Help Replacing Sd Card in Samsung Epic 4g

[killablake007]

i bought a new sd card for my buddys epic 4g that i gave him cuz i wanted to keep the one in it but for some reason it doesnt detect it but in anyother device it does i dont know what to do its a SanDisk 16gb card should i try and buy a Samsung card or is there something else i can do

 

[Zeinzu]

Try formatting the card on your pc. Uncheck quick format and set everything to default.