Position : Tips - Fix The Error Message "The parameter is incorrect"

Fix The Error Message "The parameter is incorrect"

This article contains information about causes and solutions to “The parameter is incorrect” issue and tells how to recover lost data caused by the error. This is a frequently occurred issue that partition can’t be opened and files can’t be accessed. When encountering this error, do you know how to deal with it without losing any data in this hard drive? If you are stumped by the problem now, you should keep reading to find out solutions and save data.


"Recently, my 320GB external hard disk of Samsung had seen its day. This is the first hard drive that fails by itself. I take good care of it and it hasn't undergone any tiny drop or improper usage. It was used on an old laptop which is 'died'. I take out the hard disk without formatting. I have USB-to-IDE/SATA adaptor and a new laptop running Windows 8.1. The hard drive shows up in the new computer as 'Local Disk (M:)' when it is connected to computer via the USB port. Everything seems work well, but when I double-click the Local Disk (M:) to access file, the computer responses for several seconds and pops up a message box Location is not available, saying 'M:\ is not accessible. The parameter is incorrect.' Can anyone suggest a way to retrieve files from the drive? I've got large amounts of files in it."

the parameter is incorrect

This error is of common occurrence that partitions on external hard drive, flash drive, SD card, etc. can't be opened and accessed. But there is no need to be panic for the data loss or disk failure and there are tools and methods to fix the issue and save data.


Unplug removable drive directly

Many of us have made the mistake of unplugging external hard disk or USB flash drive directly from computer especially when the drive is still transferring data. Some users do this without knowing the potential harm to drive while some do this due to other reasons, say power failure. As we all know, many external drives provide an option safely removing in the properties and users can set whether they want to remove the drive safely or just remove it directly. If the option is unchecked, then there is no problem with the direct removing manner. If the "Safely Removing" option is checked, then the problem will occur if you remove the drive directly from computer.

safe to remove hardware

Force removal of external drive may do harm to or even destroy boot records of partition. As they are used to help operating system to read and write data from the drive, once it is corrupted it is no longer able to be accessible. Similar problem also happens to partitions on internal drive if computer shuts down abruptly without following the proper shutdown process.

USB port problem

Bad or weak power supply of the USB port may damage hard drive. USB drive can't work smoothly or even stops working when power supply in bad condition. Moreover, USB port is the bridge of connecting external hard drive and computer, once it gets problem then the USB drive may get damaged at the same time.

Bad sectors on the hard drive

Hard drive might be failed soon if there are bad sectors on it. Even one bad sector can make entire partition inaccessible. What's more, though bad sectors are fixed or repaired by certain tools, it doesn't mean the hard drive won't be damaged by them. Why? Bad sectors are marked as bad by system and some are not repairable, so HDD repair tools will separate it from health sectors. Bad sectors stand for the falling of hard disk and the repairing operation can't prevent other bad sectors from occurring.

File system goes wrong

In many cases, the error is caused by file system corruption. The role of file system is managing data on the partition for Windows. Files are stored in line with principles of certain file system format the partition adopts, such as NTFS. File system corruption can give rise to damaged drive for instance "…parameter is incorrect" "Windows was unable to complete the format", etc.


There are chances of losing data to repair the drive, so you need to carry out data recovery first before trying following solutions if files on the drive do not have a backup copy and they are important to you.

Formatting the inaccessible drive

Formatting of partition is the course of making it for initial use. It creates new file system for the volume and you can change file system format by way of formatting. Formatting can be subcategorized as low-level formatting and high-level formatting. In this case, the high-level formatting which is called quick format in Windows can fix "The parameter is incorrect" error.

Step 1
Connect the drive to computer via USB port or motherboard.

Step 2
Right-click This PC>Manage>Disk Management.

Step 3
Right-click the corrupted or RAW drive and select "Format". Click "OK" on the pop-up message box.

Step 4
Set Volume Label and File System format and check the option "Perform a quick format". Then click "OK" and the formatting will be done quickly.

format volume

When formatting is completed, you can open the drive and there is no error message, but files in the partition are removed.

Run "chkdsk /f /r"

This command line is able to fix hard drive problems about bad sectors, lost clusters, cross-linked files, file system errors and directory errors.

Step 1
Get Command Prompt. Click Start button and click All Programs and Accessories. Right-click Command Prompt and select Run as administrator. If you are prompted for entering administrator or for a confirmation, then type in the password, or click Allow.

run cmd as admin

Step 2
Type command line chkdsk /f /r X: (X is the drive letter of the inaccessible partition) in the command prompt and hit Enter key.

In some cases, the operation can't be completed under system, and you need to do thin in safe mode or PE environment.

If bad sectors are found on the drive during the process and chkdsk will try to repair them. In that case, data stored on bad sectors will be lost.

