[Solved] How to fix "Parameter is incorrect" on external hard drive?

I've got an external hard drive which was working fine until mid morning, I got an incorrect parameter message. I can't afford to lose the content. Anyone know how to fix "the parameter is incorrect" on external hard drive? Many thanks in advance.

The parameter is incorrect on external hard drive

Have you ever encountered the same situation? Do you know how to fix this error without losing data? To solve this error effectively, I read lots of information show you how to solve this issue in this post.

Data Recovery - The parameter is incorrect on external hard drive

When encountering the error "The parameter is incorrect" on external hard drive, experienced users will firstly think of recovering data from this drive and then fix this error. Now, you might be wondering:

How to effectively recover data from external hard drive whose parameter is incorrect?

Well, M3 Data Recovery is a professional data recovery software which can easily and quickly recover data from inaccessible, RAW, corrupted, damaged, formatted external hard drive, hard drive, USB drive, flash drive, memory card, USB stick, CF card, SD card, etc. in Windows XP/Vista/7/8/10 and Windows Server 2003/2008/2012/2016.

Tutorial to recover data from external hard drive whose parameter is incorrect

Step 1: Connect external hard drive to your computer.

Step 2: Download, install and launch M3 Data Recovery on your computer.

External hard drive data recovery software

Step 3: Choose Data Recovery module on home window. After that, select external hard drive and click Next to scan, All files will be found in minutes.

Recover data from external hard drive

Step 4: Select the files you want to recover from RAW hard drive and then save them.

How to fix "Parameter is incorrect" on external hard drive?

Solution 1: Fix "Parameter is incorrect" with M3 Data Recovery

M3 Data Recovery is a RAW external hard drive recovery software which provides RAW drive recovery module to fix "Parameter is incorrect" on external hard drive, hard drive, USB drive, flash drive, memory card, CF card, SD card, etc. in Windows 10/8/7/Vista/XP and Windows Server 2016/2012/2008/2003.

Step 1: Connect RAW external hard drive to your computer.

Step 2: Launch M3 Data Recovery and choose RAW Drive Recovery module on home window. After that, select the RAW external hard drive and click Next to scan.

Scan parameter is incorrect error on external hard drive

Step 3: Check the files in RAW external hard drive before fixing.

Fix parameter is incorrect on external hard drive

Step 4: Click "Fix Drive" to fox "Parameter is incorrect" on external hard drive. You can also switch to data recovery mode and then recover data from external hard drive.

Solution 2: Run chkdsk /f or /r

If the "Parameter is incorrect" error is caused by bad sectors, lost clusters, cross-linked files, file system errors and directory error, please run chkdsk to fix it. Detailed steps are shown below:

Tips: Before running chkdsk, please recover data from external hard drive with M3 Data Recovery firstly, because chkdsk may cause data loss.

In Windows XP, click Start menu, click All Programs and then choose Accessories. After that, right-click the Command Prompt and choose Run as administrator. Then, type command line "chkdsk X: /f or /r" (X is the drive letter of the inaccessible partition) and hit Enter key.

In Windows Vista/7/8/10, click Start menu and choose Command Prompt (Admin) Then, type command line "chkdsk X: /f or /r" (X is the drive letter of the inaccessible partition) and hit Enter key.

Solution 3: Format external hard drive and fix "Parameter is incorrect" error

Tips: Before formatting external hard drive, please recover data from external hard drive with M3 Data Recovery firstly, because the data will be lost after formatting.

In My Computer or This PC (Windows 10), right click external hard drive which has "Parameter is incorrect" issue and select "Format....". Select file system, allocation unit size, enter volume label and click Start to format external hard drive and fix "Parameter is incorrect" error. This external hard drive will be working again after format completes.

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