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Summary: An external hard drive is a mechanical device that is prone to damage and corruption like other storage drives. If you are facing any situation in which your drive isn't detected, stay calm and use the DIY methods described here to safely recover your data using Stellar Data Recovery software.
We often come across questions on technical forums where people describe that their external hard drive isn’t detected on their machines. For example-
My computer isn’t detecting my external hard drive. This is surprising since everything was working fine until an hour ago. My machine shut down unexpectedly while transferring some data from the drive and now, it isn’t showing up on my PC. There’s a lot of important data on the drive. Can anyone give me a hint as to what the problem is and how I can get a hold of my files?
Such situations though alarming, aren’t uncommon. An external hard drive is just another mechanical device that is prone to damage and corruption like other storage drives. Thus, you must be aware of the ways to deal with unexpected problems like the one described above.
Most of us use an external hard drive for storing data backups; however, hard drives can often be unreliable. That’s why experts suggest we should maintain multiple copies of our crucial data, that too, at different locations and on different storage devices. Nevertheless, knowing why a hard drive isn’t detected on a computer plays an important role in rectifying the problem.
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When a hard drive isn’t detected on a system, you might not see anything happening on the system after connecting it. No sound, no Auto-Play pop-up, and the drive might not even appear in Disk Management tool.
Alternatively, you may see a message, “You need to Format disk Drive E: before you can use it. Do you want to format it now?” flash on the screen on connecting the external hard drive (see screenshot).
[Caution]: Don’t click ‘Format disk’. This will erase all the data on the drive. Formatting the hard drive appears an ideal and may be the only option available. However, it is common knowledge that formatting erases all data on the drive.
So what can one do to make the drive usable again without losing the data that is already present on the drive, but isn’t recognized by the system?
Before you decide on giving up or running to a service center, here’s what you should try out:
1) Try plugging in the hard drive into another USB port. If it works, that means the problem is with your system’s USB port.
2) Try connecting the hard drive to another computer.
3) Reassign drive letter to the hard drive. For this:
The last fix should make the drive recognizable and accessible to an extent. However, you might get a prompt message to format the drive to use it again. In such a case, hit ‘Cancel.’
However, if you have already clicked ‘Format’ after such prompt, stay calm. You can get back your data even after formatting.
Important Note: Immediately stop using the external hard drive if it is formatted to avoid overwriting. Do not store any data or attempt to access the hard drive. All your previous files are recoverable unless overwritten by new data.
You can recover the lost data from a formatted and unrecognized (RAW) drive or volume by using a professional data recovery software like Stellar Data Recovery Professional for Windows. Below are the steps that you must follow to get back your crucial data:
Tip: Turning file preview OFF boosts the scanning speed.
Try out its demo version to test the software’s data recovery capabilities. You can scan and preview recoverable files with the demo version. Once satisfied, you can buy the full license to save the recovered data at your desired location.
Always remember to maintain at least two backup copies of your crucial data. Moreover, avoid meddling with the hard drive while it is being used.
Do not disconnect it while in use, and always safely remove the drive after use. However, if you still find yourself in a difficult situation, like the one described in this article, stay calm and use the methods described in this post to safely recover your data.
Problem solver and Data recovery specialist. Usually share informative articles on data recovery, database corruption and ways to recover lost data.
Thanks for the nice post! The steps to recover data from an external hard drive that is not detected are beautifully narrated in the above blog. It even motivates common men to recover any lost data by themselves.
I installed the software but my external WD hard drive is still not detected. what should I do? Please advise.
Hello Saad,
Please make sure the external drive should be detected in the system properly. If the drive is not detecting in the system, then our software is unable to read that drive for recovery.
Further, you can also perform “Can’t find drive” process in the software in order to recover data from an external drive. If still drive is not showing then you can contact data recovery services.
Contact No: +1-877-778-6087 ; Email id: support[at]stellarinfo.com
My Wd external drive shows up as a local disk. I tried opening Disk Management but it doesn’t do anything. Nothing appears. When I open file explorer it doesn’t respond. I did right click on it and after about a minute I got the following message:
D:\ is not accessible. The parameter is incorrect
Will I be able to recover my files?
I’ve tried this on my laptop with the same results.
Update. Before I started writing this I had right clicked on the drive letter and clicked on properties and about 4 minutes later it opened. It said there was 0 files and 0 space (I think)
Hello Jon,
You can use our Stellar Data Recovery Professional for Windows software and can select ‘can’t find drive’ option to locate the partitions of the drive.
Please scan the partition and can check the recoverable files in the preview section.
Download Link: https://cloud.stellarinfo.com/StellarDataRecoveryProfessional-B.exe