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Cyclic Redundancy check

by Learner7 / July 2, 2006 11:38 PM PDT

I got the above message when I was trying to copy a file across to my hard drive. Can someone tell me what it means and if there is anything I can do about it please.

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Learner, More Information Please
by Grif Thomas Forum moderator / July 3, 2006 4:06 AM PDT

Are you trying to copy data from a CD/DVD to your hard drive or from something else..

The error you've listed is easily found by searching Google. In your case, it appears like the data on a CD/DVD has been corrupted. Data on formatted disks will occasionally throw that error.

For examples, see the link below:

http://www.softwarepatch.com/tips/cyclic-redundancy.html

Hope this helps.

Grif

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It means failure.
by strickjh2005 / July 3, 2006 6:13 AM PDT

Either the place from where you are copying it is going to be completely destroyed, or your hard drive is about to fail.

If its a floppy, then you have a dead floppy disk. If its a cd, the cd is scratched badly.

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You trying to rip a dvd that is produced...
by Art / July 3, 2006 6:14 PM PDT

with a dvd recorder?

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I believe it was
by Learner7 / July 3, 2006 8:11 PM PDT

The DVD came from a friend who uses (I think) some kind of DVD recorder to copy video Christian messages to send out. They are not copyrighted, I don't think he uses a computer to do it. He is not computer literate, (but I'm not much better!) But I have found the same problem. I bought a DVD recorded+Video, and they won't play on the computer, only on the machine they were recorded on. And I was trying to copy his DVD on my computer. Some of the files are OK and play and copy, but just this one failed.

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That's what I thought.
by Art / July 4, 2006 12:10 AM PDT
In reply to: I believe it was

It's been my experience that a muti-session recorded dvd will do that but it should still PLAY with most dvd player though (not just the recorder). I usually just re-record into a single session dvd. However, there maybe software out there that can take care of this problem (that I am not familiar with).

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Forgot this little bit of info...
by Art / July 4, 2006 12:24 AM PDT
In reply to: That's what I thought.

After I make a single session then I can make backup copy using "dvdshrink". A little bit involved but it can be done.

If you are going to try it, do it with RW dvd first. Good luck.

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DVD Shrink
by Learner7 / July 4, 2006 4:14 AM PDT

I do have that program on my computer, but haven't the faintest idea to use it, its probably beyond me, I don't even know how or why I have it!!
Also I don't understand 'single session' against multi session, or how I can select one or the other. I have two programs, Nero and Recordnow Max. If one won't work I use the other one.

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What I was talking about only applied only to...
by Art / July 4, 2006 5:02 PM PDT
In reply to: DVD Shrink

stand-alone recorder; or maybe just the one I have (AdjureDigital).First of all the format it use is not the same as the commercial dvd that you get from the store.

As for session type, I was just referring to dvd that was recorded with stand-alone dvd recorder only (not burned from a computer).

question; Are you able to play this dvd at all, either on the computer or stand-alone dvd player? If it play then you can tell whether it's single or multisession. If it doesn't play, then you might have a corrupted dvd.

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Stand alone recorder
by Learner7 / July 4, 2006 7:37 PM PDT

Yes, the DVD sent to me was copied on a stand alone recorder, that was the DVD with Cyclic problem. And he is sending me another one.
The one I copied on a Toshiba stand alone recorder won't play on the computer, but when I put it back in the Toshiba it plays OK, so I think there is something I must have missed. I wanted to make a few copies to send to friends, but know some of them only use their computers, that's why I tried it to see if it would play on mine!
Thank you for explaining the sessions to me.

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