My Samsung Galaxy Admire phone is saying that an SD card isn't found when the SD card is inside the phone: it shows "Please insert SD Card".
What could be wrong?
As there's no response anymore from the OP, a short summary from the comments for possible solutions:
This issue can have multiple reasons:
These are the things you should try
Best in the order of their listing:
That should be a nearly complete How-to-fix-It. If I forgot something, feel free to mention it :)
TL;DR -- short variant: