clients, assign an IP address, create a connection icon in the notification area, etc.

When a network connection is added to the Network Bridge, it loses its individual attributes. It no longer has an IP address, clients, protocols, etc.

I have networked two computers using a LINKSYS router. My Internet access is through a cable modem connected to one of the two. The problem is that I can not access the Internet from the other computer. The tech support at LINKSYS says it is because the second computer does not have the 3COM 3C90x Ethernet adapter driver installed, to direct the second computer to the router’s address. I have been unable to find and install the appropriate driver in the second computer.

If you have a cable modem, you can share your single Internet connection with the other systems using a Linksys router. But, if you do not have the Ethernet adapter drivers installed, you will not be able to share the Internet connection. I suggest you to download the required driver for the 3COM 3C90x Ethernet card and proceed further regarding this issue. To download the same, please visit the link given below. This way, you will be able to find a solution for the problem you are facing. Visit the link at:


When connecting two computers using direct cable connection and a parallel null modem cable, I got a message saying verifying username and password on both computers. But the machines failed to connect. What’s the problem?

This kind of problem occurs when any of the appropriate network components or protocols has not been installed in the system. You will have to:

  • Make sure Client for Microsoft Networks is installed.
  • Check whether File and Printer Sharing for Microsoft Networks is installed.
  • Ensure whether both NetBEUI and IPX/SPX protocols have been installed on both computers.

To install Client for Microsoft Networks follow the steps given below:

  • Click Start-Setting-Control Panel. Double-click Networks.
  • On the Configuration tab, click Add.
  • Click Client, and then click Add.
  • In the Manufacturers box, click Microsoft. In the Network Clients box, select Client For Microsoft Networks, click OK.

To install File and Printer Sharing follow these steps:

  • Click Start-Setting-Control Panel and then double-click Networks.
  • Click Add, select Service, and then click Add.
  • In the Manufacturers box, click Microsoft. In the Network Services box, click File and printer sharing for Microsoft Networks, and then click OK.

To install the appropriate Protocol:

  • Click Start-Setting-Control Panel, and then double-click Networks.
  • Click Add, select Protocol, and then click Add.
  • In the Manufacturers box, select Microsoft. In the Network Services box, click a protocol. Be sure that at least one protocol is installed on both computers.
  • Click OK, and then click OK again to restart your computer.

What is Internet Connection Sharing (ICS), and how can I configure ICS on my three PC network?

Internet Connection Sharing is a new feature that comes with Windows 98 Second Edition and Windows 2000. It allows two or more networked computers to share a single Internet connection.

Internet Connection Sharing technology provides home and small-business PC users who have networked computers with the ability to share a single connection to the Internet. A family with multiple PCs can take advantage of Internet Connection Sharing to let one person send e-mail, while another plays an online game and yet another family member browses the Web. The following links offer more information regarding setting up Internet Connection Sharing (ICS) and to adding clients:



I would like to have some details regarding the functions and uses of switches. Also, mention whether it would be necessary to use switches while using a Router.

In telecommunications, a switch is a network device that selects a path or circuit for sending a unit of data to its next destination. A switch may also include the function of the router, a device or program that determines the route and what adjacent network point the data should be sent to.

Switches are found at the backbone and gateway levels of a network where one network connects with another and at the subnetwork level where data is being forwarded close to its destination or origin. The former are often known as core switches and the latter as desktop switches.

In the simplest of networks, a switch is not required for messages that are sent and received within the network. For example, a local area network may be organized in a token ring or bus arrangement in which each possible destination inspects each message and reads any message with its address. On the Internet, a router is a device or, in some cases, computer software that determines the next network point to which a packet should be forwarded toward its destination. The router is connected to at least two networks and decides which way to send each information packet based on its current understanding of the state of the networks it is connected to. A router is located at any gateway (where one network meets another), including each Internet point-of-presence. A router is often included as part of a network switch.

A router may create or maintain a table of the available routes and their conditions and use this information along with distance and cost algorithms to determine the best route for a given packet. Typically, a packet may travel through a number of network points with routers before arriving at its destination. Routing is a function associated with the Network layer (layer 3) in the standard model of network programming, the OSI model.

I want to set up a network in my office. What kind of network should I have should it be Windows NT/2000 or some other OS?

The kind of network you setup will depend upon your needs. If you want to connect many computers with centralized administration, security, Web access, remote administration and other features then a Master-Slave Network with a dedicated server running an operating system like Windows 2000 or Linux will suit your needs.

If you want to network the systems in the simplest manner (for sharing the information and the hardware devices) then it makes sense to go in for a peer to peer network with operating systems like Windows 9X or Me. Try these links for information on “Peer To Peer” Networking.

Visit the link below for information on “Windows NT Networking”:
www.bris.ac.uk/is/services/computers/operatingsystems/winnt/network .htm

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