One more thing you could try is to download and run “sdformatter” (search with google). This is a utility program you can use to completely re-initialize and format your SD card (remember to copy the sample files onto the card after format).
One more thing you could try is to download and run “sdformatter” (search with google). This is a utility program you can use to completely re-initialize and format your SD card (remember to copy the sample files onto the card after format).