9 Tricks to Fix the Request Failed Due To a Fatal Device Hardware Error

What does it mean “The Request Failed Due to a Fatal Device Hardware Error”? This is an error message you may encounter while transferring or copying the files between the external hard disk and Windows PC.

So, here in this guide, you’re going to learn the best possible ways to repair fatal device hardware error Windows 10 along with the multiple reasons that can lead to this issue.

Let’s read!

What Causes The Request Failed Due To A Fatal Device Hardware Error?

The above-mentioned error is mainly caused due to the hard disk corruption or if it’s in the bad condition. Below, I have listed the possible scenarios that can lead to a fatal device hardware error. So, let’s see…

  1. Due to a fault in the hard drive cable. Thus, when you try to connect your defective hard disk with the computer, file transfer is restricted.
  2. A hard drive might contain bad sectors, wrong mappings, or corruption.
  3. Loose connections may also cause this error.
  4. Because of outdated drivers.

So, these the four common reasons behind this issue. Now, it’s time to proceed towards the best solution to fix the request failed due to a fatal device hardware error without any trouble.

How To Fix The Request Failed Due To A Fatal Device Hardware Error?

After figuring out the major factors behind the fatal device hardware error Windows 10, now you must be curious to know how to fix the below-shown error.

The Request Failed Due to a Fatal Device Hardware Error

fatal device hardware error Windows 10

Here I have mentioned some of the troubleshooting ways to solve this problem easily. So, just try them.

Fix #1: Check The Connection

Sometimes, it may happen that the errors and bugs can cause due to the damaged port or USB cable. So, try to connect another port or cable for transferring the files between your PC & an external storage media. If this solution doesn’t help you to repair the request failed due to a fatal device hardware error external hard drive, you can try the next solution.

Fix #2: Verifying The Hard Drive Via SMART Attributes

Another option that you can try to solve this error using the Smart attributes. It is an inbuilt Windows feature that can help you to check the status of your hard disk health. So, to check your hard disk using the Smart attributes, follow these steps:

Step 1: Firstly, press the Win + S key at the same time, then type the “command prompt


Step 2: Next, right-click on an application & choose the Run as administrator option.


Step 3: When elevated the command prompt, you have to execute the below-given command:

wmic diskdrive get status

Step 4: At this time, if the response is normal then you can go with other methods.

Fix #3: Run the Error Check

The disk error checking could resolve the inaccessibility problem and check for the bad sectors, file system errors, lost clusters, etc. And also boost your system’s performance. Hence, to run the Disk Error Checking, try the beneath steps:

  • First of all, make right-click a hard drive & click on Properties.
  • After this, tap on the Tools tab
  • Now, under the Error-checking, you need to click on Check.

Error Checking

However, if your computer detects the error which you are getting, then it prompts the message to simply scan the hard drive. When the scanning process is finished and there is an error, then you will be asked to reboot your PC.

Fix #4: Update The External Hard Drive Driver

In order to fix the request failed due to a fatal device hardware error that is caused by the outdated driver, you need to update the driver. To update the driver by using the Device Manager, just go through these steps:

  • Simply, press the Windows + R keys together, then type the “devmgmt.MSC” & press Enter.


  • Under Device Manager, find an external drive

select Device Manager

  • Next, right-click on it and select the Update Driver Software

Update Driver Software

  • In this step, you have to select the “Search automatically for updated driver software

After completion of the above steps, you need to wait till the process finishes.

Fix #5: Check & Repair The Bad Sectors

The bad sectors aren’t as dreadful as you think until and unless they’re spreading all over a hard disk. Therefore, to check & repair the bad sectors or file system corruption you can use Windows Diskpart utility. It can easily solve the hard disk inaccessibility problems.

Here are the easy steps, how to run the DiskPart command to repair and recover data from an SD card or hard drive with bad sectors:

Step 1: At first, open the Command Prompt on your Windows PC.

Step 2: Then, type the chkdsk x: /f /r (x represents a hard drive letter)

The syntax for check disk:

  • /f fixes system errors
  • /f fixes bad sectors

Fix #6: Change The Drive Letter For An External Drive

Every external hard disk that you connect with your system is assigned a drive letter. Nevertheless, if there’s a conflict that prevents certain drives from accessing, then changing a drive letter could resolve your problem.

