If you encounter the error message "Drive Is Not Accessible. The Parameter Is Incorrect" on your device, don't panic. In this guide, you will learn how to address this issue.

What Is "The Parameter Is Incorrect" Error

I upgraded to Windows 10 Pro. Following this, I was denied access to two of my drives - one on an external drive labeled G and the other L, which is on a SCSI card. However, the other drives on this card and USB drives function normally. What I've observed is that every time the system boots, it performs a scan on drive G to detect errors, subsequently fixing them, and the same process occurs with drive L. Despite this, Windows boots up, but I still can't access these drives. It simply displays an error message stating "The parameter is incorrect"...

Source: answers.microsoft.com

'The parameter is incorrect' is an error commonly encountered in Windows 10/8/7, which hinders you from opening a device and accessing your data. It typically affects external hard drives, USB flash drives, or SD memory cards, displaying the message: "Location is not available. D:\ is not accessible. The parameter is incorrect."

"The parameter is incorrect" error on external hard drive or USB drive

This error can have several causes, including:

Reasons Description
?Driver issues The driver manages the communication between the hardware connected to the computer and the Windows system. An outdated, corrupted, or missing driver can lead to a "parameter is incorrect" issue.
?File system corruption The file system manages data stored on the hard drive. If it's corrupted, you may encounter "location is not available" and "parameter is incorrect" errors when trying to access the drive.
?Windows system files damage A damaged Windows system file can disrupt communication between the computer and the drive, resulting in this problem.
❌Bad sector A bad sector obstructs access to and reading of the data stored in that sector.
?Virus infection Viruses can harm your disk's file system, system files, and hard drive, causing the "parameter is incorrect" error if infected by a specific virus.
?Power failure Sudden power loss can damage both your Windows system and your disk's file system, preventing proper data access.

Navigate through the subsequent sections, and you will retrieve complete data from the inaccessible device. You will also successfully消除 the error from your hard drive, external hard drive, USB, SD card, and so on.

First Thing to Do: Recover Data from Hard Drives with "Parameter Is Incorrect" Error

Please note that certain solutions to the "The parameter is incorrect" error may result in data loss on your storage devices, such as hard drive formatting or using the CHKDSK utility. To safeguard your data, it's recommended to first recover your files from your hard drive or external storage devices using professional data recovery software.

Data Recovery Wizard Pro can access everything on your problematic hard drive and retrieve your data. Its advanced scanning feature thoroughly scans and restores all files from HDD, SSD, external hard drives, USB flash drives, SD cards, and more.

This data recovery software allows you to restore deleted files from an empty Recycling Bin, formatted or corrupted hard drive, lost partitions, RAW drive, etc. Download it for free and follow the guides below to recover data from an inaccessible hard drive.

Video Tutorial:

Step-by-Step Guide:

Step 1. Use the correct USB cable to connect your external hard drive to your computer. Run the Data Recovery Wizard, and you'll see your external disk listed under External Drives. This software supports all popular external hard drive brands, including WD, Seagate, Toshiba, LaCie, SanDisk, Samsung, etc.

Select the external hard drive and then click the "Scan" button.

Select your Seagate external hard drive and click Scan

Step 2. As soon as the scanning process begins, the software will find more and more lost and deleted data and display it in the scan results. The recovered data will be neatly organized. You can quickly locate the target files/folders by file type or search for them precisely by entering the file name in the search box.

scan for lost data on the Seagate external hard drive

Step 3. You can preview the files found by the Data Recovery Wizard's scanning algorithms. Then, select the files and click "Recover." To prevent data overwriting, we recommend saving the recovered data to a different drive than the original Seagate drive.

select files and click recover
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Once you've retrieved all your data from the external hard drive, USB drive, or other storage devices, proceed with Part 2 below to permanently eliminate the "The parameter is incorrect" error. If you found the data recovery software useful, share it with your friends on Twitter, Facebook, or Instagram!

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Solve "The Parameter Is Incorrect" Error in Windows 10/8/7 [6+ Solutions]

Applies to: Resolve the "Parameter is incorrect" error to regain access to and restore functionality to a non-accessible drive.

