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Donate: Subscribe to this YouTube channel: http://www.youtube.com/subscriptioncente. Check the Cause. To resolve this issue, check your CD/DVD or hard disk for errors and re-form your personal folder. Microsoft has confirmed that this is an issue in the Microsoft devices that are listed in the applies to section. CRC errors happen when there's a bad spot on the media of your hard disk. Data recovery and disk repair are often possible with the right tools - but you won't need them if you have a backup.
Position: How Tos - Disk Utilities - Fixed: Data Error Cyclic Redundancy Check (CRC)
Summary
In this article, we are going to talk about cyclic redundancy check data error, including symptom, causes and ways to fix it without data loss. Most times, data error cyclic redundancy check error means there is something wrong with the files or storage devices, for it prevents you from accessing files on hard drive, external hard drive, memory cards and other devices. Check out solutions in this page to recover lost files and fix the CRC error easily and safely.
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What does data error cyclic redundancy check (CRC) mean?
'Hi, the internal hard drive of my laptop gets the CRC error. There two disks in the laptop: a 256GB SSD for Windows 10 and a 1TB hard disk to store files. Everything went well until recently I started to get errors when try to open one of the partitions. It prompts the partition is not accessible and I need to format it before I can use it. However, when I click cancelled it, another error appeared – data error (cyclic redundancy check). Does that mean the disk has bad sectors? It is acceptable to replace it with a new one, and yet I do not want to lose all files on the hard drive. I need your suggestions to either get the error fixed or retrieve files to a secure place. Thank you very much!'
What is a CRC (Cyclic Redundancy Check) error? A CRC error is an error-detecting code / data verification method used for data verification. You may get this error during accessing files on hard drive or external disks. It is recommended to attach great importance to this error, for it usually indicates that there might be something wrong with the disk or data. What should you do when encountering CRC errors? Backup or retrieve important files first! A cyclic redundancy check data error might be the sign of a failing hard drive, for example bad sectors. Moreover, the disk may turn to inaccessible or develop more severe problems. Hence, you should first make sure important files get backed up or rescued. As long as files are secure you can either try any repairing solutions or replace the disk with a new one.
Possible causes of cyclic redundancy check error
Various factors can result in the CRC error on hard drive and other storage devices. It is helpful to learn what causes the error when you want to fix it on your computer. Here we list the most common causes:
- Sudden power failure: Operating system suddenly shut down due to power failure or improper removal of USB disk, especially when operating system is reading / writing data to the drive. Hard drive platters rotate in high-speed and heads stays in difference locations over platters to read or write data. When computer / hard drive gets a sudden power failure, heads will be forced to get back in situ. During this process, hard drive heads may scratch the disk and lead to bad sectors.
- Virus attack: virus and malware can cause various issues to system and storage devices, including damage hard disk. So, it is necessary to enable Windows Defender or install third-party antivirus software to protect your data.
- Over-aging: hard drive and other storage devices have an expected life span. Components of an old hard drive may have been aged seriously, and bad sectors are likely to develop.
- Knocking or dropping: Hard drives are not shock resistant and they seem to be venerable to shocking, knocking, shaking and things like that. Such damage usually causes severe physical bad sectors, and you will have to send the drive to a professional recovery center to get back lost files.
- Working environment is not suitable: hard drives cannot keep working well if the working environment is not temperate, for example overheating, dust, etc.
How to recover data from drive with cyclic redundancy check error?
Prior to repairing the data error, you may need to recover data from hard drive to make sure that important files won't get further damaged. Please note that if your disk contains too many physical damages, recovery software won't works as expected, and you may need to send it to professional data recovery center that have data recovery machines and dust-free labs. In this part, you'll learn how to recover data from disk with cyclic redundancy check error using DiskGenius.
DiskGenius is a powerful data recovery tool which supports to retrieve lost files, photos, documents, videos, music, emails and so on from inaccessible hard disk, external hard drive, memory card, USB flash drive, virtual disk, etc. It also supports to image disk, copy sectors or clone partition sector by sector, which is helpful to deal with drives with bad sectors.
