This sounds like the same problem I have on my home machine.
If you manually launch the Book Port Transfer Software, does it then
see the Book Port?
If not, try right clicking on it in the Device Manager and deleting it. That worked on one machine I had this problem with.
Good luck, Richard
I have reformatted the card still not seen /Windows explorer doesn't see it either It is seen in the device manager as SD inc ttsMP3 player I'm going to reboot while it is connected. windows exploere