Corruption when transferring data from USB

Joined
Jan 3, 2009
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666
I have noticed that sometimes images I transfer from digicams to my computer are corrupted, either the image is scrambled or completely unreadable.

No matter the camera, flash card, device used to read the card, or computer its read on, this happens.

So far I have only noticed it in regards to images, but I have no idea if everything I transfer can risk corruption as well.

Any idea WHY this is happening? I have used several different SD->SB and MiscoSD->USB adapters and different computers with different operating systems and all of them seem to suffer from this, and its rare but when transferring hundreds of images it starts to have a higher chance of happening, you only notice it much later when one of your images fails to load or is scrambled.

I do a lot of data transferal and backup through USB, if this keeps happening and isn't just limited to image files then who knows how much damage has been caused, and it essentially makes backups useless.

Any idea why this is happening? What I can do about it? Is there any program out there that can scan my PC for corrupted image files?
 
Usually CHKDSK will find most corrupt files. It's built into every modern Windows OS.

Try a different USB cable. What application are you using to import the images from the camera to the PC?
 
Usually CHKDSK will find most corrupt files. It's built into every modern Windows OS.

The files themsevles aren't corrupt, its the data within the files. Baically, as far as the fileystem is conscerned, the file is ok, but as far as the JPEG standard is conscerned, its corrupted. Sometimes this means the image won't load at all, other times it means the colors are all wrong or there is "strips" missing at the bottom of the image.

Try a different USB cable. What application are you using to import the images from the camera to the PC?

I have tried that, as well as trasnfer devices that don't use a cable at all.

And im not using any application, im reading the card directly and copying the files to my pc using explorer.
 
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