In order to change the drive letter for an external hard drive, follow the below-given instructions:

  • Initially, search a Disk Management & the press the Enter
  • Next, right-click on your external hard drive & select the option Change Drive Letter & Paths 

Change Drive Letter and Paths

  • Now, choose Change& set different drive letters before hitting the OK 

If this method won’t help you to fix the request failed due to a fatal device hardware error SD card, then proceed to the next one.

Fix #7: Initialize the hard drive in the Disk Management

In case, if your external hard disk is labeled with an Unknown not-initialized in the Disk Management, you need to initialize the hard disk to solve the issue.

Step 1: Open the Disk Management, then right-click on the inaccessible hard disk

Step 2: Select the Initialize Disk.

Initialize Disk.

Step 3: Under the Initialize Disk, select a partition style for the chosen dis & click OK.

Once the initializing process gets completed, you can create the partition on a disk & then store data on it.

Please Note: This process can delete all the data that saved on your drive. So before executing this approach, don’t forget to take a backup of your files.

Fix #8: Format The Hard Drive

After trying all the aforementioned solutions, if you’re still unable to fix the request failed due to a fatal device hardware error, you can move to format your disk. This is the last option left for you to deal with such an error.

  • First, open the Windows Disk Management.
  • Locate an inaccessible hard drive.
  • Next, right-click on it & select the “Format”.
  • Then, set a correct file system, volume label & allocation size of unit (you can also keep the default information provided by the system).
  • Make a tap on “OK” to confirm in the same interface
  • Again, click on the “OK” option in another pop-up window to begin the formatting.
  • Now, wait till the formatting process completion.

Fix #9: Replace The External Hard Drive

If none of the aforesaid methods work, then the last option left for you to deal with fatal device hardware error is to replace your defective hard drive. Though, if you don’t want your media files then you’ll need to have a drive replaced.

The process is complete!

Recover Data From Hard Drive After Fixing The Fatal Device Hardware Error

After fixing “the request failed due to a fatal device hardware error” if you ever find that your data has been deleted from a drive then don’t panic. As you can try the best option that is Hard Drive Recovery Tool, it will surely help you out to recover deleted data from damaged or non-detecting hard disk.

This data recovery tool is very easy to download, install, and perform the recovery process in just a few steps. Apart from that, it is compatible with both the platforms; Windows as well as Mac OS. So, you can try this tool as per your niche.

emidDownload Photo Recovery For Windows emidDownload Photo Recovery For Mac
* Free version of the program only scans and previews recoverable items.

This external hard drive data recovery software can also recover files from SD card, memory card, microSD card, and other storage media.

Here, you can go through the step by step guide to recover stuff from digital devices in no time.

FAQ (Frequently Asked Questions)

What Is A Fatal Device Hardware Error?

An error the request failed due to a fatal device hardware error arises when trying to transfer or copy the files between the physically damaged drive and PC. Or your operating system is not able to access or execute the read/write processes on it.

How Do I Fix A Fatal Error On My External Hard Drive?

Here are some easy troubleshooting tips to fix fatal device error:

  • Restart the PC.
  • Connect your external hard drive to another computer.
  • Change a USB port or USB cable.
  • Run CHKDSK to check the disk for errors.

What Is The Best Tool To Repair A Hardware Device Error?

In order to repair the disk errors, you need to use the best utility that is Chkdsk on your Windows OS. Chkdsk (Chkdsk.exe) is a command-line tool that creates and displays a status report for the disk by checking volumes for problems.

Time To Verdict

In this post, I have discussed how to repair fatal device hardware errors. You need to just follow the aforesaid techniques to fix fatal device hardware error external hard drive Seagate error. All the solutions mentioned here are very easy and effective, anyone can try them even without any technical knowledge.

However, if you ever find your data gets deleted after trying the solutions provided in this article, then you can simply try the Hard Drive Recovery Tool. This program will definitely help you to bring your lost data back with ease.

If you’ve found this post helpful enough, please share it with your friends who’re also getting this same problem & want to fix this.

Thanks a lot for reading my article…