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Next: 5.6" digital photo frame with wireless
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External
Since: Oct 12, 2006
Posts: 3
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(Msg. 1) Posted: Thu Oct 12, 2006 9:38 am
Post subject: Canon Powershot S400 Corrupt Files. Blame camera or CF Card?
Archived from groups: rec>photo>digital (more info?)
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Greetings:
I have a Canon PowerShot S400 with a Lexar Compact Flas 256MB (12x)
card.
I am aware of Lexar problems with SOME Canon Cameras, but have not seen
information on THIS camera.
I am trying to determine if Camera or Card is to blame for the
following:
After about 18 months without problems, I started experiencing loss of
files. The camera sometimes reports: "Corrupted Data". Sometimes it
does not report an error. Files cannot be retrieved with a USB reader.
I WAS able to retrieve some with ZAR 8.0, which did a great job where
other attempts failed.
Symptoms:
Some files are fine.
Some files disappear altogether.
Some files' thumbnails look fine, File is completely black.
some files have about 1/16th at top ok then black or random colors.
some files appear rearranged and rotated, like a puzzle.
Any ideas or experience would be appreciated. I am planning a trip and
need to decide whether the Card or Camera is to blame. I'd hate to
scrap the camera if the card is the culprit. I'd hate to go on a trip
with the camera acting this way.
Thanks for your help or input.
Dave |
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External
Since: Sep 26, 2005
Posts: 107
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(Msg. 2) Posted: Thu Oct 12, 2006 12:53 pm
Post subject: Re: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Dave Huber wrote:
> ...
> After about 18 months without problems, I started experiencing loss of
> files. The camera sometimes reports: "Corrupted Data". Sometimes it
> does not report an error. Files cannot be retrieved with a USB reader.
> ...
Bill's idea of reformatting the card is a good one.
I agree with trying that.
I'm not an expert, but I guess that battery problems are
another possible cause of lost images. Maybe you're
battery is not putting out the same voltage it did when
it was new, or maybe the contacts between battery and
camera, or between camera and card are dirty. If the
voltage is near the threshold of what is needed to write
a clean signal on the card, maybe some of the bits are
not being recorded right and parity check failures are
occurring.
If you've got a voltmeter you may be able to compare the
reading of the battery to what the specs say, though
you can't really get an accurate reading unless you
test it under load. I'm not sure how to do that. Some
others on the group can probably tell you.
Alan |
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External
Since: Oct 12, 2006
Posts: 3
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(Msg. 3) Posted: Thu Oct 12, 2006 1:32 pm
Post subject: Re: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Alan,
Your Power suggestion turns out to be close to the mark.
I have noticed that the card access door is a little iffy. It
sometimes pops open, so I have kept it closed with tape. No problem.
However, when it flexes away from the little switch, power is
interrupted momentarily. It comes back immediately, but could well
interfere with writing a file.
Thanks.
I'll try forcing the swich closed and see if that works.
Thanks,
Dave
Alan Meyer wrote:
> Dave Huber wrote:
> > ...
> > After about 18 months without problems, I started experiencing loss of
> > files. The camera sometimes reports: "Corrupted Data". Sometimes it
> > does not report an error. Files cannot be retrieved with a USB reader.
> > ...
>
> Bill's idea of reformatting the card is a good one.
> I agree with trying that.
>
> I'm not an expert, but I guess that battery problems are
> another possible cause of lost images. Maybe you're
> battery is not putting out the same voltage it did when
> it was new, or maybe the contacts between battery and
> camera, or between camera and card are dirty. If the
> voltage is near the threshold of what is needed to write
> a clean signal on the card, maybe some of the bits are
> not being recorded right and parity check failures are
> occurring.
>
> If you've got a voltmeter you may be able to compare the
> reading of the battery to what the specs say, though
> you can't really get an accurate reading unless you
> test it under load. I'm not sure how to do that. Some
> others on the group can probably tell you.
>
> Alan >> Stay informed about: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? |
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External
Since: Mar 28, 2006
Posts: 95
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(Msg. 4) Posted: Thu Oct 12, 2006 2:35 pm
Post subject: Re: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Dave Huber" <dave.huber RemoveThis @gmail.com> wrote in message
news:1160671097.316571.68590@e3g2000cwe.googlegroups.com...
