mbird Posted December 28, 2008 Share Posted December 28, 2008 Hi All I have been having a problem over the past few weeks when I come to import RAW files. It doesn't matter whether I use Windows picture import wizard to copy the files to my hard drive, or do it direct from Lightroom, but a percentage of the pictures end up with corruption. If you look at the pictures in Lightroom along the filmstrip, they all appear okay to start with, but then at random seem to get bright coloured blocks at the bottom (usually the bottom right corner). Occasionally the whole photo turns yellow and magenta. I thought originally this was Lightroom, as when I viewed the photo thumnails in windows explorer they seemed ok. However, when opening one of the affected files to view full size, it seems to be okay until windows has finished rendering it and then gets corrupted. I have checked the files in the memory card, and they are fine as if I delete the dodgy files from the hard drive and then re-import them they are ususally okay. Has anyone had any experience of this? It seems the corruption is occuring at the time of transfer from card to hard drive, so next time I am going to plug in the cameras USB cable rather that using my card reader. Quote Link to comment Share on other sites More sharing options...
newf Posted December 30, 2008 Share Posted December 30, 2008 Hi Mark, You may remember I lost my photo files a couple of months ago but I managed to get some back using a recovery programme but most of the RAW files were currupted as you describe, I posted a question on the recovery website but never did get an answer, Colin Quote Link to comment Share on other sites More sharing options...
pks1702 Posted December 30, 2008 Share Posted December 30, 2008 Could be a number of potential reasons. I have a habit of re formating the card after I have transfered my images; to date I have not suffered any corruption. I am not saying this is the answer but might be worth a try in future. These may be of interest: http://forums.dpreview.com/forums/read. ... e=30324350 http://forums.dpreview.com/forums/read. ... e=28725889 http://adobeforums.com/webx/.59b526e0 Quote Link to comment Share on other sites More sharing options...
mbird Posted December 30, 2008 Author Share Posted December 30, 2008 Perry Thanks for those links, and they certainly do describe what I have been experiencing. One of the photos shown as an example is exactly what I get. This morning I took a few dawn shots from my bedroom window, but when I imported them into Lightroom, I used a USB card reader instead of the one built into my PC. There were no corrupted files this time, but I do not know whether this is down to there only being a dozen shots, or if the different card reader really did make a difference. I have downloaded the memory test program mentioned in one of the threads and mine checked out okay, so that's one less thing to consider anyway. Quote Link to comment Share on other sites More sharing options...
pks1702 Posted December 30, 2008 Share Posted December 30, 2008 Well at least you are eliminating potential causes Mark. I would stick with the off computor card reader and see how that goes. Glad at least it has ticked a few possibilities off the list Quote Link to comment Share on other sites More sharing options...
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