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Stay calm if your computer prompts "Drive is not accessible. Data error (cyclic redundancy check)." With the Cyclic Redundancy Check Data Error, you can neither access files nor the storage device on your computer. To fix the CRC error, apply EaseUS data recovery software to restore all your lost files first. Then, repair your device work normally again with 5 solutions as shown below.
Applies to: Fix Data Error Cyclic Redundancy Check on the external hard drive, USB, SD card, and even HDD/SSDs in Windows.
On this page, you'll learn what is "Data error (cyclic redundancy check)" error, how to fix data CRC error on your device in 5 reliable ways.
|Workable Solutions||Step-by-step Troubleshooting|
|Fix 1. Fix Cyclic Redundancy Check Data Error via CHKDSK||CHKDSK can scan and repair file system corruption and bad sectors that cause the CRC error...Full steps|
|Fix 2. Fix CRC Data Error using Disk Check||Disk Check utility can also fix file system errors. Open File Explorer, find the inaccessible hard drive...Full steps|
|Fix 3. Remove CRC Error with System File Checker||System File Checker works to repair corrupted system files. Press Windows + R keys, type cmd...Full steps|
|Fix 4. Format the Inaccessible Device||If your device became RAW with a CRC device error, try formatting the hard drive to troubleshoot...Full steps|
|Fix 5. Look for Manual Repair||If the Cyclic Redundancy Check error can't be solved by using the disk repair tool. Use a manual repair...Full steps|
Overview: What Is Data Error Cyclic Redundancy Check (CRC)
# Definition: According to Microsoft, Data Error Cyclic Redundancy Check, known as CRC error, indicates the operating system has found a drive with bad sectors or some intermittent problem on your storage devices.
# Symptoms: With Cyclic Redundancy Check error, you'll receive pop-up error messages as shown below.
# Result: Storage devices that contain the CRC error will become inaccessible, unopenable, RAW, not initialized.
According to EaseUS data recovery experts, you should recover data first as some fixes may cause file loss. Follow to remove the CRC error on your own.
Reliable hard drive recovery software - EaseUS Data Recovery Wizard enables you to directly recover files from the Cyclic Redundancy Check error with its powerful data recovery features:
Follow the 3 steps to restore your data from the device with Cyclic Redundancy Check error:
Step 1. Scan the hard drive partition
Select the drive on your hard disk where you lost or deleted files. Click "Scan" and let EaseUS data recovery software scan for all lost data and files on the selected drive.
Step 2. Check the results
When the scan completes, you can apply the "Filter" feature or click the "Search files or folders" option to find the lost files on the hard drive.
Step 3. Restore lost hard drive data
Select wanted files that you lost on the drive and click "Recover" to save them to another location.
Remember to save the recovered files to another secure location other than the inaccessible device with CRC error.
Here we collected 5 practical methods that can fully help you fix the "Data error (cyclic redundancy check)" issue and make your storage devices function normally again.
The CHKDSK utility in Windows scans and repairs file system corruption and bad sectors that caused the cyclic redundancy check data error on your device.
Step 1. Press Windows + S keys, type cmd in the Search box.
Step 2. Right-click Command Prompt, and select "Run as Administrator".
Step 3. Type chkdsk F: /f or chkdsk F: /f /r /x in Diskpart and hit Enter.
Replace 'F:' with the drive letter of your hard drive with the Cyclic Redundancy Check error.
Step 4. When the scan completes, type exit and hit Enter to close the window.
After this, you can restart the computer and see if your device is accessible and workable now.
The Disk Check utility in Windows can also help to fix file system errors that caused your device inaccessible with a Cyclic Redundancy Check error. Here are the steps that you can apply to fix the CRC error from your drive:
Step 1. On Windows File Explorer, right-click the inaccessible hard drive or device, choose "Properties".
Step 2. Under the Tools tab, click "Check" in the Error-checking section.
Step 3. Choose "Scan drive" or "Repair drive" if errors were found.
When the scanning finishes, restart the computer and check if you can reopen the device and use the saved data again.
The other Windows built-in tool - System File Checker sometimes also works to repair the missing or corrupted system files on your computer. You can also apply it to fix the cyclic redundancy error resulted from system file corruption.
Step 1. Press Windows + R keys, type cmd in the Run dialog, and click "OK".
Step 2. Type DISM.exe /Online /Cleanup-image /Restorehealth and hit Enter.
This will make a Windows image to protect your data.
Step 3. When the DISM command completes, type sfc /scannow and hit Enter.
Step 4. Wait for the process to completes, then type exit and hit Enter to close it.
After this, restart your computer and then you can reopen the device and make use of the saved data again.
If your device became RAW or still has CRC device error after trying the above fixes, the last effective DIY method you can try is to format the drive. By resetting the file system to a readable format, the CRC error can be fixed. Here are the steps for you to go:
Step 1. Press "Windows key + E" to open Windows Explorer.
Step 2. Right-click on the problematic device with CRC error and select "Format".
Step 3. Select a suitable file system - NTFS or FAT32 for your device.
(NTFS for hard drive or external device; FAT32 for SD card for USB - 32GB or smaller.)
Step 4. Check "Quick Format" and click "Start".
If none of the fixes works, you can send your hard drive for a repair at a local disk repair center or the device manufacturer's after-sales service center.
Here we have an alternative solution for you - EaseUS Manual Data Recovery Service. Our professional tech support team will help you remove "Data error cyclic redundancy check" error from your device and fix the drive work again remotely.
EaseUS Data Recovery ServicesClick here to contact our experts and get the answers
Consult with EaseUS Data Recovery Experts for one-on-one manual recovery service. We could offer the following services after FREE diagnosis
Hope as least one of the solutions above can help you fix the error.
The "Data Error Cyclic Redundancy Check" error could be caused by the following reasons:
Generally, when you receive the error message 'data error (cyclic redundancy check)', there is something wrong with the files or the hard drive. Therefore, it's important that you recover saved data from the problematic device first before you start fixing the issue.
On this page, we offered a complete guide with 5 practical ways to show you how to fix this issue without losing any data. We also explained the causes of this error.
If you have precious files on your drive, remember to run EaseUS data recovery software to scan and find your file first. Then run the fixes on this page to remove this error and make your drive work normally again.
Don't forget to create a full backup of all your important data. Stop using your device when the CRC error pops up, follow the solutions on this page to recover data and fix your drive to work again.