> Greetings:
>
> I have a Canon PowerShot S400 with a Lexar Compact Flas 256MB (12x)
> card.
> I am aware of Lexar problems with SOME Canon Cameras, but have not seen
> information on THIS camera.
[clipped]
Have you tried re-formatting the card while it's in the camera? If the card
turns out to be bad, Lexar has a good warranty.
Bill Crocker >> Stay informed about: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? |
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External
Since: Jul 22, 2006
Posts: 611
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(Msg. 5) Posted: Thu Oct 12, 2006 2:55 pm
Post subject: Re: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Dave Huber" <dave.huber.TakeThisOut@gmail.com> wrote in message
news:1160671097.316571.68590@e3g2000cwe.googlegroups.com...
> Greetings:
>
> I have a Canon PowerShot S400 with a Lexar Compact Flas 256MB (12x)
> card.
> I am aware of Lexar problems with SOME Canon Cameras, but have not seen
> information on THIS camera.
>
> I am trying to determine if Camera or Card is to blame for the
> following:
>
> After about 18 months without problems, I started experiencing loss of
> files. The camera sometimes reports: "Corrupted Data". Sometimes it
> does not report an error. Files cannot be retrieved with a USB reader.
>
> I WAS able to retrieve some with ZAR 8.0, which did a great job where
> other attempts failed.
>
> Symptoms:
> Some files are fine.
> Some files disappear altogether.
> Some files' thumbnails look fine, File is completely black.
> some files have about 1/16th at top ok then black or random colors.
> some files appear rearranged and rotated, like a puzzle.
>
> Any ideas or experience would be appreciated. I am planning a trip and
> need to decide whether the Card or Camera is to blame. I'd hate to
> scrap the camera if the card is the culprit. I'd hate to go on a trip
> with the camera acting this way.
>
>
> Thanks for your help or input.
>
>
> Dave
>
Buy another Card, from Sandisc, or whoever, not Lexar, take some photos
with the new card in, and see if they are all Ok. Cards are cheap, very
cheap, at the moment.
If they are, your problem is solved.
If not it is the Camera. Just ensure you replace it with one which takes
the same kind of card, and you will also have increased your storage
capacity.
Roy G >> Stay informed about: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? |
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External
Since: Oct 17, 2005
Posts: 35
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(Msg. 6) Posted: Thu Oct 12, 2006 3:55 pm
Post subject: Re: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <1160671097.316571.68590.RemoveThis@e3g2000cwe.googlegroups.com>, "Dave Huber" <dave.huber.RemoveThis@gmail.com> wrote:
>Greetings:
>
>I have a Canon PowerShot S400 with a Lexar Compact Flas 256MB (12x)
>card.
>I am aware of Lexar problems with SOME Canon Cameras, but have not seen
>information on THIS camera.
>
>I am trying to determine if Camera or Card is to blame for the
>following:
>
>After about 18 months without problems, I started experiencing loss of
>files. The camera sometimes reports: "Corrupted Data". Sometimes it
>does not report an error. Files cannot be retrieved with a USB reader.
>
>I WAS able to retrieve some with ZAR 8.0, which did a great job where
>other attempts failed.
>
>Symptoms:
>Some files are fine.
>Some files disappear altogether.
>Some files' thumbnails look fine, File is completely black.
>some files have about 1/16th at top ok then black or random colors.
>some files appear rearranged and rotated, like a puzzle.
>
>Any ideas or experience would be appreciated. I am planning a trip and
>need to decide whether the Card or Camera is to blame. I'd hate to
>scrap the camera if the card is the culprit. I'd hate to go on a trip
>with the camera acting this way.
I don't like using more than a 32 MB card. I have lost pictures myself.
Its a bit easier now than a few years ago. I was trying to see if the files were
still good, as the camera could not read the card. No stores had card readers
then. When I got back home the card reader did OK but the camera could not
read the card. Its happened to me more than once.
greg >> Stay informed about: Canon Powershot S400 Corrupt Files. Blame camera or CF Card? |
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