How to fix "Drive not accessible, the disk structure is corrupted and unreadable" error?

Updated by Tim to Data Recovery Tips on April 25th, 2019

F drive is not accessible, disk structure is corrupted and unreadable? I want to get data back from F drive, please tell me how to fix this error? Thanks.

It frequently occurred that the drive can’t be opened and reports the error like “Drive is not accessible, the disk structure is corrupted and unreadable.”

Drive is not accessible, the disk structure is corrupted and unreadable

"Drive not accessible, the disk structure is corrupted and unreadable" is a hard drive issue that happens when operating system tries to access a partition that has a corrupted or unreadable disk structure, thus resulting in a failed attempt to access it. Normally, this error message can be caused by corrupt Master File Table (MFT).

When encountering "Drive not accessible, the disk structure is corrupted and unreadable", how to solve it and get data back from this inaccessible drive?

There are 4 solutions to solve "Drive not accessible, the disk structure is corrupted and unreadable":

Solution 1: Check hard drive for errors

When encountering "Drive not accessible, the disk structure is corrupted and unreadable", the first method we can have a try is to check and repair file system. Here are two ways to do this job:

1. Run CHKDSK.

CHKDSK is a Windows tool that can scan the integrity of the file system & file system metadata on a disk volume and fix any logical file system errors that it finds.

Running the Check Disk tool from the Windows desktop is easy. In My Computer or This PC, right-click the drive you want to check, and then choose "Properties". In the properties window, switch to the "Tools" tab and then click the "Check" button.

2. Run iBoysoft Data Recovery.

iBoysoft Data Recovery is the professional data recovery software that can fix "Drive not accessible, the disk structure is corrupted and unreadable" issue caused by corrupt file system.

Step 1: Download, install and launch iBoysoft Data Recovery software on the computer.

Step 2: Choose RAW Drive Recovery module and then select the inaccessible drive.

Free data recovery software

Step 3: Click Next and iBoysoft Data Recovery is fixing the corrupted file system on the inaccessible drive.

Scan inaccessible drive

Step 4: Check the files in inaccessible partition before we fix it.

Recover data with iBoysoft Data Recovery

Step 5: Click "Fix Drive" to fix the inaccessible drive and get data back.

If the corrupted file system cannot be fixed (In other words, the damage to file system is serious), please switch to Data Recovery mode and recover lost data from inaccessible drive.

Solution 2: Uninstall and reinstall hard drive

In some situations, "Drive not accessible, the disk structure is corrupted and unreadable" can be caused by a simple hiccup or kink between the hardware (your hard drive) and the software that allows the Windows Operating System to communicate with the hardware. If that is the case, you should be able to fix the issue by simply uninstalling and then reinstalling your hard drive in the Device Manager.

Step 1: Right click My Computer or This PC on the desktop, then select Manage and then choose Device Manager to open the Device Manager app.

Step 2: Expand the disk drives section. Right click the problematic disk and click "Uninstall".

Step 3: Once the drive is uninstalled. Click on "Scan Hardware Changes", the last icon under the status bar. Wait for the uninstalled hard drive to be detected and reinstalled, and then restart your computer and see if the problem has been fixed when it boots up.

Solution 3: Recover lost data from inaccessible drive with corrupted & unreadable disk structure

The third solution can be tried is to use the professional data recovery software to recover lost data from inaccessible drive with corrupted & unreadable disk structure and then do reformatting on the inaccessible drive. Here we recommend using iBoysoft Data Recovery, an easy-to-use and free data recovery software that can recover lost data from formatted, RAW, inaccessible, corrupted, lost or deleted partition, etc.

Step 1: Download and install iBoysoft Data Recovery on your computer.

Step 2: Launch iBoysoft Data Recovery.

Step 3: Choose "Data Recovery" module.

Step 4: Select the inaccessible drive and click Next to scan the lost data.

Scan data from inaccessible drive

Step 5: Check the found files in inaccessible drive.

Recover lost data from inaccessible drive

Step 6: Choose the files you expect and then recover lost data from inaccessible drive.

Step 7: After data recovery from inaccessible drive is succeffully done, right click the inaccessible drive in My Computer or This PC and select "Format" to reformat it to NTFS/FAT32/exFAT file system, the inaccessible drive will be working again after the format completes.

Solution 4: Send the failed hard drive to a local data recovery service

If the above 3 solutions all fail to fix "Drive not accessible, the disk structure is corrupted and unreadable" issue, there is a possibility that the hard drive is no longer in health state, which means it is already failed or is failing, please send it to a local data recovery service for help.

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