Network Software Troubleshooting

Network Connection Problems and Solutions
You are not able to get your e-mail.
  • Check to see if you are logged in to the network.
  • To do this, double-click on the My Computer icon. If you are logged in, you will see a drive with your login name as part of the name (Click here). If you do not see any drives other than the A, C, and D drives,(Click here) you are not logged into the network and that is why you cannot get your e-mail. You need to close all programs log off, shut down, and restart.
  • Check the network cable.
  • If the problem is not resolved, contact your technology coordinator.
You cannot access the Internet.
  • Were you able to log in to the network?
  • If the answer is Yes, then the Internet is probably down. Notify the technology director or the technician as soon as possible.
  • If the answer is No, check your network cable.
  • Use ping command to determine what is wrong with Internet connection.
  • Ping Default gateway, DNS Server, a Website IP address, and a website name, in this particuliar.
  • A Ping failure at any of the steps above means something different. The Default gateway, DNS server, Internet Service provider, or website could be down.
You can access the Internet, but you are prevented from seeing a perfectly acceptable site.
  • Ask the technology director to unblock the site.
  • Sometimes they will unblock the site for you, and sometimes they will deny your request.
How can I resolve network and Internet connection problems?
  • Click on Start and go to Control Panel.
  • Now click on Network and Sharing center.
  • Now click on Diagnose and Repair.
  • You will get a screen which will show that it is trying to identify the problem.
  • If it cannot find any issue, it will show you the following screen. (Click here)
  • If the problem began after you installed new software, check your connection settings to see if they have been changed.
"The Local computer does not support encryption" and the error code 741 pops up.
  • click on Start and go to Control Panel.
  • Click Network and Internet.
  • click Network and Sharing Center.
  • Now click on Managed network connection.
  • Now right-click the VPN connection and then click on properties.
  • Click the Security tab > Advanced (custom settings) and then click on Settings.
  • In the Advanced Security Settings dialog box, under Data encryption, select Maximum strength encryption and click on OK. (Click here)
Computer is unable to connect to a network or see other computers on a network.
  • Verify that the network cable is properly connected to the back of the computer.
  • Verify that Device Manager has no conflicts or errors with the Network Adapter.
  • Verify that the network card is capable of pinging or seeing itself by using the ping command. To ping the card or the localhost, type either ping or ping localhost. (Click Here)
  • When the TCP/IP protocol is installed the user must specify an IP address as well as a Subnet Mask. To do this, follow the below instructions.
    1. Click Start / Settings / Control Panel
    2.Double-click the Network icon
    3. Within the configuration tab double-click the TCP/IP protocol icon.(Click Here)
    4. In the TCP/IP properties click the IP address tab.
    5. Select the option to specify an IP address.
    6. Enter the IP address and Subnet Mask address.
    7. When specifying these values, the computers on the network must all have the same Subnet Mask and have a different IP Address.

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Research Sources


Troubleshooting Network Connection Problems

This resource documents how to troubleshoot Network Connection problems in Windows XP Professional.

Troubleshooting Networking Problems

This website provides detailed instructions of how to troubleshoot network problems in Windows 2000 and Windows XP.

Basic Network Troubleshooting

This site provides users with a basic introduction to troubleshooting network connections.

Network Troubleshooting: Network Knowledge for Teachers by Teachers

This site provides basic troubleshooting procedures for network connection malfunctions in an easy to understand, jargon-free manner.

Zolved Networking Solutions Community

This site is a link to a community forum which provides simple and recurring network problems in the Windows Operating System interface. The solutions range from dial-up problems to Cable/DSL problems.

Basic Troubleshooting Using Command-Line

This site outlines a few basic command line tools you can use to help pinpoint the problem of no internet access via the network.