Step 1 Launch DiskGenius from your computer, and you can select the corrupted drive and click File Recovery button. Click Start button from the pop-up window to start the scanning process.
You can also click Select File Types button to specify file types for deep scanning process. It's OK even though you cannot find needed file types here, for the complete scanning does not set limitation on file types.
Step 2 Wait for the scanning process to complete.
Users are allowed to pause or stop scanning process anytime as long as needed files are shown in scanning process.
Step 3 Preview files to verify recovery quality.
You can view all found files to check if need files are displayed and you can also double click a file to open it from a pop-up window to view file content. The finial recovery result does not differ from the scanning result; thus it is recommended to preview files carefully. Jayam manadera audio songs.
Step 4 Copy files to a secure location: choose needed file, right-click on selected data and choose Copy To option.
You should copy file to a partition which is different from the one being recovered files, otherwise you will overwrite lost files.
Tip: There is possibility that lost file scanning process may stick to somewhere or the scanning process is extremely slow due to bad sectors. On this occasion, you can try imaging the disk, and then recover files from the image without scanning original device. How to create the image? DiskGenius Professional edition provides the function.
Launch DiskGenius Professional Edition and click Tools menu to select Copy Sectors option, as below:
Select source disk and target disk and click Copy button. The target disk should be equal to or larger than the source disk. The imaging process may take long time if the disk has large space to image, or there are too many bad sectors. Please wait with patience.
How to fix cyclic redundancy check (CRC)?
There might be a variety of methods to fix cyclic redundancy check (CRC) error, for causes of this error differ from one to another. This section outlines three most commonly used methods and we hope they work on your drive. If your disk is no longer repairable by these methods, send it to a professional repair center.
Method 1: Fix CRC data error via CHKDSK
Step 1 Run Command Prompt as administrator.
Type cmd in the search box that is next to the Start menu, and you can see Command Prompt in searching result. Right-click on it and choose Run as administrator.
Step 2 Type command chkdsk X: /f in Command Prompt and press Enter key.
X is the drive letter of corrupted drive, and you should replace with the correct letter.
When chkdsk completes, you need to shut down computer and reconnect the disk, after which you can boot into Windows and check if the CRC data error is fixed.
Method 2: Fix CRC data error with SFC scan
SFC means system file checker and it is able to repair errors for Windows system files for example, registry files, Windows DLL files, etc. It works by way of looking for errors and replacing corrupted or damaged files with new ones. You can follow steps here to run an SFC scan.
Step 1 Connect the storage device that prompts CRC error and run Command Prompt as Administrator.
Step 2 In Command Prompt, type sfc/scannow and press Enter key.
Step 3 Restart your PC after the process finishes.
Method 3: Check and repair bad sectors using DiskGenius Free edition
DiskGenius Free edition includes the function of checking and repairing bad sectors for various storage devices, and you can try this function to verify health condition for your drive.
Step 1 Free download and launch DiskGenius Free edition on your computer. Right-click the drive you want to check bad sectors and select Verify Or Repair Bad Sectors, as follows.
Step 2 Click Start Verify button and DiskGenius Free starts to scan the drive.
Bad sector checking may take long time if the disk has very large space or the disk's speed is very slow; please close all programs that are using the disk and do not access the drive during the scanning.
Note:
- Bad sector checking is read-only process and some sectors may good to read but do not respond to write actions.
- If you want to check bad sectors for the disk where Windows is installed, then perform the task in Windows PE.
- Bad sector repairing process destroys files stored on or near bad sectors, and you should make sure important files have been backed up in advance.
- Not all bad sectors can be repaired by this function, for example physical bad sectors.
Data Error Cyclic Redundancy Check Torrent
Conclusion
The CRC data error can occur anytime, preventing you from accessing data from hard drive partition. Fortunately, you can follow guides in this article to get it fixed without losing data. Anyway, any one of us should backup files in regular to avoid the error as much as possible. Should you have any question or suggestion, do not hesitate to contact us.
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DiskGenius - A useful toolkit to recover data from corrupted drive, image disk, edit hex data, clone disk, etc.