Tag Archives: sd card

Fake memory cards

Fake memory cards are a real problem. Not a week goes by where I am not confronted with loss of digital photos caused by these. The sad news is that these photos that were never actually saved to the card can nor be repaired or recovered. Fake memory card explained A fake memory card offers… Read More »

Can corrupt Canon CR2 RAW photos be repaired

Can corrupt Canon CR2 RAW photos be repaired? Edit 2nd of March, 2019: After having successfully repaired a number of corrupted CR2 (Canon RAW files), I now accept CR2 files for my photo repair service. Unfortunately I know of no software that can successfully repair corrupt Canon CR2 RAW Canon files. This known incapable software… Read More »

Recover Canon CR2 RAW photos

Recover Canon CR2 RAW photos. Canon CR2 raw files contain unprocessed raw sensor data. Depending on the camera’s resolution they tend to be quite large and due to typical usage patterns (preview photo > dismiss/delete file > shoot new file etc.) the files become easily fragmented. Shoot video too? Then fragmentation is very likely to… Read More »

Creating an image file using ReclaiMe File Recovery

Creating an image file for the purpose of data recovery An image file of a disk for the purpose of data recovery is one that captures each and every sector from the source medium. Used and unused. It is also referred to a bit-stream image, a sector-by-sector disk copy or a raw image. Creating an… Read More »

MP4 video recovery observations

I recently did a MP4 video recovery from a memory card (SD). It contained combined JPEG photo and MP4 video data, shot with a Canon EOS 600 D. Previous recovery attempts done by the customer resulted in the majority of the files being corrupt. All MP4 video was unplayable. Most recovered MP4 videos were tiny… Read More »

Corrupt CR2 and NEF files due to file fragmentation

There are many tools available to recover lost or deleted digital photos from memory cards. Most of them are unable to recover non contiguous or fragmented files. As a result fragmented files recovered by such tools will be corrupt. In such cases JPEG Recovery LAB can help you recover fragmented files. However, recovered files may… Read More »

Recovering fragmented photos and videos – the file system matters

One of the most frustrating things after file recovery is to discover your files are corrupt. Corruption can be caused by a few different things, IF we assume the software didn’t make errors like guessing the wrong file system. Parts of the file were overwritten after deletion. Overwritten data can not be recovered. File occupied… Read More »

Chkdsk turned all JPEGs into .CHK files

The other week I received a SD memory card on which chkdsk was automatically run. Chkdsk turned all JPEGs into .CHK files. When Chkdsk removes certain files from the file system, it saves the content of the clusters that belong to the file in .CHK files. They are typically written to a folder called ‘FOUND.000’. As… Read More »

Easily recover data from a SD memory card

Recovering data from a SD card or any other type of memory card is essentially the same as recovering data from a regular disk. As memory cards are typically ejected and inserted on a regular basis they appear to be a tad more prone to file system corruption. If this happens the memory card file… Read More »