Emergency · camera memory card
Camera reports a card error: protect the recordings
What should I do when my camera says Card Error?
Short answer
Immediately switch the camera off and remove the card, without formatting or repairing. The message can mean an incompatible file system, directory damage, slow media or a physical read failure. On a computer, check whether a stable reader shows the correct capacity; only then scan read-only and export to another drive.
The situation
The camera refuses playback or recording and displays a generic card error.
Card Error is the one message a camera shows for a dozen different conditions, from a file system it does not understand to a card that no longer answers. The camera cannot tell you which, and its only offered remedy, formatting, destroys the evidence.
01 / Diagnose
Work out what actually disappeared
Cameras run a minimal file system driver and are strict about what they accept. A card formatted on a computer with the wrong cluster size, a directory the camera cannot parse, a card too slow for the selected bitrate, or a genuine read failure all end in the same warning. Whether a computer can still read the card separates the harmless cases from the serious ones.
The message can represent an incompatible file system, directory damage, slow media, or physical read failure.
Check the last known path, trash and backups without writing to the original device.
02 / Protect the source
Preserve the best recovery chance
- 1
Switch the camera off and take the card out instead of confirming the message, since the menu that follows usually leads to a format.
- 2
Put the card into a card reader on a computer and see whether the volume mounts and the capacity looks right.
- 3
If it mounts, copy the visible recordings off first, and only then scan read-only for anything that is no longer listed.
- 4
If it does not mount, make a sector image while the card still responds and work from that image afterwards.
Do not accept the camera's offer to format or repair the card, and do not put it into a second camera to see whether that one copes. Every camera writes management files on insertion, and a format creates a new directory over the recordings.
03 / Choose the method
Match the tool to the source
For stable, readable exFAT, NTFS and FAT16/FAT32 or uncompressed IMG, DD, RAW and BIN images.
Unconfirmed exports are marked .UNVERIFIED.
If the computer cannot see the card either, the fault is in the card and not in the camera, and software stops there. File Recovery Hero reads exFAT and FAT cards that a reader presents normally; it cannot revive a card that no longer responds.
04 / Verify
Check the recovered content, not just its name
Success is measured on the computer, not in the camera: the recordings you secured must open from the destination disk at full length, with sound where sound belongs. Only once the material is safe is it worth formatting the card in the camera and testing it with a throwaway shoot.
Keep the source until two verified copies exist. One working preview is not enough.
Sources and technical references
FAQ
Questions about this recovery case
Can camera memory card be recovered in this situation?+
Card Error is the one message a camera shows for a dozen different conditions, from a file system it does not understand to a card that no longer answers. The camera cannot tell you which, and its only offered remedy, formatting, destroys the evidence. The result still depends on what remains readable on the source.
What should I avoid before scanning?+
Do not accept the camera's offer to format or repair the card, and do not put it into a second camera to see whether that one copes.
Does scanning write to my memory card?+
Your memory card is only read. Nothing is saved to it.
How do I know whether the result is complete?+
Success is measured on the computer, not in the camera: the recordings you secured must open from the destination disk at full length, with sound where sound belongs.