Upon retrieving your data from your devices, proceed with the solutions in this section to消除错误并修复USB闪存驱动器、外部硬盘或内存卡,以便重新使用。

< strong >6 Fixes to Get Rid of "The Parameter Is Incorrect" Error:

Methods Editor's Review Risk Level
?️Turn to Hard Drive Repair Service This is a convenient option if you believe self-repair is impossible. It's always advisable to let professionals handle the issue. Low
?‍?Run SFC to Fix Corrupted File System You can repair corrupted system files by executing the SFC scannow command in Command Prompt. Exercise caution if you're not familiar with command lines. Medium
⚙️Change Decimal Symbol Settings Incorrect settings might cause the issue, and you can resolve it by simply changing the decimal symbol settings. Low
?Format and Reset the File System Backup essential files before formatting and resetting the file system, as you'll lose important data otherwise. High
?Run CHKDSK to Repair Disk Error/Bad Sectors Another command line that can help fix the problem. If unfamiliar with command lines, use CMD cautiously. High
Update drivers Updating or reinstalling drivers can easily resolve the 'parameter is incorrect' issue. Low

The earlier a fix is listed, the more effective it will be.

Fix 1: Resort to the Best Hard Drive Repair Service

Difficulty Level: Easy Risk Level: Low

The most efficient method to resolve the "parameter not correct" error is to seek assistance from professional hard drive repair services. Tools like Data Recovery Wizard Pro offer Data Recovery Services that specialize in data recovery and hard drive repair. They effectively handle corrupted, damaged, or non-functional hard drives, USBs, SSDs, and NAS drives. Reach out to the experts to address the "parameter not correct" issue.

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Consult with Tools data recovery specialists for personalized manual recovery assistance. After a FREE diagnosis, we can provide the following services:

  • Repair damaged RAID configurations, unbootable Windows operating systems, and corrupted virtual disk files
  • Recover or repair lost partitions and repartitioned drives
  • Reformat hard drives and 修复RAW驱动器 (BitLocker encrypted drives)
  • Rectify disks that have become protected by GPT partitions

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Fix 2: Run the SFC Command to Repair Corrupted System Files

Difficulty Level: Medium Risk Level: Medium. Incorrect operations may cause significant issues.

The "parameter not correct" error is typically an issue within the computer system, where system files are either missing or corrupted.

You can utilize the Windows utility named System File Checker (SFC) to scan for corrupted system files. This tool automatically detects and repairs the files for you.

Step 1. Open Windows Command Prompt the same way as shown in Fix 2.

Step 2. Type SFC /scannow in the black window and press Enter this time.

Run FSC to fix corrupted file system that causes the 'parameter is incorrect' error

Step 3. Close the Command Prompt once the scanning process is complete.

Following this, restart your PC and reconnect your device to check if the issue has been resolved.

Fix 3: Change Decimal Symbol Settings

Difficulty Level: Easy Risk Level: Low

If the decimal symbol is not set to ".", you might encounter the "device parameter incorrect" issue on your computer. To resolve this, follow these steps to modify the settings: 1. Open the Control Panel: Click on the Start menu, type "Control Panel" in the search bar, and hit Enter. 2. Choose Region and Language settings: In the Control Panel, locate and click on "Region" or "Region and Language" depending on your operating system. 3. Select the "Additional settings" option: In the Region window, click on the "Additional settings" or "Additional date, time, & regional settings" link. 4. Change the Decimal symbol: In the "Numbers" tab of the "Regional and Language Options" window, find the "Decimal symbol" field and replace it with "." (a period). 5. Apply and Save changes: Click "Apply," then "OK" to save the changes and close the windows. 6. Restart your computer: After modifying the settings, restart your computer for the changes to take effect. Now, the "device parameter incorrect" issue should be resolved. If the problem persists, there might be other underlying issues that require further troubleshooting.

Step 1. Go to Settings > Time & Language > Region & Language.

Step 2. Click "Additional date, time, & regional settings".

Step 3. Under the Region section, click on "Change date, time, or number formats."

Step 4. Click "Additional settings", then under Decimal symbol, type . (dot), and click "OK" twice.

Change decimal symbol settings

Following this, restart your PC and attempt to access your hard drive, external hard drive, USB, or other devices on your computer.

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Fix 4. Format Internal/External Hard Drive or USB to Reset the File System

Difficulty Level: Easy Risk Level: High. Formatting will result in data loss. Remember to recover data first.

The most efficient method to resolve the "The parameter is incorrect" error is to perform a high-level formatting, known as a quick format in Windows. This process will reset the file system of the targeted device, thereby restoring its accessibility.

Step 1. Connect the inaccessible disk to your PC

Step 2. Open File Explorer, right-click on the inaccessible device, and choose "Format."

