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Thread: Cyclic Redundancy Check

  1. #1
    Senior Member
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    Default Cyclic Redundancy Check

    I have a few backup DVD from last year, when I wanted to copy the files back to my laptop, it shows Data Error - Cyclic Redundancy Check.
    Anyone know how to recover from this error? Appreciate any help.

  2. #2
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    Default Re: Cyclic Redundancy Check

    did you ever retrieve the same file before?

  3. #3

    Default Re: Cyclic Redundancy Check

    i think it is due to some bad burning. good news is that not all of your files are gone. if it contains a movie file you can try to use nero software and copy the file and skip at the portion the cyclic error occurs. You may also try to google the UltraISO software and read the forums. my .1 cents..

  4. #4
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    Default Re: Cyclic Redundancy Check

    Thanks for reply, these are not movie files, these are backup files for my Lotus Notes emails, each backup file is about 1GB-1.5GB size. When I copy the file back to my laptop, it always stuck at the last 30-60 seconds, and report DATA ERROR - CRC.
    Is there any way to bypass the CRC check?

  5. #5
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    Default Re: Cyclic Redundancy Check

    if you've never been successful in copying the file, most likely it corrupted during the writing process and no longer retrievable.

  6. #6
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    Default Re: Cyclic Redundancy Check

    try using other machines or dvd drives first, if 2 or more other machine also cannot read, then probably bad dvd.

  7. #7
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    Default Re: Cyclic Redundancy Check

    I have similar encounter before. Believe is the DVD writer problem.

  8. #8

    Default Re: Cyclic Redundancy Check

    is it a notes archive (NSF) file? if it is try opening the file in your notes and then try this: File->database->New Copy. You save a new copy of the db at your hdd.

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