AOMEI Partition Assistant
DiskPart has Encountered an Error Incorrect Function - Fixed
When you encounter diskpart has encountered an error incorrect function, you can refer to this article and find solutions here.
By Dervish / Updated on June 13, 2024
Help! "Diskpart has encountered an error: incorrect function"
I have a hard drive and I’m trying to format it and use it as an external drive for transferring data between two PCs. I went to Disk Management and tried to format it, I got "incorrect function". Then I tried to go to admin CMD, the error occurred: DiskPart encountered an error: incorrect function.I don’t know where the problem is, can someone help me with this? Thank you!”
You may come across this error not only when you try to format the drive, but also meet the incorrect function when initializing disk. Many reasons cause an unspecified error occurred chkdsk. For instance, the drive is write-protected, the drive is damaged, etc. This error usually displays some error code like:
- an unspecified error occurred (766f6c756d652e63 470)
- an unspecified error occurred (766f6c756d652e63 4d2)
Don't worry. This article will provide a detailed solution to help you fix the error. In addition, we will also introduce an alternative to Diskpart - AOMEI Partition Assistant Standard, which will help you solve more drive-related issues.
How to fix "DiskPart has encountered an error: incorrect function"
There are some solutions that you can try to fix "Diskpart has encountered an error incorrect function".
▶ Rescan the disk
When you encounter this chkdsk an unspecified error occurred issue, it may have something to do with the Virtio SCSI driver that requires a rescan to show the changes. According to the feedback of some users, you can get it fixed by doing a disk rescan from command prompt. To run the disk rescan, follow the steps below.
1. Open Command Prompt under administrator.
2. Type diskpart and press Enter.
3. At the Diskpart command prompt, type: rescan and press Enter.
▶ Reinstall driver
The damaged driver may cause this issue too. You can uninstall the drivers for the drive and then reinstall the drivers again after restarting your computer.
1. Click the Start button, type device manager in the Search Box, and hit Enter.
2. Select Device Manager, and expand categories to find the name of your hard drive. Right-click the device and select Uninstall, then restart the PC. Windows will automatically reinstall the drivers on the hard drive for you.
▶ Remove write protection
There is some possibility to meet this issue when your disk is write-protected, you can remove the write protection and try to format the drive again.
Step 1. Press "Windows + R", type in "diskpart" and hit "Enter".
Step 2. Type "list disk" to show the list of available disks in the system.
Step 3. Type “select disk n”, “n” stands for the disk number of your drive.
Step 4. Type "attribute disk clear readonly". It will change the properties of your SD card so that it is no longer read-only.
Alternative to fix Diskpart incorrect function error easier
If after trying all the methods mentioned above, the error "DiskPart has encountered an error incorrect function" still exists, you may consider using an alternative to DiskPart to manage your disk. AOMEI Partition Assistant Standard is a good alternative tool that provides all the features that DiskPart contains.
It is a free partition manager that can help you format all types of disks including SSD, external hard drive, USB drive, SD card, etc. And you can format write protection disk easily. This software is designed for all versions of Windows 11/10/8/7. Let’s see how to solve Diskpart has encountered an error incorrect function with it.
Step 1. Download AOMEI Partition Assistant and launch it.
Step 2. Right-click the disk that you want to format and choose Format Partition.
Step 3. You can format the disk to NTFS, FAT32, Ext4/3/2, exFAT, and FAT32. Choose one among the listed File Systems. Then, click on OK.
Step 4. Review the pending operation, click Apply, and Proceed to perform it.
As you can see, AOMEI Partition Assistant Standard simplifies the execution steps of Diskpart. All users can use this tool to complete the management and repair of their hard disks. You can download the tool for free and enjoy some of the conveniences it brings.
Conclusion
Actually, besides the error “DiskPart has encountered an error incorrect function”, you may also meet other errors when using DiskPart like “DiskPart has encountered an error, the media is write protected”, “DiskPart has encountered an error, access is denied”, etc., you can solve all these errors with the help of AOMEI Partition Assistant. Finally, if you want to try more useful features of AOMEI Partition Assistant including partition recovery and partition split, you should turn to Professional Edition.
