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CD problem....my project under threat


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#1 jose_007

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Posted 03 May 2010 - 02:08 AM

Sirs,
I had burnt many important files of my project on a CD 3 days back.But today when I tried to access the files it showed the message "data error cyclic redundancy check "

I am not new to this message ,but this time I have lost important files.....

Is there some method to recover them ???

Jose

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#2 hamluis

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Posted 03 May 2010 - 11:47 AM

You can try cleaning the CD to make it possibly more readable.

Plain water, soft cotton cloth...rub straight across the disk, do not use circular/oval drying patterns.

Louis

#3 jose_007

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Posted 03 May 2010 - 09:02 PM

Hamluis,
First of all thanks for replying.
I have already cleaned the CD wsing plain cloth,but of no use.

Is some software available to recover data in most efficient manner ?

Thanks
Jose

#4 hamluis

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Posted 05 May 2010 - 02:08 PM

You can always try...burning a new copy of the CD...from the old (if not already attempted).

And...check the connections on the optical drive and/or try an optical drive on a different system.

Louis

#5 jose_007

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Posted 05 May 2010 - 10:10 PM

You can always try...burning a new copy of the CD...from the old (if not already attempted).



Can you elaborate please

#6 hamluis

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Posted 06 May 2010 - 02:51 PM

Go to another system with an optical drive...burn a copy of the unreadable CD.

Just because your system can't read it...that doesn't mean that another system/drive won't be able to read the burned disc.

You haven't refined the problem enough to determine whether it's the disc or your system that is the major player in the inability to read.

Louis

#7 jose_007

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Posted 06 May 2010 - 09:08 PM

Ok..

You haven't refined the problem enough to determine whether it's the disc or your system that is the major player in the inability to read.


I dont think system has any problem.

#8 hamluis

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Posted 08 May 2010 - 10:48 AM

I should have said "optical drive" rather than "your system".

A read failure...which is what cyclic redundancy error is when dealing with discs and optical drives...means something may be wrong with the disc or with the optical drive.

Just one more reason to try a different drive/different system to refine the problem. If a different system/drive cannot read the disc...and the disc is properly closed...then it's the disc. If a different drive/system can read with no problem, it may be your optical drive, cable, etc.

That's how I see it :thumbsup:.

Louis

#9 jose_007

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Posted 08 May 2010 - 12:29 PM

hamluis
Tried the disc on 2 other PCs....same error there too...

Any escape route now ?????

I need data back by monday

Jose

#10 hamluis

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Posted 08 May 2010 - 12:58 PM

Google List

I've never tried any of these sorts of things...I don't save much to CD/DVD, trusting hard drives more and I expect burned CDs to possibly have problems with data retrieval (I don't store/care for them as particularly valuable commodities would be).

But there appears to be a number of alternatives purporting to facilitate recovery of data.

Louis




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