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 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 and corrupt video 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.… Read More »
Comparison between various tools for photo recovery The case of the corrupt JPEG files Sometimes it turns out photos can not be repaired after recovery. Best thing to do then is to use better photo recovery software and recover the files again. Files were originally recovered using Easeus Data Recovery. Case: Contacted via Facebook Chat,… Read More »
I frequently come across this question when browsing forums and other PC help sites: Videos which are recovered from a formatted memory card can get corrupted after recovery. Can they be un-corrupted or repaired? Well, that depends on how corrupt the files are and how they became corrupt. There is a more than fair chance… Read More »
Often I am asked to repair JPEGs that can be opened but don’t display correctly. Many of those look okay for some part, but turn into a grey area at some point. Repairing these files (or recovering them as we’ll see) isn’t always straight forward and sometimes requires some detective work. Half grey photos In… Read More »
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 »
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 »
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 »
JPEG Repair software from Stellar is the one of the few photo repair tools to fix corrupt or damaged photos, images and picture files, having JPEG file extension. Stellar offers a wide variety of data recovery related software and services. JPG files can become corrupt for a variety of reasons and it is unfortunately quite common.… Read More »