If the shutter button does not return to its normal state there may be a foreign object or substance preventing that action. The spring which facilitates this motion may also be broken or dislodged. In both cases the camera will need to be disassembled for repairs or cleaning.

The Sony Alpha A3000 is compatible with: Memory Stick PRO-HG Duo, Memory Stick PRO Duo, Memory Stick XC-HG Duo, SDHC memory card, SD memory card, and SDXC memory card