Troubleshooting Network Connection Problems
By Admin on Jan 18, 2011
Depending on how elaborate they are, house networks can be complicated. Regrettably, since of this complexity, troubles occasionally occur. Fortunately, you can generally solve these issues your self. In most instances, discovering the difficulty is a matter of going by means of a series of actions to eliminate potential problems one by 1 until you come across the source of the issue. This article walks you by way of isolating your issue, troubleshooting the issue, and, if needed, contacting the correct organization for support.
If you are setting up your property network for the first time, refer to Set up a wired network or Set up a wireless network. The guidance in this article assumes that you were previously able to use your network, even though the information here may possibly be useful for troubleshooting setup issues, too.
How to isolate networking difficulties
Men and women who work with networks believe of them in terms of layers. These layers consist of the World wide web, your modem and router, and the personal computer (or computers) on your network. To troubleshoot a issue effectively, you should 1st identify which network layer is causing the problem. The following diagram shows the diverse layers that may be the trigger of a difficulty.
Windows XP says your network adapter has limited or no connectivity
If Windows XP says your network adapter has limited or no connectivity, it could be due to several diverse difficulties, which includes a failed Net connection, a misconfigured router, or a misconfigured network adapter. Follow these steps to troubleshoot the difficulty. (You can stop following the actions if your network connection starts to work.)
1. In the Network Connections window, correct-click your network adapter, and then click Repair. For detailed instructions, read Repairing network connections.
2. Unplug your modem. If you are unsure which device might be your modem, it is the device that is connected directly to your phone line (if you have DSL) or cable connection (if you have a cable modem). Wait one minute, and then plug your modem back in again.
three. If you have a router connected to your modem, unplug it. If you are unsure which device may be your router, look for the device that has at least two network cables: 1 that connects to your modem; and yet another that connects to your computer. You may well also have a wireless router, which would be connected to your modem and would have one or a lot more antennas. Wait 1 minute, and then plug your router back in again.
4. Restart your pc.
5. If your network adapter still shows “Limited or no connectivity” and you have customized your router’s configuration, verify that the router has DHCP (Dynamic Host Configuration Protocol) enabled. Allow DHCP, and then restart your pc. DHCP automatically assigns an Internet Protocol (IP) address to your computer, which uniquely identifies your personal computer on your network. For instructions on how to enable DHCP for your router, refer to your router’s documentation.
6. If you are using a router, unplug the network cable that connects your modem to your router, and connect your personal computer directly to your modem. Then restart your personal computer. If your personal computer connects correctly after restarting, the difficulty is with your router. Contact your router manufacturer for support.
7. If your network adapter still indicates “Limited or no connectivity” when your personal computer is connected directly to your modem, contact your Web service provider (ISP) for support. To speed up the troubleshooting procedure, describe the steps you have already taken, such as restarting your modem, router, and pc, and connecting your computer directly to your modem. The “Limited or no connectivity” error message indicates that your personal computer is properly connected to your house network; however, the ISP’s DHCP server is not assigning it an IP address. This problem could be caused by a failed DHCP server on the ISP’s network, a failed modem, or a issue with your Net connection. Alternatively, the ISP may require you to use a “static” IP address, which only its support staff can aid you configure.
After following these actions, you must have identified the issue as your router, your modem, or your Net connection, and then either reconfigured or repaired the failed component.
Windows XP says your network adapter is connected, but you can’t reach the Web
If you reached this section, your pc is almost certainly connected to your home network properly, but there is a failure with your router, modem, or World wide web connection. In this case:
1. First, verify that you can’t reach the Net. Begin Microsoft Internet Explorer, and attempt to connect to the following Web websites: http://www.microsoft.com, http://www.msn.com, and http://www.windowsmarketplace.com. If any of the Web web sites open correctly, your Net connection is functioning properly. If all of the Web internet sites fail to open, continue following these actions.
2. Unplug your modem. If you are unsure which device might be your modem, it is the device that is connected directly to your phone line (if you have DSL) or cable connection (if you have a cable modem). Wait 1 minute, and then plug your modem back in once more.
3. If you have a router connected to your modem, unplug it. If you are unsure which device may be your router, look for the device that is connected directly to your modem. Wait one minute, and then plug your router back in once more.
4. Restart your pc.
5. If you have much more than 1 computer on your network, turn the other computers off. Also, close any network applications that you may well have open, such as file sharing and peer-to-peer applications. These applications can consume so a lot bandwidth that they may well prevent you from being able to browse the Web. Repeat step 1 to retest your World wide web connection. If the connection works now, the difficulty is that 1 of your applications is consuming too a lot of your World wide web bandwidth or attempting to connect to too a lot of distinct computers. Close the application, or configure it to use less bandwidth or fewer connections.
6. If you have previously configured your computer with a static IP address (for example, to connect to your office network), you possibly need an automatic IP address at property. Fortunately, you can configure Windows XP to use both by following the actions in Automatic configuration for multiple networks.
7. If you are making use of a router, unplug the network cable that connects your modem to your router, and connect your pc directly to your modem. Then restart your computer. If your computer connects properly after restarting, the issue is with your router. Contact your router manufacturer for support.
8. If achievable, connect a various personal computer to your modem, and attempt to access the Web. If the pc is able to access the Internet, you may have a problem with your Web browser. Contact your pc manufacturer for support.
9. Your modem or your Web connection has failed. To resolve the difficulty, contact your ISP technical support. To speed up the troubleshooting procedure, describe the steps you have already taken, including restarting your modem, router, and pc, and connecting your personal computer directly to your modem.
After following these steps, you ought to have identified the dilemma as your router, modem, Net connection, or Web browser, and then either reconfigured or repaired the failed component.
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