Fixed: Seagate Hard Drive Not Detected / Recognized

This article will analyze the reason why Seagate hard drive not found in Windows, and provides 4 methods of fixing Seagate hard drive not detected in Windows 10, 8, 7.


By Dervish / Updated on May 12, 2023

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My Seagate hard drive not found

Searching on the Internet, we can find some question like “I have a 1TB Seagate hard drive, but it cannot be found in File Explorer. Can you help me fix this issue? Thanks in advance!”

As is known to all, Seagate is a relatively common hard drive brand. And Seagate hard drives are popular among computer users for their good performance. However, users may sometimes encounter problems like Seagate hard drive not detected or Seagate hard drive not recognized. At this point, the data on the Seagate hard drive will become inaccessible. And you cannot use the Seagate hard drive properly.

Common reasons of Seagate hard drive not detected

Have you ever encounter the similar problem as the above presented case? Do you know the reason of it? Here below, you can see the common reasons for why Seagate hard drive becomes undetectable/unrecognized.

● This Seagate hard drive does not automatically assign a drive letter.
● May be your hard drive has got infected with virus or malware.
● The Seagate hard drive might have got damaged.
● Hard drive failure or may be the hard drive contains bad sector.

These are common reasons. So, what should we do to deal with it? Read below to find the best solution.

Solutions of Seagate hard drive cannot be detected?

If the hard drive cannot be detected, you can try the solutions below:

Solution 1. Assign drive letter for your Seagate hard drive

Sometimes, the hard drive not showing up in File Explorer because it is not assigned a drive letter. In this case, you only need to assign a drive letter to the hard disk to solve this problem.

Solution 2. Detection of antivirus

If the hard disk has got infected with virus or malware, you should run anti-virus software to detect and repair the hard disk.

Solution 3. Format Seagate hard drive

If the file system of Seagate hard drive is corrupted, it won’t be recognized in computer, you can format it to solve this problem. It is a good choice to use third party tool like AOMEI Partition Assistant is a professional hard drive manage utility which can help you format the unrecognized Seagate hard drive conveniently in Windows 10/8/7, Windows XP, as well as Windows Vista. 

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The following example will show you the specific steps of formatting the Seagate:

Step 1. Download, install and run AOMEI Partition Assistant. Right click the partition of your Seagate hard drive and select “Format Partition”.

Format Ntfs Partition 30gb

Step 2.In the pop-up window, choose the file system you want. And you can also specify “Cluster Size” under file system if you need to. Then, click “OK”.

Select Ntfs 30gb

Step 3. After that, it will go back to the main interface. Preview the changes and click “Apply” > “Proceed” to complete these operations.

Apply Proceed 30gb

Solution 4. Repair corrupted hard drive in Windows 10/8/7

If your Seagate hard drive contains bad sector, AOMEI Partition Assistant can help you too. It provides easy-to-use disk partition management. Let’s see the specific steps:

Step 1. Run AOMEI Partition Assistant. Right-click the partition of the Seagate hard drive and choose “Check Partition” under “Advanced” tab. 

Advanced Check Partition

Step 2. In the pop-up window, select the way of checking errors to perform and click “OK”.

Check Partition And Fix Errors

Then, wait for the process to finish.

Check Partition For Errors Completed


After follow these simple steps, you can easily solve the problem Seagate hard drive not detected or recognzied. AOMEI Partition Assistant can be the best hard drive manage utility. Besides Format Partition and Check Partition, it also provides you many other powerful functions like Create/Delete/Resize partition, Rebuild MBR, Copy disk, even create Windows 11 bootable USB and so on. If you want more advanced feature like Partition alignment or Allocated free space, you can upgrade to AOMEI Partition Assistant Professional.

Dervish · Staff Editor
Dervish is an English editor of AOMEI Technology; He is delicated to offering users easy and effecitve solutions for issuses related to disks and partitoins. In his spare time, he enjoy wathcning films, playing footable, traveling and so on.