Ask the ISP to monitor your connection the next time you dial in. Try clicking in the URL bar and then Enter on the onscreen keyboard. Sometimes the Internet can get bogged down, and this procedure may allow you to connect via a faster pathway. The page you selected might also have a lot of graphics. Try to see if there is a text-only version of the page or a version designed for faster loading.
Some forms have fields with arrows and an x.
You may want to clear the internal memory of your Dreamcast system. To do this, make sure the Dreamcast Network browser disc is in your Dreamcast and your controller is plugged into the B port. Turn on the system, and immediately hold the X and B buttons on the controller down until the initial screen appears. Most connection problems are caused by incorrect configuration information. There may also be a problem with a poor-quality phone line.