How to Fix The Parameter Is Incorrect On External Hard Drive? [5 Best Ways]

Are you stuck with an error message ‘The parameter is incorrect’ while using your external hard drive? Seeking for the perfect solution to fix this issue? Well, if this is the case, then don’t worry at all, in this blog, you will come to know each and every aspect on how to fix the parameter is incorrect external hard drive.

But, before knowing the fixes, first, you need to know about this error, what causes this error to occur and how this error can be identified?

What Is “The Parameter Is Incorrect” Error?

The parameter is incorrect is actually an error that used to take place in Windows 10/8/7 while using any external hard drive, SD card, or even USB flash drive. While trying to open the disk, a pop-up window may appear and states that ‘Drive is not accessible. The parameter is incorrect’. You can see the error message in the below picture:

The Parameter Is Incorrect error

When you get this error message, your drive becomes inaccessible and so the data as well becomes inaccessible.  But, now, there is no need to worry at all because there are several fixes available to resolve the parameter is incorrect on external hard drive issue.

Some Signs Of The parameter is incorrect

One of the major signs that you will notice when you get this error is the inability to access data on the hard disk. It will happen something like: You turn on your computer and then go to My Computer or This PC. You will notice everything will be in order – the disk is easily determined and you click on it with the left mouse button to open it.

However, after a while you get a message ‘the drive is not accessible The parameter is incorrect’.

Well, do not worry, you will get the solution here ad applying these fixes, you will be easily able to fix the parameter is incorrect on external hard drive.

What Causes ‘The Parameter is incorrect on external hard drive’ To Occur?

Below you can look at some of the major causes due to which this error takes place.

  • Removing hard drive without ejecting
  • Virus infection
  • external hard drive SD card with bad sectors
  • Corrupt file system
  • Power failure or power surge

If you have a backup then you can use that to restore the files after you format the faulty external hard drive. But if you do not have any backup then need not worry because you still have some options that you can try to fix external hard drive and resolve ‘the parameter is incorrect’ error.

Working Solutions To Fix The Parameter is incorrect on External Hard Drive Error

As I have already mentioned that the parameter is incorrect on external hard drive error can take place due to several reasons but you can try the solutions mentioned here and get rid of this error forever:

Solution #1: Run the CHKDSK Command Prompt to Fix The Parameter Is Incorrect Error

You can resolve the parameter is incorrect on external hard drive by running the CHKDSK command. To do so, you have to follow the below steps:

Step 1: First of all, you have to plug in the external hard drive or USB drive, or memory card to the PC.

Step 2: Now open the Command Prompt in Windows versions you have.

In Windows 10/8: You have to press the Windows + X keys together and then select the command prompt (Admin) option.

In Windows 7: You have to click Start and then type in cmd in the search box and then you have to simply hit the Enter key and then click ‘cmd.exe’ in the program’s list.

run-cmd-as-admin

Step 3: Now, in the new command prompt window, you need to type chkdsk E: /f/r. Here, you have to replace the E drive with the drive letter of the external hard drive or any USB flash drive.

run chkdsk command

Doing these steps will run CHKDSK to check and repair the system file corruption issue or bad sectors on the USB flash drive or external hard drive which might cause ‘Drive is not accessible. The parameter is incorrect’ error.

Solution #2: Use an Antivirus Program

antivirus_1

As I have already mentioned that virus infection is the major cause of getting this error. If there is a virus-infected file that exists on the external hard drive then it can make the hard drive inaccessible. So, to fix the parameter is incorrect hard drive issue, it is better to use good antivirus software to try scanning external hard disk for virus-infected files and remove virus from SD card or external hard drives with ease.

Solution #3: Run SFC Scan

Sometimes, this error may arise within your system because of some corrupt or missing system files. If Solution #1 fails to fix this issue then you can repair your external hard drive by running system file checker (SFC) scan on the system to fix missing and corrupted file on the system by performing the below steps:

Step 1: First of all, you have to press Windows +Q keys together to open the search bar.

Step 2: Next, you have to type cmd and then right-click on Command Prompt and then again select Run as administrator from the options.

recover-formatted-data-using-cmd-1

Step 3: Lastly, you have to type SFC/scannow in the command prompt window and then hit the Enter key to run the SFC scan.

sfc/scannow

If an SFC scan finds any issue with the Windows system files then it can ask for Windows installation USB or DVD installation media to fix damaged or corrupt system files.

After it finishes the task, you need to restart the system and try to connect your external hard drive to the PC, and check whether the issue still persists.

Solution # 4: Change The Settings Of Decimal Symbol

Most of the time it happens that a decimal symbol isn’t set to the “.”, and that’s why the parameter is incorrect error issue occur on your PC. In such a situation you need to change the settings & solve this issue. Below I have shown the easy steps to change the setting of a Decimal symbol.

  • At first, go to the Settings and then Time and Language
  • Then, click on Region and language.
  • Tap on “Additional date, time, and regional settings” option.
  • After that, under a Region section >> click on the “Change date, time/number formats“.
  • Now, tap on “Additional settings” >> in a Decimal symbol, you need to type . (dot) >> tap “OK” twice.

change-decimal-symbol-setting-to-fix-parameter-error

Solution #5: Format External Hard Drive

If any of the above solutions do not work in your case then you can try to format external hard drive. This is the only solution left that can fix parameter is incorrect on external hard drive error.

But do not forget that formatting the external hard drive will erase all the data from the external hard drive, so it is better to have a backup first before you start formatting the drive.

Ultimate Solution: Use External Storage Data Recovery Tool To Recover Lost Media Files

If you have saved your personal media files on your external hard drive and lost those files accidentally after you have fixed the issue then try External Storage Data Recovery Tool. This tool will help you restore lost data from external hard drive in just a few steps. You can use this tool on both the operating systems; Windows as well as Mac.

emidDownload Photo Recovery For Windows emidDownload Photo Recovery For Mac
* Free version of the program only scans and previews recoverable items.

So, without any delay, follow the step-by-step guide of this tool to recover lost media files from external hard drive.

FAQ (Frequently Asked Questions)

Why Is Parameter Incorrect?

The parameter is incorrect error generally occur due to the bad sectors, cross-linked files, lost clusters, directory error, and file system errors.

How Do I Fix The Incorrect Parameter On My External Hard Drive?

You can fix the incorrect parameter on my external hard drive by trying the below troubleshooting fixes:
1. Run the CHKDSK.
2. Check the virus.
3. Run the SFC scan.
4. Format your external hard drive.

How Do You Change A Disk Parameter?

You can change the disk parameter by right-clicking on a disk drive. Now, change the change a drive letter >> select the change drive letter & paths. At this time click on the Change button. Click on OK

Final Verdict

That’s all I have to share on how to fix ‘Drive is not accessible. The parameter is incorrect’. I hope the above solutions will definitely work and solve your issue without any hassle.

All these solutions are so easy to apply that anyone can easily try to repair the parameter is incorrect Windows 10. Or, if you want to recover lost media files from an external hard drive then you can try an external storage data recovery software mentioned here.

But make sure that you always have a backup of your important media files whether you are using an external hard drive, SD card, or USB flash drive.

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