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How to Fix Fatal Device Hardware Error and Recover Data

Updated on Nov 02, 2018 by Jean to Storage Media Recovery


"The request failed due to a fatal device hardware error" or "not accessible fatal device hardware error" occurred frequently among WD and Seagate external hard drives, and here is the most recommended solution to fix the "fatal device hardware" error. Free data recovery software is also offered to help you recover lost data.

WD the Request Failed Due to a Fatal Device Hardware Error

"I have a portable WD Passport which connects to my Windows 10 laptop via USB. Lately, whenever I try to access the drive, I get a message which says request failed due to a fatal device hardware error. This is starting to worry me, as I have 767GB data on there."

Seagate the Request Failed Due to Fatal Device Hardware Error

"My Seagate 2TB external hard disk is not working, showing" H:\ is not accessible. The request failed due to a fatal device hardware error" when double-clicking on this. How can I fix this? It's very urgent sir... Reply please ."

How to Recover Data from Hard Disk with Fatal Device Hardware Error

One of the most common hardware issues happening to Western Digital (WD) and Seagate external hard drive users is the fatal error, with the exact expression "X: is not accessible. The request failed due to a fatal device hardware error". Sometimes, the fatal error is followed by certain error codes, such as "0x800701E3".

Many people have no idea about why their hard drives suddenly stopped and gave such a fatal error message. It's an emergency issue, in fact, because it means your hard drive is failing, and about to put an end to its life.

At this moment, before searching for a solution, you should immediately state to download the recommended data recovery program to recover data. The earlier you take the step, the more data you can rescue from the drive with fatal errors.

EaseUS Data Recovery Wizard is specialized in hard drive data recovery, especially when the hard drive becomes inaccessible due to a fatal device hardware error and you have valuable data on it. For the first attempt, you could try the free data recovery software.

Your hard drive with fatal errors might not be detected or showing up in Windows, so jump to the troubleshooting step instead of retrieving data for the first attempt. You could try to recover data after rectifying the problem!

How to start hard drive recovery with EaseUS hard drive recovery software:

Step 1. Choose a location to scan.

  • Make sure that all hard drives were correctly connected and recognized by the software. Refresh an external hard disk if necessary.
  • From which drive was data lost? Choose the relevant hard drive partition by left-clicking on it.
  • Click the Scan button.
select your hard drive and click scan

Step 2. Wait for the scanning results.

  • It takes a while for EaseUS Data Recovery Wizard to complete the scan, all depending on how much disk space is used on the selected hard drive.
  • As you see, the "Deleted files" result would come our first, later it's all lost data result.
  • You can try to recover lost data as soon as it shows up even though the scanning process has not finished yet.
scan the lost data on the hard drive

Step 3. Filter the result and recover data.

There are multiple ways for you to find the target files. Anyway, choose the quickest method.

  • Lost Partition Files: more lost data are going to be found on your selected partition and put in this section if it was formatted or deleted in early time.
  • Extra Files: a deep-scan result for raw files even though the file names and file paths have been lost. 
  • Filter: extremely useful when you're looking for a specific type of files such as pictures, documents, music, videos, etc.

Select files and click the Recover button. (You can always choose to preview files before purchasing a license code for a full hard drive data recovery. )

select files and click recover

How to Fix "the Request Failed Due to a Fatal Device Hardware Error" on HDD/SD Card/USB Disk

The most applied way to troubleshoot the fatal device hardware error on a drive is with the Diskpart utility, which is an important Windows tool for disk maintenance and recovery from a variety of disk related issues. Let's start to check and repair the disk that has the fatal device hardware error.

Step 1. Click on Start--> All Programs-->Accessories, and then right-click Command Prompt.
Step 2. Click Run as administrator.
Step 3. In the Command Prompt, type: CHKDSK /F and hit enter. CHKDSK will automatically fix file system errors on the disk.
Step 4. Type CHKDSK /R and hit enter. CHKDSK will scan for and attempt recovery of bad sectors.