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Corrupt Compact Flash Card????
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Oct 24, 2018 14:21:34   #
ggenova64
 
Yes SanDisk still offers free recovery software with their cards.

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Oct 24, 2018 17:25:17   #
stumbo Loc: Prescott, AZ
 
amfoto1 wrote:
Exactly how are you downloading the images to your computer?

Are you removing the card from the camera and using a card reader or are you downloading from the camera via a USB cable?

Are you using some app to download, or simply using your computer's operating system to copy the files onto it?

Do you regularly format your cards in-camera?

It's rare for a card that's worked in the past to suddently "become corrupt". Memory cards are solid state, so there isn't much to "go bad".

Most likely is a problem with connectivity between card reader and computer or between camera and computer (depending upon what method you're using). Have you changed anything lately? Using a different card reader or have it connected to computer differently, for example.

It also could be a failed USB cable, if tethering the camera to the computer to do the download. Or it could be a bad USB socket (on camera or on the computer).

If you were moving the images off the card while still in the camera and the battery was low and the camera had to shut down, the interruption could corrupt the files. (One reason not to download from camera, but to instead use a card reader. It also lessens the risk of damage to the USB socket of the camera, which is likely to be expensive to repair because most are part of the camera's main board... replacing a memory card socket is usually less expensive: easier to get to, less labor, and it's a modular sub-assembly on most cameras, so replacement parts would be cheaper, too. It's also a good idea to copy images off the card, rather than move them. That leaves the originals in place on the card, in case there's any problem with the download.)

As mentioned in a previous response, it also could be a damaged memory card socket in your camera. Remove the memory card and inspect the pins at the bottom of the socket. Also look closely at the connection end of the memory card itself... for any sign of damage or a broken pin stuck in it.

You should work through each of these possibilities... substituting a different card reader, using USB cord instead or substituting a different one, etc.... testing each in turn to rule out the various possibilities and try to identify the source of the problem.
Exactly how are you downloading the images to your... (show quote)


Thank you for your reply and suggestions.

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Oct 25, 2018 02:15:19   #
sv3noKin51E
 
Stumbo, Recuva and Photorec are two windows freebies that have absolutely performed miracles for us over the years; O&O has a paid program that we own, and it's worth the expenditure. We Sandisk, Samsung cards and, always make sure the camera is off prior to opening the card door, offloading the shoot, then reloading the card. In a pinch if the card isn't over 1/4th filled, downloading via USB 3 has always worked, but your battery will always take an unnecessary power drain. As long as your work is backed up on at least two separate drives, you should always reformat your card in the camera. Good luck and happy shooting. sv

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Oct 25, 2018 09:30:36   #
11bravo
 
I'd suggest using a card reader, or a different card reader; they're cheap. Some plug directly into a USB slot, eliminating cable disruptions (though I use a short USB extension cable for ease of insertion). Get a magnifying glass and check the pins in the card reader; I have bent a pin when I was using CF cards. You can try and straighten with a pair of sharp tweezers, or a micro screwdriver, but easier to buy another reader.

Finally, if windows, use TeraCopy, freeware, with details and verify options enabled. You can see the progress; if a file has a problem, the copy continues, with error report at end. The verify ensurs an exact copy was made.

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Oct 25, 2018 11:30:06   #
larryepage Loc: North Texas area
 
ggenova64 wrote:
Yes SanDisk still offers free recovery software with their cards.


Yes. Be aware that the certificates that came with my latest two San Disk cards were for a two-year subscription for the recovery software. So I am planning to hold on to them until needed, rather than downloading and activating immediately. I would hope that the need for recovery would not occur within two years.

It would be interesting to discover whether the San Disk software will work on cards made/sold by others or if it is keyed in some way to San Disk products only...

Perhaps someone who has already downloaded and installed can let us know.

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Oct 25, 2018 16:19:32   #
stumbo Loc: Prescott, AZ
 
sv3noKin51E wrote:
Stumbo, Recuva and Photorec are two windows freebies that have absolutely performed miracles for us over the years; O&O has a paid program that we own, and it's worth the expenditure. We Sandisk, Samsung cards and, always make sure the camera is off prior to opening the card door, offloading the shoot, then reloading the card. In a pinch if the card isn't over 1/4th filled, downloading via USB 3 has always worked, but your battery will always take an unnecessary power drain. As long as your work is backed up on at least two separate drives, you should always reformat your card in the camera. Good luck and happy shooting. sv
Stumbo, Recuva and Photorec are two windows freebi... (show quote)


I appreciate your time answering my inquiry.

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Oct 25, 2018 16:20:35   #
stumbo Loc: Prescott, AZ
 
11bravo wrote:
I'd suggest using a card reader, or a different card reader; they're cheap. Some plug directly into a USB slot, eliminating cable disruptions (though I use a short USB extension cable for ease of insertion). Get a magnifying glass and check the pins in the card reader; I have bent a pin when I was using CF cards. You can try and straighten with a pair of sharp tweezers, or a micro screwdriver, but easier to buy another reader.

Finally, if windows, use TeraCopy, freeware, with details and verify options enabled. You can see the progress; if a file has a problem, the copy continues, with error report at end. The verify ensurs an exact copy was made.
I'd suggest using a card reader, or a different ca... (show quote)


Thank you for taking your time to reply to my inquiry

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Oct 25, 2018 16:21:39   #
stumbo Loc: Prescott, AZ
 
larryepage wrote:
Yes. Be aware that the certificates that came with my latest two San Disk cards were for a two-year subscription for the recovery software. So I am planning to hold on to them until needed, rather than downloading and activating immediately. I would hope that the need for recovery would not occur within two years.

It would be interesting to discover whether the San Disk software will work on cards made/sold by others or if it is keyed in some way to San Disk products only...

Perhaps someone who has already downloaded and installed can let us know.
Yes. Be aware that the certificates that came wit... (show quote)


Thank you for taking the time to respond to my inquiry.

Reply
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