How to fix 'Drive not accessible, the parameter is incorrect' in Windows 10/8/7/XP and recover data?

Please tell me how to fix error: D drive is not accessible, the parameter is incorrect? I want to get data back from D drive, thanks.

It frequently occurred that the hard drive or external hard drive can’t be opened and reports the error like “Drive is not accessible. The parameter is incorrect.”

Drive is not accessible, the parameter is incorrect

Various reasons can cause "Drive not accessible, the parameter is incorrect".

  • Power failure for powered hard drive
  • Plug out external hard drive or removable device in an improper way
  • Virus attack
  • File system goes wrong, such as DBR, MFT, FAT.

When encountering "Drive not accessible, the parameter is incorrect", how to deal with this problem without losing any data in this partition?

Luckily, M3 Data Recovery is released to solve "Drive not accessible, the parameter is incorrect" issue, it is a professional data recovery software which provides RAW drive recovery module to fix inaccessible drive (Convert/change RAW file system to NTFS without formatting?) and Data Recovery module to recover data from inaccessible drive under Windows 10/8/7/Vista/XP and Windows Server 2012/2008/2003.

How to fix 'Drive not accessible, the parameter is incorrect" issue'?

There are two ways built-in M3 Data Recovery to solve "Drive not accessible, the parameter is incorrect" issue on hard drive, external hard drive, USB flash drive, memory card, SD card, etc. as long as the inaccessible drive is not physically damaged.

Solution 1: Recover data from inaccessible drive that is encrypted

If the inaccessible drive is Bitlocker encrypted, M3 Data Recovery provides Bitlocker Recovery module to recover data from Bitlocker encrypted drive, please refer to: How to recover data from inaccessible Bitlocker encrypted drive.

If the inaccessible drive is encrypted by other software, you need to unlock it and then recover data from inaccessible drive.

Solution 2: Fix "Drive not accessible, the parameter is incorrect" on hard drive, external hard drive, USB flash drive, memory card, SD card, etc.

Step 1: Download, install and launch M3 Data Recovery on the computer.

Inaccessible drive repair software

After launching M3 Data Recovery, please choose RAW Drive Recovery module, select the inaccessible drive and click Next to continue.

Step 2: M3 Data Recovery is checking and rebuilding the corrupted file system information.

Rebuild file system on inaccessible drive

Step 3: Check the files in inaccessible drive before we fix it.

Fix drive not accessible, parameter incorrect issue

Step 4: Click "Fix Drive" to fix inaccessible drive and get data back.

Solution 3: Recover data from inaccessible hard drive, external hard drive, USB flash drive, memory card, SD card, etc.

Step 1: If the inaccessible drive cannot be fixed, we can switch to Data Recovery mode of M3 Data Recovery and then recover data from inaccessible drive.

Free data recovery software

Step 2: After data recovery from inaccessible drive is succeffully done, we can reformat inaccessible drive to NTFS/FAT32/exFAT file system with Windows built-in format tool, disk management or third party tool, the inaccessible drive will be working again after the format completes.

Solution 4: Ask for help from a local data recovery service

If inaccessible drive has hardware issue or lost data is not found by M3 Data Recovery, please send the inaccessible drive to a local data recovery service for help.

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