How do you recover memory from a memory card?

I think Mac data recovery software can tell u how to recover data from memory card. u can try this http://www.92download.com/wiki/Data_Recovery_Software

Connect both memory cards to the computer, open both folders, and drag files between them.

1. Get a hammer 2. Hit memory card with hammer repeatedly3. Restart your computer

You don't. Once it has been deleted, it's gone.

Deleting or formatting won't make the data in memory card erased permanently. Those deleted data is still stored on the memory card, it's just invisible or inaccessible. Only the FAT or NFTS table is...