Truncated files?

M
Posted By
marionbabich
May 13, 2004
Views
2408
Replies
15
Status
Closed
This just started. I save photos from a compact flash to my hard drive. Been doing this for years,then open them in photoshop cs. Every once in awhile I get an error message when opening a file that it says it is truncated and sometimes half of it is black or not at all sometimes. This has happened on different CF cards too if that makes a difference. My question is, what happens to a file when it is truncated and what causes it?

Thank you in advance,
Marion

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MM
Mac_McDougald
May 13, 2004
It’s a bad write or bad transfer.
Since you’re getting them regularly, better run full scandisk, including surface check to make sure you’ve not developed some bad sectors in the drive.
If not, something may be going south with your
– camera?
– card reader?
You didn’t say how your were transferring the files.

Mac
M
marionbabich
May 13, 2004
I will run the scandisk. This is happening with two different cameras, different CF cards and different computers. Both computer were just upgraded within the last 4 months. AMD 64 2800+, Intel 3.0 both with 1gb of ram

Marion
MM
Mac_McDougald
May 13, 2004
Weird. Doesn’t seem to be a constant here.

Card reader is generally agreed upon as the safest and most reliable way to read/transfer files from camera cards, btw.

Mac
DM
dave_milbut
May 13, 2004
Card reader is generally agreed upon as the safest and most reliable way to read/transfer files from camera cards, btw.

by whom? i much prefer NOT removing the card from my camera each time i want to transfer pictures. the less handling of the actual memory media the better. i have a cable to do a direct usb connection to my camera.
MM
Mac_McDougald
May 14, 2004
by whom?

By most everyone else 🙂

If you lose power during tranfer can corrupt the images and/or the card. Can even damage the camera’s firmware in rare instances.

Plus I use CF cards for transferring all kinds of files back and forth between laptop – card reader is also a writer.

But whatever you like…

Mac
DM
dave_milbut
May 14, 2004
By most everyone else

bah! 🙂
M
marionbabich
May 14, 2004
Dave, why do I get a truncated error sometimes? This hasn’t happened in quite some time and now I get 3 on one photo session. Three out of 110 shots taken. I’m hoping this is not going to be an on going thing.

Marion
DM
dave_milbut
May 14, 2004
as was said above, could be hard drives or the media itself going bad. all 3 in the same session? could the camera or cards have passed through a heavy magnetic field or something? (airport x-ray, giant Van Halen-like Sub Woofers, etc.)
M
MervJones
May 14, 2004
Exactly the same problem used to occur with my JPEG files. In the end, on the advice of this board, I updated my Nividia Video driver, and the problem went away. Even the files that were previously "corrupt" came to life.
M
marionbabich
May 15, 2004
Tried formating the disk with no luck. When I view the disk in file browser the files look fine. It’s only when I open them in PS that the truncated error message comes up. I’m no way saying this is a PS problem. I’m just trying to figure out why this happens. For the record the file is truncated when opened in Painter8 directly from the CF card also.

Marion
M
marionbabich
May 15, 2004
Tried formating the cf card with no luck. The funny thing is the files look fine in file browser. Only when I open them do I get the truncated error. I’m not saying this ia a PS thing. It does also does it in Painter 8 reading directly from the cf card.

Marion
M
MervJones
May 15, 2004
What video card do you have?

In a previous reply, I confirmed that the same happened to me. I was getting several corrupt files on opening them in any application (luckily I had backups) Once, I copied a set onto a CF card to be printed, but when I returned to the originals on the PC, they were corrupt, and I had not touched them since the copy to CF card. The copies on the CF card were perfect. I was told to check my video drivers, and Nividia had placed a new set of drivers on their web site. I downloaded them, and, hey presto, even the "corrupted" ones were good.

So check for the latest drivers, as it will probably solve your problem.
M
marionbabich
May 15, 2004
Why is it that in file browser the files look fine. It’s only when I open them that the truncated error shows up. I’m not saying this is a PS thing. It also does it in Painter 8 reading directly from the CF card.

Marion
M
marionbabich
May 15, 2004
Merv,
I have the gforce FX 5200 video card. This afternoon we had 3 photo sessions, over 400 shots and not one truncated or corrupted file. Go figure. Maybe it went away…

Marion
M
MervJones
May 17, 2004
You have the same video card that I have. Sometimes I didn’t get any corruption either. I would still go out there and get the new drivers – it won’t hurt.

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