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How to fix “file or directory is corrupted and unreadable” error

Summary: Recently, we’ve received many complains from various customers who were opening some files on their hard drive and finally the action was blocked due to a Windows prompt: “file or directory is corrupted and unreadable”. Here in this article, we’ll introduce you the best way to solve this issue.
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Error: The File or Directory is Corrupted and Unreadable

Sometimes, when you plugged in an external hard drive, USB flash drive, SD card or some other storage devices into your computer runs Windows, the operation system prompts error message: "Drive H:\ is not accessible. The file or directory is corrupted and unreadable."
If you check the file system of the USB drive, you are likely to find that it is RAW file system. It means the drive is just manufactured and hasn't been formatted, while you know things should not be like this, for the last time you used the USB drive, it was in normal state. So what caused this error message? And how to solve this issue?
When "The file or directory is corrupted and unreadable" message happens, you cannot access your device and might end up with huge data loss at most times. To avoid the disaster, next, we will show you how to restore it data and how to fix the error with 3 simple steps.

How to restore unreadable data from raw partition

To get the data back from RAW partition back, we recommend you a best free data recovery software - Bitwar Data Recovery, It is a powerful, reliable and easiest free data recovery tool that supports you recover data from all data loss problems, for example, restoring data from lost, missing, or raw partitions/devices.

Guides to recover raw data with Bitwar Data Recovery Software

Download and install Bitwar data recovery on your computer, then follow the guides to recover data from the raw partition.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download

Step 1. Select the raw partition or device

Launch Bitwar Data Recovery software on your windows. Select the raw partition or devices which file type appears RAW and click "Next".
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Step 2: Select the Scan Mode

You can choose “Quick Scan” mode to recover lost files. This mode can recover deleted and lost files on a partition or external storage device, such as files deleted by shift + delete or emptied from recycle bin. If files are not override by other data, files can be fully recovered.
If you cannot find files after Quick Scan, try Deep Scan again. The deep scan will search every sector of hard drive to find all existing files. But the scanning process will spend more time and will not have the original file name in the scanning results.
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Step 3: Select the file types

Select the file types you want on this page, you can also choose “Select All Types” to scan all files out. Then click “Next” to start scanning.
While scanning, the eligible files will be scanned one after another, you can pause and stop the scanning processes to preview the scanned files.
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Step 4: preview and recover lost files

After the scan, you can filter the files which you want by file name, type, path and time. Then preview them to make a selective recovery. Finally, select the files you want and click the "Recover" button to save it to another partition or external device.
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After following the above three steps, most files will be restored from raw partition with the help of Bitwar Data Recovery. Then you can reformat this raw partition.

Solutions to "The File or Directory is Corrupted and Unreadable"

Solution 1: Carry out Chkdsk to check and repair errors

Chkdsk.exe is a command-line tool offered by Windows to check and repair volume errors. How to carry out Chkdsk? Take Windows 10 for example.
Step 1: Run Command Prompt as administrator: click "Start" button and search for "Command Prompt", then right-click it and select "Run as administrator".
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Step 2: In the following message box, click "Yes" to allow it to change your computer.
Step 3: In the command prompt box, continue to type chkdsk /f h: and press Enter. H is the drive letter of the unreadable partition and it can be other drive letters according to your real situation. This takes some time to finish the process, and is largely related to the amount of files and folders on that partition, the read speed of the drive, the capacity of the volume, etc.
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Note: If you see the message "Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts?" you are expected to type "Y" and hit Enter key, and then restart your computer to resume the disk check.
Although Chkdsk is always the way that comes to mind at first time, it won't work in some cases, and sometimes it may leading to difficulty for file recovery. Thus you should recover data first.

Solution 2: Format the partition or volume in question

If files in the unreadable partition are not important to you or you have recovered them, then formatting is the easiest solution. Formatting process configures hard disk with new file system, after which the old and corrupted file system will be replaced. Take Format RAW Partition to NTFS as an example:
1. Open This PC/Computer > Find the RAW partition;
2. Right-click it by choosing Format > Select the file system - NTFS and rename it;
3. Click Start > OK.
After this, your raw partition has been converted to NTFS, then, you can reuse it again, such as save files to this new disk.

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