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The Request could not be performed because of an i/o device error

Posted by Jean to Resource 2017-04-28

Summary

'The request could not be performed because of an i/o device error' indicates a file system or hardware issue. This error could happen to HDD, USB hard disk, flash drive and SD card. To fix the i/o device error without losing data, download EaseUS free data recovery software.

Sometimes our USB flash drive would suddenly become inaccessible, sending i/o device error. The full message is "X:\ is not accessible. The request could not be performed because of an i/o device error." X represents a certain hard drive letter. See the screenshot.

the request could not be performed because of an i/o device error

This error could happen to HDD, USB hard disk, flash drive and SD card. What do you care the most as soon as the drive's not accessible, not allowed to open files on it? It's the data, right? So, we'll begin with data recovery from i/o error device.

How to recover data from inaccessible drive with i/o device error?

EaseUS Data Recovery Wizard is developed to recover data from hard drive that is corrupted, formatted and inaccessible. If your hard disks or removable storage devices keeps saying i/o device error, pay much attention, your data is in danger. Try this hard drive recovery software to export the data to a safe place, and then find best ways to fix the error without losing anything important.

Step 1. Select the hard drive with i/o device error and click "Scan".
Step 2. Run quick scan and deep scan to find all existing and lost data files.
Step 3. Select the files you want and click "Recover". Choose another disk location to save the recovered files.

3 steps to recover data from i/o error device with EaseUS Data Recovery Wizard

How to fix 'the request could not be performed because of an i/o device error'?

Altogether, we summarized 3 perfect solutions to fix 'the request could not be performed because of i/o device error' on HDD, USB flash drive and SD card.

Fix 1 - Auto repair file system errors on the problematic drive

It's the general method that we suggest you try it at first because many of the i/o device error on some removable devices result from improper use, such as abrupt removal.

Step 1. Right-click on the removable disk and select Properties.

Step 2. Under Tools, you can check the drive for file system errors by click Check.

fix file system errors that causes i/o device error

Step 3. Windows will start immediately to fix file system errors automatically if found any.

Fix 2 - run chkdsk command to fix bad sectors

This is somewhat higher leveled. If auto repair failed, it's probably because your hard drive or usb stick has developed bad sectors. You can learn carefully with the guide to fix bad sectors there in order to get rid of the annoying i/o device error whenever try to open the drive.

Step 1. Press Windows and R keys at the same time to open Run. Type cmd in the Run box and click OK.

Step 2. Type chkdsk h:/f and hit Enter. Replace h with your hard drive's drive letter; /f is a parameter that lets Windows fix the found errors automatically.

use chkdsk command to fix bad sectors that causes i/o device error

Fix 3 - Change drive letter and paths

As you can tell, the i/o error message would cause storage drive not working properly, and the apparent reason is hard disk errors. Thus, you can try to assign a new drive letter to the drive.

Step 1. Right-click on My Computer (Windows 7) or This PC (Windows 10), select Manage.

Step 2. In Computer Management, click Disk Mangement under Storage. On the right panel, find your hard drive or USB flash drive which has i/o device error. Right-click on it, and select Change drive letter and paths...

chang drive letter and paths to fix i/o device error

Step 3. Click Change. On the window that pops out, choose another drive letter that is available and click OK.

If all fixing methods don't solve the problem, you should prepare for the worst assumption that your drive has damaged. As we posted in the earlier part, think more about the data inside and download EaseUS hard drive recovery software to help.