Are you unable to access your Seagate external hard drive when connected to your PC? Well, I must say that you have come to the exact right webpage because here you will definitely be going to know how to fixSeagate external hard drivenot detected error.

Seagate has evaluated current product lines to determine which ones will be supported in macOS 10.15. Older drives that are not listed here may work, but have not been tested. Notes: This is a general compatibility article and not a troubleshooting article. If the drive is not being detected by the computer, click here to see this article. I have a seagate 500GB expansion drive which i brought about a year ago. I was using windows at that time, so i had no problem with it. Recently, I have switched to mac and saw that my hard disk was not writable on mac. Sep 28, 2019 Carrying Your Seagate Expansion Around with your Mac. Seagate sells your Seagate Expansion as a portable. And is a convenient size and weight to carry around. But your Seagate Expansion portable drive is a mechanical drive. And it has moving parts inside. Unlike a solid state drive. Accidentally dropping your Expansion could well damage it. External Hard Drive compatible with portable DVD player by LellyF Apr 13, 2011 1:11AM PDT I am hoping to use my portable DVD player with USB drive (Seagate 500 GB) to play movies on the go. Seagate has evaluated current product lines to determine which ones will be supported in Windows 10. Older drives that are not listed here may work, but have not been tested. Note: Software not listed below is not supported on Windows 10.

Also, you will get to know how to recover data from Seagate external hard drive not recognized, if the data gets deleted while fixing this error.

But first, let’s get started with its fixes…

How To Fix Seagate External Hard Drive Not Recognized or Not Detected Error

You can try the below solutions to fixSeagate external hard drive unrecognized or undetectable error. These solutions will definitely help you resolve this error now.

Important Note: The below-mentioned solutions are not only applicable to fix Seagate external hard drive driver not recognized the problem but also to fix Seagate external hard drive light not blinking and therefore it is not detecting.

Besides that, these solutions can also be used to fix all other external hard drives such as Samsung, Hitachi, Toshiba, LaCie, Thunderbolt, eSATA, Firewire, etc that does not get recognized by your Windows computer.

Solution #1: Connect External Hard Drive To Another PC or Mac

Sometimes, the USB port of your system does not work properly or the USB port itself is damaged.

So, if you notice that external hard drive light is blinking but it is not getting read by the system, then you can try to connect the hard drive to another system and check if it is getting recognized. Or you can try another USB port to connect the drive to your PC.

You can also try to reboot the PC and retry to connect your hard drive once again.

If it works – it is good. If it does not, then follow the next solution.

Seagate 500gb External

Solution #2: Scan External Hard Drive With Virus Cleaner/Anti-Virus Software

If you are confident enough that the virus has infected your Seagate external hard drive and because of this reason, the drive is not getting readable by the system, then you can use Virus Cleaner or Anti-virus software. This software will help you to scan and remove all viruses from your hard drive and PC. After this, you can format the hard drive to make it recognize.

Note: Apply this solution only when you are confident that virus infection has made your external hard drive unrecognizable, or else skip this solution.

Solution #3: Unhide Hidden Devices To Make Seagate External HDD To Get Recognized

• On your PC click Start. In search address bar type devmgmt.mscand hit Enter.

• Hover mouse to View and select Show hidden devices.
• Next, expand all notes just by clicking on the + (plus) symbol.
• If you find any greyed entries, then right-click on it and select Uninstall.
• Now Reboot PC and try to connect external hard drive.

Solution #4: Uninstall Hard Drive Driver to Solve External Hard Drive Undetectable Error

• On your PC, click Start. In search address bar type devmgmt.mscand hit Enter.
• This will open Device Manager. Expand Universal Serial Bus controllers and check if any device is showing as unrecognized.

• If it shows unrecognized, then delete or uninstall the drive by going to the driver tab and then check whether external hard drive displays up in My Computer or not.

• If it doesn’t display up, then restart or reboot your PC. If external hard drive shows but later it gets disappeared, then open Disk Management and change the name of your external hard drive only.

This will solve all the problems.

Solution #5: Switch ON Root Hub to Fix External Hard Drive Not Recognized Issue

• On your PC, click Start. In search address bar type devmgmt.mscand hit Enter.
• This will open Device Manager. Expand Universal Serial Bus controllers. Right-click on USB Root Hub > Properties > Power Management > uncheck Allow the computer to turn off this device to save power.

• Repeat the process for all USB Root Hub shown in the list and then restart/reboot system and try to connect external hard drive.

Solution #6: Make Changes In Registry To Fix Seagate External Hard Drive Not Recognized Error

Note: Follow this solution very carefully.

• On your PC click Start and in search address bar type regedt32 and then click on Yes.

• After this backup your registry. Go to File>Export.
• On the left panel go to
  

  HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E967-E325-11CE-BFC1-08002BE10318}

• On the right panel, if you see any lowerfilters or upperfilters, then delete
• After this re-try to connect external hard drive again.

