What Does "Network cable is unplugged" Mean?
When you receive an error message saying "Network cable is unplugged", it generally means that your computer can detect that you have an ASDL and/or Cable Connection pre-configured on your computer but an Ethernet cable and/or a cable that is supposed to be plugged into the modem, is unplugged.
In the case that you are positive that all of the cables are plugged in correctly but you still receive the error message, there are three possible problems.
Kinked Cable
One of the cables may have a kink. You will need to replace the cable with a new one. To do so, visit your local hardware shop or contact your Internet service provider for more information.
Improper Configuration
You and/or a technician may have begun configuring your network settings but stopped halfway through. In order to fix this, you will need to contact your Internet service provider and ask them to provide you with: your IP Address, Default Gateway, Preferred DNS Server and Alternate DNS Server. If you are using a router: instead, ask them to send a technician over to decide what the problem is.
If you are not using a router, continue reading. Otherwise, the problem is now in your Internet service provider's hands.
- Launch the Start Menu.
Click "Control Panel".
Double-click "Network Connections".
In the "General" tab, click "Internet Protocol (TCP/IP)".
Click "Properties".
Click "Use the following IP address:" and "Use the following DNS servers:".
Enter the information that was given to you by your Internet service provider.
Click "Ok" and test to see that your Internet is working.
Virus
You could have a virus that has disabled the ports required to access the Internet using your web browser. The most common virus of this kind is "Trojan Horse Dialler 17.E", frequently obtained by downloading patches for instant messaging networks or P2P networking systems. To find out if this is the problem, follow the instructions below.
- Launch the Start Menu.
Click "All Programs".
Click "Accessories".
Click "Command Prompt".
Type `ping www.google.com`.
Press <Enter>.
Pinging www.l.google.com [72.14.253.103] with 32 bytes of data:
Reply from 72.14.253.103: bytes=32 time=172ms TTL=243
Reply from 72.14.253.103: bytes=32 time=171ms TTL=243
Reply from 72.14.253.103: bytes=32 time=171ms TTL=243
Reply from 72.14.253.103: bytes=32 time=171ms TTL=243
If you receive the above, or something similar, it means to say that you are still capable of accessing the Internet but some of your ports have been disabled. If this is the case, you will need to get a hold of an anti-virus program (such as AVG Free) and run a full computer virus scan. If you have a virus by the name of "Trojan Horse Dialler 17.E", follow the instructions given below. If you have a virus with a different name, visit an Internet cafe and search Google with the name of the virus. Print off any instructions that you think may work.
- Launch the Start Menu.
Click "Control Panel".
Click "Add or Remove Programs".
Click on "Newdotnet" or something similar and click "Uninstall".
Clear your cache in Internet Explorer, Mozilla Firefox and Java. Refer to "How do I clear my cache?".
Reboot your computer.
If problems persist, contact either a technician or your Internet service provider. All problems can be resolved if you find the correct solution.
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