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General discussion

Corrupt JPG files

by nico.canali Jan 3, 2011 10:49PM PST

Hello everyone,
I don't know how, and I've also read many other people have this same issue, some of my JPG files have been corrupted (some in this "wrong color" mode, while others just appear half correct and half grey) just by staying on my hard drive.

I haven't edited them, I haven't transferred them, nothing, so it is probably my old external drive's fault.

Anyway I have managed to get a good and a corrupt copy of the file, which look IDENTICAL to me, also analysed in a HEX editor (as some resources on the web suggest it should be a header issue that can be solved by copying a "good" picture's header)

I hope someone can figure out what's happening with these files, and that we manage to find a solution.

Thank you,

Here are the two files:
http://www.mediafire.com/i/?6itm101u12b1s17
http://www.mediafire.com/i/?m51dzacd05usm5q

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2 ideas.

by r. proffitt Forum moderator Jan 3, 2011 11:04PM PST

Try another picture viewer on the corrupt jpeg like IRFANVIEW just in case it's Windows not handling the image.

Second, it's an industry problem with HDDs that need a firmware update. Not trivial, not always safe to do but well known. I'll supply one and only one link about it but can't tell if it applies to this one.

-> http://www.raidinc.com/pdf/Silent Data Corruption Whitepaper.pdf

Makes you want to keep backups of what you can't lose.
Bob

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