Error Fix – The Parameter Is Incorrect

This problem may intermittently occur. The parameter is incorrect’ error is common and normally affects the external hard drives, USB flash drives, SD cards, etc and they prevent you from accessing your files. Have you ever tried accessing your files in your external hard drive or partition but it brought you ‘the parameter is incorrect?

D is not accessible Parameter is incorrect

Error – Cannot Copy File: The Parameter Is Incorrect

As we know, sometimes, we would like to transfer files from USB to computer or vice versa. However, some users probably fail to copy files, and they receive some error messages like: “Error Copying File or Folder. The parameter is incorrect” or “Cannot copy file: The parameter is incorrect”. (Picture below)

Cannot Copy file

At this time, what should we do?
This post How to Fix The Parameter Is Incorrect Copying Files Issue in Windows 10 may help you fix the error some way.

Error – Drive Is Not Accessible. The Parameter Is Incorrect.

is not accessibleThe parameter is incorrect Data error (cyclic redundancy check

Have you ever encountered the same situation? Do you know how to deal with this error without losing data stored on this drive?

Data Recovery – Drive Is Not Accessible. The Parameter Is Incorrect.

MiniTool Power Data Recovery, a simple and professional data recovery software, is recommended here, it can easily and quickly recover data from inaccessible drive including RAW, corrupted, damaged or unallocated drive.

Tutorial: 3 steps to recover lost data from incorrect parameter drive Windows 7.

Step 1: launch MiniTool Power Data Recovery to get its main interface. After that, you can see 5 different data recovery modules, namely “Undelete Recovery“, “Lost Partition Recovery“, “Digital Media Recovery“, “CD/DVD Recovery” and “Damaged Partition Recovery“. Here, to recover data from drive which is reporting “…is not accessible. The parameter is incorrect”, you can tap Damaged Partition Recovery to continue.

main interface

Step 2: this all-in-one Power Data Recovery shows all found partitions and displays a number of information, including the volume label, the type of file system, the capacity, as well as its hardware information, as shown below. At this time, you are supposed to select the partition where data loss appears and then tap Full Scanbutton to scan the selected partition, collect and analyze every byte on the selected partition.

full scan

Step 3: in this interface, you can check all needed files, and then tap Save button which is located at the lower right corner to store them. Note: never store selected files to the drive where you lost your data.


With MiniTool Power Data Recovery, you can easily and quickly recover data from inaccessible drive whose parameter is incorrect without damaging the original data.

After recovering data, you’ll check out how to fix the parameter is incorrect error.

You may also be interested in learning about the cause of the error, as the reasons are various.

Solution 1: formatting the inaccessible drive

According to a survey, we find many users who encounter the error “Drive is not accessible. The parameter is incorrect” will try to format this drive to use it again.

However, how to format this drive effectively?

When it comes to talking about hard drive formatting, we want to share another MiniTool’s excellent product, MiniTool Partition Wizard, with you. As long as you turn to the professional freeware, you can easily format partition to fix some file system errors.

First, launch MiniTool Partition Wizard, then select the partition which needs formatting and choose Format Partition from the left panel or choose Format from toolbar, and enter new partition label and choose desired file system and cluster size. In general, default cluster size is recommended for Partition Wizard will work out proper cluster size according to partition size.


Finally, click Apply to execute all changes.

As we know, if the error message “Drive is not accessible. The parameter is incorrect” is caused by corrupted file system, we can format this drive to fix it. However, what if the inaccessible drive is caused by bad sectors? In this situation, you can try the following solution.

Solution 2: run chkdsk f/r

If the “the parameter is incorrect” error is caused by bad sectors, lost clusters, cross-linked files, file system errors and directory error, you can run chkdsk to fix it. Detailed steps are shown below.

First, tap Start menu, click All Programs and then choose Accessories. After that, right-click the Command Prompt and choose Run as administrator. (Note: If you are prompted for entering administrator or for a confirmation, then type in the password, or click Allow. Here, you can read this post How to Open the Command Prompt in Windows to know more solutions to access Command Prompt.)

Then, type command line “chkdsk /f/r X:” (X is the drive letter of the inaccessible partition) and hit Enter key. Here, for example, since my I drive prompts “I:\ is not accessible. The parameter is incorrect”, I type “chkdsk /f /r i:” as shown below.


Finally, type exit and press Enter to exit it.