Solution #7: Format And Repartition Seagate External Hard Drive

Another solution you can try is to format and repartition the Seagate external hard drive. It is possible to format this hard drive using the drive management or any third-party tool. But, here, you can try these below steps to format and repartition Seagate external hard drive in Disk Management:

• First of all, you have to go to Start menu on your Windows PC ad then type there ‘CMD’.
• Now, you have to make a right click on Command Prompt and then simply select Run as administrator and click there Yes to confirm if it prompts.
• Now, type the below commands one after another and then hit Enter key after each command you type in the command prompt window:

diskpart
list disk
select disk # (replace # with the letter of the USB drive)
clean

• Next, you have to go to Start menu and then simply type there ‘create and format disk partitions’ and then open it.
• Now, you have to choose there ‘New Simple Volume….’

• Now, in the next step, you have to follow the steps by step instructions directed to finish the creation. Next, you will be prompted to format the external hard drive to access it.

After performing the above steps, your Seagate hard drive not recognized will be easily fixed.

Recover Data From Unrecognized or Undetectable Seagate External Hard Drive

Many people have asked – how to recover data from Seagate external hard disk which is not detecting? So, when your Seagate external hard drive is not recognized by Windows or Mac computer, then the first thing that will worry you – is the data stored within the hard drive.

So, the first precaution you must take is to restore data from Seagate external hard drive. For this, you can use External Hard Drive Recovery Tool which is suitable and perfect hard drive data recovery. It will allow you to restore almost all file formats of photos, videos and audio files from your Seagate external hard drive on Windows or Mac.

This recovery software for external HDD can easily detect your unrecognized external hard drive and deeply scan and extract digital media files. These media files recovery include pictures, photos, videos, movies, music, songs and other audio files from any external hard drives, including Seagate external HDD as well.

Important Note:As soon as you notice that your Seagate external hard drive is not recognized on your Windows or Mac computer, then you must stop using it and do not add any new data on it. Because adding new data will overwrite the existing data and you will lose the chance for recovering files from it. After this, immediately apply the External Hard Drive Recovery Tool, scan it and recover digital media files from it.

* Free version of the program only scans and previews recoverable objects.

Here, you can go through the step by step guide to recover deleted data from Seagate external hard drive in just three simple steps.

What Is External Hard Drive

In the era of today’s world, the external hard drive has major benefits in storing huge amount of data and hence many people would like to buy an external hard drive with a USB port so that they can store lots of data with ease.

Western Digital 500gb

Among several external hard drives, Seagate external hard drive is mostly used by a large number of people all across the world, because of its good performance.

However, sometimes when you plug Seagate external hard drive into the USB port of PC or Mac then the hard drive is not detected by the system. If your Seagate external hard drive is brand new, then you can directly go to manufactures to deal with the problem or you can replace it with another hard drive.

Reasons: Why Seagate Hard Drive Not Detected Error Occurs?

There could be several reasons that can make your Seagate hard drive not detected. Some of the common reasons are mentioned below:

• The hard drive might have got damaged
• The USB port of a PC or Mac computer might be damaged or Seagate external hard drive not working
• Maybe your external hard drive has got infected with virus or malware
• Hard drive driver installed on your system might have been outdated
• Hard drive failure or maybe hard drive contains bad sector or it has gone bad or corrupt itself

These are some common problems. So, what you can do to fix these problems when your Seagate hard disk not detected or not recognized?

Just Relax! Below you will find the solutions that will help you to effectively fix these problems and makes your Seagate external hard re-usable once again.

Related External Hard Drive Issues And Solutions

Why Is My External Hard Drive Not Showing Up?

Many people have also asked that – why is my external hard drive not showing up?

Well, the reasons could be various such as in some cases when you try to connect your drive to PC with a USB port you will find that hard drive is not detected. The issues could be caused by partition issue on your external hard drive, wrong file system usage, driver issues, dead USB ports or other issues. In worst situations, the drive itself might be simply dead.

So, how to make external hard drive to show up? Below follow the steps to do so:

• Press Windows Key + R to open RUN dialogue box.
• In RUN Box type diskmgmt.msc and hit ENTER.
• Here, you can see the external hard drive listed in the Disk Management Window, even if it doesn’t show up in My Computer since it doesn’t contain any partitions, it should show up here.

How Do I Fix My External Hard Drive Without Formatting?

How To Make Seagate 500gb Portable Compatible For Mac Laptop

There are many people out there asking for a solution – how do I fix my external hard drive without formatting?

Well, you can follow the above-motioned solutions 1- 6, in order to fix external hard drive issues without formatting. However, if you are looking to format the external hard drive but getting the not formatted error then learn here – How to Fix External Hard Drive Not Formatted Error.

How To Make Seagate 500gb Portable Compatible For Mac Hard Drive

If you are looking to recover inaccessible data from drive without formatting it then please visit – How To Recover Files From USB Drive Without Formatting It?

Conclusion

How To Make Seagate 500gb Portable Compatible For Mac Pro

Here I have provided several solutions and I am sure that it will help you to fix Seagate external hard drive not detected or not recognized error.

However, it is also important to recover digital media files from the external hard drive if the data has been deleted from it unintentionally.

You can try External Hard Drive Recovery Tool to do so and keep safe your data then by keeping a regular backup.

So, just try all the solutions mentioned here and use your external hard drive without any interruption.

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Alex is an expert technical writer with 7+ years of experience. His in-depth knowledge about data recovery and fascination to explore new DIY tools & technologies have helped many. Alex has a great interest in photography and loves to share photography tips and tricks with others.

How To Make Seagate 500gb Portable Compatible For Mac Computer

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