Fix DiskPart I/O Device Error in Windows 10/8/7

Tracy King updated on Sep 16, 2019 to Partition Manager | How-to Articles

"Hello, help! I was trying to use Diskpart to clean a hard dive in my PC yesterday but received an error message which told me that 'DiskPart has encountered an error: The request could not be performed because of an I/O device error'. 
Then Diskpart just won't work for cleaning drive again on my drive. So what can I do? Deleting all hard drive partition won't clean up the whole drive and some useless files and data may still exist on the drive. Please help me if you do know how to fix the Diskpart I/O error and clean up disk.

It's no longer a new problem that some users gets stuck or even failed to clean disk or format device with Diskpart. Most of them have all received such an error message, saying that DiskPart has encountered an error and the request cannot be performed due to I/O device error. SO what can you do when I/O device error occurs to you? Relax! We have wanted solutions here for you to quickly fix and solve Diskpart I/O error right now.

Quick fix Diskpart I/O error with Diskpart alternative freeware

If you are urgent to clean disk data or format hard drive or even convert hard drive file system to NTFS or FAT, you can try a Diskpart alternative freeware to help you first. 

EaseUS Partition Master Free supports to do exactly the same partitioning jobs of Diskpart such as creating the new partition, deleting a partition, cleaning partition or repairing and fix partition etc. You can free download this software to do the reset job that Diskpart fails to do right now:

Download Now

 Windows 10 is supported

If you need to check and repair the partition, try below tips: 


Step 1: Open EaseUS Partition Master on your computer. Then locate the disk, right-click the partition you want to check, and choose "Check File System".

Check Partition - Step 1

Step 2: In the Check File System window, keep the "Try to fix errors if found" option selected and click "Start".

Check Partition - Step 2

Step 3: The software will begin checking your partition file system on your disk. When it has completed, click "Finish".

Check Partition - Step 3

If you need to clean up disk or wipe all data on hard disk or devices, you may try the Wipe Data feature in EaseUS Partition Master to wipe the disk.
If you need to delete or create partitions, you can use EaseUS Partition Master and follow how to create a partition or delete the partition with simple clicks. 
You can also apply this Diskpart alternative freeware to format and convert the disk to NTFS/FAT with ease.

Method 1. Apply error checking to fix bad file system that leads I/O device error

When storage device or hard drive have file system errors, it may not allow you to use Diskpart to clean or partitioning devices. Instead, I/O device error may occur. You can then try error checking to remove I/O device error before using Diskpart to partitioning hard drive:

1. Open This PC/My Computer and right-click on a removable device or hard drive in PC, select Properties;
2. Under Tools, go and click Check/Check Now.

Fix diskpart I/O error with error checking tool.

Windows will automatically start to fix file system errors which cause I/O device error on your drive.

Method 2. Repair bad sectors that cause I/O error with CHKDSK command

CHKDSK command will repair and fix bad sectors that cause Diskpart I/O errors on your hard drive partition, external hard drive or other storage devices. You can simply follow below tips to get rid of Diskpart I/O error now:

1. Open Command Prompt and type: diskpart and hit Enter;
2. Type:chkdsk h: /f (replace h with a drive letter of your hard drive or removable device) in Diskpart and hit Enter;

Fix diskpart not working error with I/O device issue.

3. Type: chkdsk h: /r (replace h with a drive letter of your hard drive or removable device) and hit Enter.
4. When it's finished, type: exit and hit Enter to finish the process.

CHKDSK Alternative

If you don't have any technical know-how and want to minimize data risks, using third-party software could be a better choice. The Command line is suitable for computer professionals since wrong commands can cause severe problems. Therefore, we strongly recommend you try an automatic command line alternative.

EaseUS Tools M is a practical computer fixing tool that is safe and light-weighted. It's a perfect alternative to CHKDSK command. Use this one-click tool to solve your computer issues.

To fix file system error or disk error:

Step 1: DOWNLOAD EaseUS Tools M for Free and install it.

Step 2: Open the software and select the "File showing" option. 

Step 3: Choose the drive and wait for repairing. After the operation completes, click the "View" button to check the drive. 

select the drive and check off file system error

After this, you can retry to use Diskpart to clean up disk, create a partition or delete the partition on your storage devices again. No I/O device error will exist.

Extra Tip: Try System Restore to thoroughly remove Diskpart I/O error

If you don't want to try any offered methods to fix Ddiskpart with I/O error, you can directly try System Restore to get rid of Diskpart I/O error:

1. Click Start and go click All Programs.
2. Click Accessories > click System Tools and select System Restore.
3. Sign in your administrator password to confirm the system restore process;
4. Follow on-screen lines to finish the system restore process > reboot after the system restore process finishes.


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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.