> How to > Partition Manager > How to fix Data Error Cyclic Redundancy Check problem on external hard drive

How to fix Data Error Cyclic Redundancy Check problem on external hard drive

Updated on Dec 05, 2018 by Abby Haines to Partition Manager

Summary:
Cannot open external hard drive or SD card because of 'Data Error Cyclic Redundancy Check' issue? This page tells you how to fix the problem and recover your data in Windows 10/8/7. Just try the tutorials to regain access to your device and data.

Sometimes, when you plug in your external hard drive, SD card or some other USB devices to PC and try to open it to view or copy your data on the device, you may get the message 'Location is not accessible. Data Error Cyclic Redundancy Check'. And also you might also be asked to format the disk because the external hard drive has become RAW. Compared with an external hard drive with other brands, this issue seems to be much more severe on Seagate external hard drive and Western Digital external hard drive.

How to fix 'Data Error Cyclic Redundancy Check' error in Windows 10/8/7

While being prevented from accessing your external hard drive and data, you just want to figure out how to fix the 'Data Error Cyclic Redundancy Check' problem to retrieve your files. As we know, at most times, the issue is caused by a number of small errors or file corruptions on a hard disk. So, to fix it, you just need to repair hard drive using EaseUS partition software. Coming with disk check feature, the program can help you check hard drive for errors and repair the disk for reuse. 

Download Now

 Windows 10 is supported

Check Hard Drive for Errors to Fix 'Data Error Cyclic Redundancy Check' Problem

 

Step 1: Open EaseUS Partition Master on your computer. Then locate the disk, right-click the partition you want to check, and choose "Check File System".

Check Partition - Step 1

Step 2: In the Check File System window, keep the "Try to fix errors if found" option selected and click "Start".

Check Partition - Step 2

Step 3: The software will begin checking your partition file system on your disk. When it has completed, click "Finish".

Check Partition - Step 3
Download Now

 Windows 10 is supported

Recover Files from RAW External Hard Drive Shows 'Data Error Cyclic Redundancy Check' Error

And if the 'Data Error Cyclic Redundancy Check' problem occurs because the external hard drive has become RAW, you can run EaseUS disk data recovery which works well in RAW drive recovery to retrieve your data first and then format the disk to repair it for reuse. 

Step 1: Connect the external hard drive, SD card or other USB devices to PC, download and launch EaseUS disk data recovery, select the device and click "Scan" button.

Step 2: The software will soon start the scan to find the lost & existing data on the disk. 

Step 3: After the scan, preview and choose the files you want to recover. Finally, click "Recover" button to export and save them on another external memory device.