It is highly likely that your SD card has been corrupted. There are a number of possibilities leading to SD card corruption and data loss such as system incompatibilities, damage due to mishandling, driver failures, write-protection, etc. Follow these steps to recover photos, videos, and music files from the camera card:Connect a card reader or camera to the computer to access the camera card.Download and launch Ontrack EasyRecovery Photo on your computer.Select the camera card you want to recover. Click Scan.A list of recoverable photos, videos, and music files will appear. Preview the files then click ‘Recover’.Select a location to save the recovered files. Click Start Saving.