Data recovery

Fortunately, Eassos Recovery has included the feature to recover files and folders from problem drive which is reporting "…is not accessible. The parameter is incorrect." Inaccessible partition can be RAW, corrupted, unallocated or damaged drive due to all kinds of reasons and users are not able to open it and visit files in it. However, Eassos Recovery builds in special algorithm to analyze damaged system and scan all sectors to present files and folders in the damaged volume. Then users can preview files and restore them to a secure location. Eassos Recovery is user-friendly hard drive recovery software to fix various file loss issues for hard disk, portable drive, USB flash drive, memory card, pen drive, virtual disk, etc. under Windows XP/Vista/7/8/8.1/10 and Windows server 2003/2008/2012.

The whole recovery procedure is read-only and won't disturb original data and the storage device being recovered. It's safe to carry out the operation with Eassos software and it should be done first if there are important files in the inaccessible drive.

download Eassos Recovery

Step 1
Connect the storage device which is not accessible and reports "The parameter is incorrect" to computer. Then it can be recognized by your system. If your computer fails to detect it then try another USB port or PC.

Step 2
Download, install and launch Eassos Recovery to PC. Select the first recovery mode and enter next interface. This feature is capable of restoring lost data from damaged, RAW or formatted partitions.

eassos recovery

Step 3
Select the icon representing the inaccessible partition and click "Next" to continue.

Step 4
Eassos Recovery checks partition information and searches for lost files and file directory. It displays files while scanning process is working and keeps updating scanning results as more files are found out.

recovery files by Eassos Recovery

Users are allowed to preview files while scanning is working and they can pause or stop scanning if all desired files have been found and there is no need to make further scanning.

Step 5
Save files to a safe location such as any healthy partition that has enough disk space to hold these files and doesn't need recovering data.


No storage device can resist all damage or failure, in other words, all storage media will definitely stop working someday. Do not consider if your drive will go wrong. Instead, try to think over when the drive will fail. Keep in mind this concept and make sure taking following measures to identify early symptoms of disk failure and safeguard data.

1. Make backup for important data. Though regular backup of data takes time and disk space, it's the best way to protect information. Do not place all hope on data recovery software, because it can't retrieve all files in some cases, such as lost files get damaged or overwritten. However, backup copy is able to restore data completely as long as it is the most recent backup.

2. Pay attention to all kinds of error messages reported by Windows or other programs, which implies possible hard drive issue, for example, the error message "Windows detected a hard drive problem" reported by system, and the message "Read sector error" by PartitionGuru.

3. System responses slowly then you perform operations to the drive, including open/ save files to it or run programs from the drive.

4. Check the Event Log for Critical or Error messages in regular if possible.

If hard drive gets problem, it'll be failed at once or on days/months to come. Disk failure directly means file loss. Thus, no matter when these symptoms of failure is found out, you should start backing up files that do not have backup copy immediately.



2019-07-17 18:03:14

"HI I Bought a 1T Seagate external disk a day ago. I connected into the computer using windows 7, it opened, I formatted the disk with format NTFS, a pop window appeared saying that the windows couldn't format the disk; I tried to format with exfact, it worked. As my TV cognizes NTFS format I went to the Disk Management , I tried to format to NTFS, the same message appeared again, then I hit the right click I clicked on Delete the Volume, it worked , so when I tried to create the new volume the computer took too long, and froze , I removed the disk and I restarted the computer, after that Inserted the Disk again a pop message appeared saying that I need to format the disk before I use it, I clicked yes but it didn't format, and when I go to my computer to see the Disk its write "Local Disk H" when I try to open it doesn't, I do know what to do to have my disk working again. Please help. "

"This article is really hard to decipher because of the awful syntax, at least check the articles from your non-english speakers, this is horrible."


2019-05-16 13:53:13


2018-06-22 07:22:58

"I run in to exactly the same problem and it appears that HD is perfectly fine!!! Recently I replaced my HD with SSD and installed fresh Windows 10 on it. I connected old HD to the USB and transferred all my files to the new SSD. Error appeared when I restarted the system. I was going to use it as a backup but couldn't access it. Actually there are two partitions on the disc and I can access one of them but not the windows partition. I have removed the SSD and put back the original HD in to the laptop and it works fine!! It must be something with windows blocking the access."



2018-05-26 16:37:40


2018-04-28 23:22:29

"I can't preview my files? Why"

"my memory card is currpted when i format sd card by command promote then system says the request failed to fatal device eror.see the system event log for incorrect. plz say how repair my sd card "

md masoom akhtar

2017-09-14 22:16:13


2017-08-09 01:08:04

"Thank you so much! My disc is working now"

"my Seagate external hard drive could be recognized by computer. However, after using Run PartitionGuru to scan and format and save partition. The hard drive could no longer be detected. I wonder if I should discard the hard drive. I will appreciated your advice. Thanks"


2017-01-20 03:02:08

Arun Kumar

2017-01-03 14:36:59

"when I try to do "Formatting the inaccessible drive" and right click on the drive and click on format, it shows a warning message "An unexpected error as occurred. Check the System Event Log for more information on the error.Close the Disk management console, then restart the disk management or restart the computer". WHAT DO I DO NOW? i dont mind loosing the data in the External Harddisk, i want it to work normal like before."

"help. All my photos are on a external harddrive that says "the directory is inaccessible" I am downloading your program. I hope it works"


2016-12-22 13:13:27

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