Step 3. Format the file system as NTFS (for internal hard drives) or FAT32 (for USB drives and external hard drives under 32 GB).

Step 4. Click "OK," and the formatting will be completed quickly.

format hard drive with parameter is incorrect error

This operation will create a new file system for the volume and repair any possible errors or corruption on it.

Fix 5: Run CHKDSK to Repair Disk Errors/Bad Sectors

Difficulty Level: Medium Risk Level: High. The CHKDSK command may result in significant file loss. Recover data first.

The CHKDSK command can be used to check for and fix file system corruption, errors, damage, and bad sectors on an external hard drive or USB disk that displays the error message "Drive Is Not Accessible. The Parameter Is Incorrect."

请注意,CHKDSK 命令在修复设备错误时会删除所有数据。因此,请确保首先使用可靠的 数据恢复软件 从问题设备中 恢复所有数据

Step 1. Plug in your external hard drive, USB drive, or memory card to your PC.

Step 2. Open Command Prompt.

  • In Windows 7: Type cmd in a search box, press Enter, and then click "cmd.exe" in the list of programs.
  • In Windows 10/8: Type cmd in the search box, right-click Command Prompt, and select "Run as administrator."

Step 3. Type chkdsk F: /f /x /r and press Enter.

Replace F with the drive letter of your external hard drive or USB device.

Run CHKDSK to Fix parameter is incorrect error

When finished, exit the Command Prompt and reconnect the storage drive to your computer. Check if the error still occurs.

Fix 6: Update Disk Drivers

Difficulty Level: Easy Risk Level: Low

Disk drivers manage the communication between the hardware connected to your computer. If your driver is missing, damaged, or outdated, you might encounter unusual hard drive behavior, like the drive not showing up. Updating or reinstalling the driver can resolve the "parameter is incorrect" issue.

Step 1. Right-click the Windows Start button and choose "Device Manager".

Step 2. Locate and expand "Disk drives". Right-click on your internal or external hard drive, then choose "Update driver".

Step 3. Click "Search automatically for drivers," and the best drivers for your device will be installed.

Step 4. If there are no available updates, try uninstalling and reinstalling the disk drivers.

Update drivers to fix 'parameter is incorrect' error

Bonus Tips to Resolve the "Parameter Is Incorrect" Error

除了上述的修复方法,你还可以尝试以下列出的建议来使你的驱动器可用和可访问:

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  • Run Antivirus Software
  • Perform a Clean Boot
  • Run PC in Safe Mode

How to Protect Your Drive from the "Parameter is Incorrect" Error

Upon implementing the methods outlined in Parts 1 and 2, you should now be able to access your storage devices and data without encountering any problems.

However, that's not all. It's wise to learn some useful tips to prevent hard drives, external hard drives, or USBs from the "parameter incorrect" issue.

请尝试以下建议,以充分保护您的数据和设备免受此错误的影响:

  • #1. Backup important data regularly
  • #2. Run antivirus software frequently
  • #3. Properly plug in and unplug external devices
  • #4. Update disk drivers promptly

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Conclusion

"The parameter is incorrect" typically indicates an unseen issue with a hard drive or a removable storage device, preventing data access. Considering the reasons behind this error, you should now have a clearer understanding of the problem.

To tackle this issue without losing any data, you need to perform data recovery using tools like Data Recovery Wizard beforehand.

Of all possible solutions, formatting is the most effective method to消除这个错误并使设备重新可用。如果你直接格式化了硬盘并丢失了数据,请尽快使用数据恢复软件来恢复格式化的硬盘。

"The Parameter Is Incorrect" FAQs

If you still have issues, you can read the questions and answers below.

**1. What does "Parameter error" mean?**

The "Parameter error" is a standard error that is frequently encountered when attempting to copy, move, or delete a file. This error usually occurs because the file you are trying to modify is currently being used by another program.

**2. How do you resolve the "Parameter is incorrect" error in Windows 11?**

要修复“参数不正确”错误:

    • Fix 1. Run FSC
    • Fix 2. Change Decimal Settings
    • Fix 3. Format Device
    • Fix 4. Run CHKDSK

3. How do I resolve error 87: Incorrect parameter?

    • Use the DISM command-line correctly
    • Revert Windows Update and clear Component Store
    • Run the SFC /SCANNOW tool
    • Run the CHKDSK tool
    • Run System Restore