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Cyclic Redundancy Check |
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Error Base Best viewed on 1024x768 and higher resolutions. Readable on lower resolutions. |
Symptoms: "Cyclic Redundancy Check" message appears when attempting to copy from a CD/DVD. Description: An error occurs when attempting to copy the data. This may be that the data is damaged or that the drive cannot read the information on the media properly. Tested Solutions: Before trying to find the solution to the problem, you need to answer a few questions as to what it is you are reading:
Is the file large? A large file can use a lot of resources to copy onto your hard disk. In this case, though this error should not appear in this situation, it may simply be that your system doesn't have the necessary resources to handle the copy. Did you burn the CD/DVD yourself? If you have burnt the CD or DVD yourself, it is possible that the burning process was corrupt. If this is the case, it is possible that burning the media again will solve the problem. Is the media physically damaged? If you can see that the disc itself is scratched or even cracked (you should never put a cracked disc in your drive as the integrity of the disc can cause it to shatter) then the data on the disc is most likely corrupt. It is possible to copy the file even if it is corrupt, though you will need some third party software to do this. If the above questions do not solve your problem, then below are a few other things you can do to test your disc or drive.
1. Clean the media A dirty disc can cause the drive to read the disc incorrectly. This can result in an inability to copy data or read the disc at all. To clean your media, you should never wipe a cloth or anything else over the bottom side of the disc. Only a commercial CD cleaner should be used, just follow the directions that come with it. 2. Reinsert the media Often all that needs to be done is to reinsert the disc for the system to recognise it properly. This can save a lot of time spent on copying "corrupt" data and discovering later that the information stored was in actual fact readable. Often cleaning it as above is required for this method to work. 3. Clean the laser lens A laser lens cleaner can be purchased at most electronics or computer stores. These are just CD's that will be read by your system and clean the lens as they spin (most have a small brush of sorts on them). 4. Read the media in another drive If the drive you are using still does not read the media, then it is possible that it may be the drive having issues. Testing the media in a secondary disc drive will tell you if the media or the drive are having problems. If nothing above solves the problem, then it may be that your hardware is damaged. If you are burning an image file, then it may be that there is burn prevention software present in the image and will therefore not allow you to burn a safe copy. |
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Disclaimer: WE DO NOT SUGGEST IN ANY WAY THAT THE SOLUTIONS LISTED HERE WILL BE SAFE OR WORKING IN ALL CASES. THIS IS JUST A GUIDELINE, USE AT YOUR OWN RISK. |