ADSL Problems
There are many different reasons why an ADSL connection is misbehaving. Most of the time they can be narrowed down to a very small number of problems. This guide will help you determine where the problem might be.
No connection at all
Dropping the connection and reconnection after a few minutes
Dropping the connection and not reconnecting automatically
Slow Connection
By this we mean a you are not getting even close to your expected download or upload speed. There are three main areas that could be causing the problem. Start faultfinding by getting baseline result from a speed test site. Try WWW.SPEEDTEST.NET or WWW.THINKBROADBAND.COM.
Now, the first place to look is in the connection status page of the web interface of the router. When the router negotiates with your local telephone exchange, it will agree a best speed. This is the fastest error free speed that the line between the router and the exchange will support. This is usually determined during the first couple of weeks of a new connection, but can be renegotiated at any time by the exchange. This is what is called rate adaptive, and is why many ADSL connections have speed ratings as up to.., because if are were next door to the exchange that is what you would get.