I have a DTL-4 card but am having problems installing it. After installing the software and restarting the PC as instructed, I plug in the DTL-4 card. Plug and Play recognises new hardware but it is identified by a "?" and a string of strange characters. If I proceed and try to install the drivers then the drivers cannot be found. I have tried this on both a Sony Vaio running Windows XP Professional and a Dell laptop running Windows 2000 Professional, with the same results in both cases. Any suggestions?