How to Recover Data from External Hard Disk Not Detected

Part 1Can I Recover Data If Hard Disk is Not Detected?

"I have a Western Digital external hard drive that is not detected by Windows anymore. When I plug it in, the hard drive does not show up on "My Computer" but it does show up on Disk. I know there is something wrong with my hard disk. But I do need my data on that hard drive. Can I do it?"

Well, your drive can still be recognized by your computer. But when you attempt to access it, some error messages like “The drive cannot be accessed”, “The drive is not formatted” or “Raw drive is not initialized” will be popped up on your screen. The reason why the error happens can be different, and the most common one is that there is a corrupted sector on your hard drive or the MBR of your external hard drive is corrupted.

So, how to recover data from external hard disk not detected? It is certainly possible if your external hard drive can be recognized by your computer, though it can’t be detected or accessed. Wondershare Data Recovery, or Wondershare Data Recovery for Mac is almost the best option for you to recover data if hard disk is not detected. You can use it to recover data from external hard disk on your hard disk easily, including pictures, audio files, videos, document files, etc.

Download a trial version of Wondershare external hard disk data recovery software to recover data from hard disk not detected now!

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Part 23 Steps to Recover Data from External Hard Disk Not Detected

Now let’s do the recovery with Windows version of Wondershare external hard disk Data Recovery. Mac users can follow the similar operation to process the recovery.

Step 1. Select the type of files you want to recover back.

After launching Wondershare external hard disk data recovery software on your computer, select the specific file type you lost from External hard disk.

recover data from external hard drive not detected step 1

Step 2. Select your external hard drive where you lost file

Now you need to select external hard disk and hit on “Start” button to scan partitions on it.

recover data from external hard drive partition not detected step 2

Step 3. Deep Scan External Hard Disk

The hard disk data recovery software will start a quick scan, if you can't find any file you want to recover after it completed, go to Deep Scan.

recover data from external hard drive partition not detected step 3

With the Deep Scan it will deeply search more files from external hard disk. It will take more time.

Step 4. Recover Data from External Hard Disk not Detected

When the Deep Scan is over, all recoverable data will be listed in program window. You can check how many of your lost files can be recovered by viewing file names.

Then you just need to mark files you need and click “Recover” button to save them on your computer.

recover data from external hard drive partition step 4

Part 3What If External Drive Cannot be Recognized or Detected…?

The possible reasons for this issue can be physical damage, outdated Windows driver, bad sectors, etc. If trying another computer can’t solve this problem, you are highly suggested to send your drive to a device repair services.

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