Read about the easier it back to carry out effective person? Technician, i've got a Toshiba brand of camera recorder model Camileo p20, i got a problem is it can not read the sd card Kingston sd HC 4 Gb, i used to use this with this camera but after i take it out from the camera and put it in the computer to copy the picture and vdo clips and i put it back again and it show nothing, i format this sd card and try many times but it doesn't work.