Troubleshooting DSL Modem Problems

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Troubleshooting DSL Modem Problems

Solving problems that primarily crop up in DSL modems, is a simple enough exercise. Here are some tips to help you out.

Before you decide to call up your Internet service provider, to solve your DSL (Digital Subscriber Line) connection problems, you might want to check your modem first. More often than not, the problem lies there.


A DSL modem is the connection between your home computer and the telephone line, through which the Internet service is provided. The problem might be a hardware or software related one. To troubleshoot any DSL problem effectively, you need to diagnose the root cause.

Check Connections and Restart

Sometimes, the reason for a DSL modem problem may be loose or ripped connections. In some cases, it may even be the result of wrong connections. Get hold of the manual provided by the manufacturer and check the connections. Plug in loose connections properly and try connecting to the Internet after restarting your computer.

Modem Reset

Sometimes, simply resetting a modem can solve your problem. Most come with a reset button. Just press the reset button and check if the Internet connection is restored. This simple trick might solve the problem for you.

Check Modem Lights

There are several indicator lights on a modem, that show the status of its connections. If the DSL status light is red, there is a problem with the telephone line that connects your computer to the Internet. In this case, you might want to contact the service provider as the problem may need telephone line fixing.

Also, check the Ethernet connection light indicator. If it is red, that means there is a problem with the modem’s connection with the computer. Check, if the Ethernet cable line is connected properly. You may need to replace the cable if it is no longer functioning properly.

Modem Incompatibility

Sometimes, the reason why a DSL connection won’t work is the incompatibility of the modem with the Internet service provider’s requirements. Check with the manufacturers and service providers for compatibility issues. You may need to get it replaced.

Inappropriate Driver

Drivers are programs that communicate with the modem, at a hardware level. Sometimes, your computer’s operating system may not be compatible with the driver software. Update the driver software by running the installation CD and reinstalling the appropriate driver.

Check Router Connection

If you are using a router, you might want to check its connection with the modem, for any problems. Check the router lights to see the status of the connection. One way of verifying, if the router itself is the culprit of your trouble, is to connect the modem directly into the computer Ethernet port and see, if the connection works. If it does, there is a problem with the router and it may need to be repaired or replaced.

Check for DSL Filters

Since DSL operates through a telephone line, there are separate DSL filters into which the phone jacks need to be plugged in, to separate the Internet traffic from the voice signals. Make sure that the phone jack is connected with such a filter. If it isn’t there, make sure that you get it installed.

If none of the above suggestions work, it is best to call up your Internet service provider, for professional help in the matter.

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