1 Fix CRC data error via CHKDSK



4. Which type of hard drive is the best?


Since Solid State Drives (SSDs) are newer and more advanced, they areconsidered better than HDDs. Not only are they faster, but they are also moresecure than a magnetic disk. This is because the data stored in an HDD can’tbe tampered with using a magnet. Also, its speed and overall performance arebetter than an HDD.* * *

Solution 1: Check System Errors


If a disk is not functioning in an ideal manner, then you should perform anautomatic system check. To do this, just right-click its icon and go to itsProperties. Under the Tools tab > Error Checking section, click on the “Check”button. Follow the simple on-screen instructions to resolve any system error.

Solution 2: Give your system a fresh start


This is relatively a newer feature that is available in Windows 8 and 10.Ideally, it is equivalent to resetting a computer and will automaticallyremove all the installed programs and applications from it. Simply go toWindows Settings > Windows Defender & Security Settings > Device Performanceand health. Go to the “Fresh Start” option here and get things started. Followa simple click-through process to reset your system and get rid of anymalicious entity.* * *

Disk Error 7. Corrupted Files


Corruption of system files usually occurs when the system shuts down suddenly,making it impossible for you to access your hard drive and thus your system.Some of the reasons for the corruption of the system files include powersurges, use of malicious programs, accidental closure of a running program,and improper shutting down of the PC.

1. Let your system rest


If your hard drive has been overheated, then this would most likely solve theproblem. Simply shut down your system and let it rest for a few minutes. Turnit on when the system is not heated and the surrounding area is wellventilated.

1. Check hard disk’s health regularly


A lot of users don’t know this, but you can check the health of a hard disk onWindows pretty easily. All you need to do is launch Command Prompt and enterthe “wmic” command. It stands for Windows Management Instrumentation Commandand will check the working of the disk. If the health is critical, then youcan take a backup of your data and perform different repairing steps.

4. Keep your system updated


If you don’t want to suffer from any compatibility issue or a malware attack,then make sure that you keep your system updated. It will install all theessential patch files and keep the drivers up to date.

What does data error cyclic redundancy check (CRC) mean?


“Hi, the internal hard drive of my laptop gets the CRC error. There two disksin 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 openone of the partitions. It prompts the partition is not accessible and I needto format it before I can use it. However, when I click cancelled it, anothererror appeared – data error (cyclic redundancy check). Does that mean the diskhas bad sectors? It is acceptable to replace it with a new one, and yet I donot want to lose all files on the hard drive. I need your suggestions toeither get the error fixed or retrieve files to a secure place. Thank you verymuch!”What is a CRC (Cyclic Redundancy Check) error? A CRC error is an error-detecting code / data verification method used for data verification. You mayget this error during accessing files on hard drive or external disks. It isrecommended to attach great importance to this error, for it usually indicatesthat there might be something wrong with the disk or data. What should you dowhen encountering CRC errors? Backup or retrieve important files first! Acyclic redundancy check data error might be the sign of a failing hard drive,for example bad sectors. Moreover, the disk may turn to inaccessible ordevelop more severe problems. Hence, you should first make sure importantfiles get backed up or rescued. As long as files are secure you can either tryany repairing solutions or replace the disk with a new one.

What causes data error cyclic redundancy check?


Various factors can result in the CRC error on hard drive and other storagedevices. It is helpful to learn what causes the error when you want to fix iton 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.

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 seeCommand Prompt in searching result. Right-click on it and choose Run asadministrator.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 thecorrect 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 isfixed.Method

2: Fix CRC data error with SFC scan


SFC means system file checker and it is able to repair errors for Windowssystem files for example, registry files, Windows DLL files, etc. It works byway of looking for errors and replacing corrupted or damaged files with newones. You can follow steps here to run an SFC scan.Step 1. Connect the storage device that prompts CRC error and run CommandPrompt as Administrator.Step 2. In Command Prompt, type sfc/scannow and press Enter key.Step 3. Restart your PC after the process finishes.Method

How to recover data from hard drive with cyclic redundancy check error?


Prior to repairing the data error, you may need to recover data from harddrive to make sure that important files won’t get further damaged. Please notethat if your disk contains too many physical damages, recovery software won’tworks as expected, and you may need to send it to professional data recoverycenter 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 errorusing DiskGenius.DiskGenius is a powerful data recovery tool which supports to retrieve lostfiles, photos, documents, videos, music, emails and so on from inaccessiblehard disk, external hard drive, memory card, USB flash drive, virtual disk,etc. It also supports to image disk, copy sectors or clone partition sector bysector, which is helpful to deal with drives with bad sectors.Step 1. Launch DiskGenius from your computer, and you can select the corrupteddrive and click File Recovery button. Click Start button from the pop-upwindow to start the scanning process.You can also click Select File Types button to specify file types for deepscanning 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 neededfiles 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 canalso 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 itis recommended to preview files carefully.Step 4. Copy files to a secure location: choose needed file, right-click onselected data and choose Copy To option.You should copy file to a partition which is different from the one beingrecovered files, otherwise you will overwrite lost files.Tip: There is possibility that lost file scanning process may stick tosomewhere or the scanning process is extremely slow due to bad sectors. Onthis occasion, you can try imaging the disk, and then recover files from theimage without scanning original device. How to create the image? DiskGeniusProfessional edition provides the function.Launch DiskGenius Professional Edition and click Tools menu to select CopySectors option, as below:Select source disk and target disk and click Copy button. The target diskshould be equal to or larger than the source disk. The imaging process maytake long time if the disk has large space to image, or there are too many badsectors. Please wait with patience.”

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