How to fix Data Error Cyclic Redundancy Check (CRC)

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Cyclic Redundancy Check (CRC) error can be caused by different issues. These issues could be: registry corruption, unsuccessful program installation, misconfigured files, cluttered hard disk etc. Whenever there is a bad spot on the media of the hard disk, CRC error occurs and this error prevents us from accessing hard drive data. It is used by systems/computers to check the data on the hard drive and optical disks such as CDs and DVDs.


Does not matter whatever the cause, Data error CRC is a serious problem and must be fixed to avoid any data loss or system failure.

Possible ways to fix CRC (Cyclic Redundancy Check) error

There is a manual Procedure which can be used to resolve/fix Drive is not accessible, Data Error (Cyclic Redundancy Check).

Procedure 1: By utilizing In-Built Windows (CHKDSK) Utility

CHKDSK is an In-Built Windows utility and has the ability to find as well as repair corrupt files.



  • First right click on the drive that you want to check.
  • Click on Properties, and select Tools, then click on Check option.
  • After clicking on the Check button, a dialogue box will appear from which you select the option to start the scanning process.

check start

  • Now, wait for the scan process to complete as it will take few minutes. But if time taking is too long it means the error is huge and unrepairable. Again a dialogue box will appear when CRC error is not found.


Procedure 2

If the above-mentioned procedure doesn’t work then, there is another alternate method to fix CRC error by using the command prompt.

CHKDSK is a command that can run in the command prompt. The user must be an administrator of the system if he wants to run CHKDSK command on the system. Below are the steps to run CHKDSK command in the command prompt.

Step 1: In the Start Menu, type command prompt or cmd.


Step 2:  In the command prompt, type the command chkdsk/f x:

Note: Here in the place of letter x which is a variable, you have to enter the name of the drive which you want to be checked. This command is generally used for basic Scan and detecting small errors and is faster than advanced scan.


Step 3: If you want to do advanced Scan, then in the command prompt type chkdsk/r x:. Here x is the letter name of the drive. This method takes more time for the scanning process. So, wait for the scanning process to complete. After the completion of the process, a report will be generated by CHKDSK. Again, restart your system as soon as the report is generated. However, if the CRC error is not fixed then you should definitely try the below-given method.

Use of professional solution to fix CRC error

Most of the time manual method is not capable to fix CRC error and use of third party tool becomes essential. There are many tools available and one of them is Windows Data Recovery Tool. This unique software is embedded with an advanced feature which helps the user to repair, recover and restore lost and deleted files without putting much effort. Its GUI is very easy-to-use and even a novice user can use it without any technical knowledge.


Final Words

Overall it can be concluded that Cyclic Redundancy Check (CRC) error is a threat which is needed to be fixed. The user can choose any of the methods mentioned above in order to repair and recover the CRC error.

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