Fixed: Seagate external hard drive not showing up in Windows 10

Here is a step-by-step guide for you to fix Seagate external hard drive not showing up in My Computer in Windows 10. Providing that data is valuable, we suggest you try fixes first to make the disk show up in Disk Management, and next take one more step to recover data on the unrecognized Seagate external hard drive with the help of EaseUS Data Recovery Wizard.

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"My 320 GB Seagate external hard drive is detected but not showing up in My Computer. What should I do? In Device Manager, it gets detected and in disk management, it shows up as 'unallocated'. Is there any way to fix the issue? If I initialize it, will I lose all the data on the drive? I'm using Windows 10."   

How to fix Seagate external hard drive not showing up in Windows 10

Sometimes, when you plug in your Seagate external hard drive to PC, it cannot be recognized by your PC. As a result, the disk and the folders & files on it then become inaccessible. Actually, there are not the few have experienced such an issue of Seagate external hard drive not showing up in Windows 10 Computer. Next, we will show you how to fix the issue without losing data.

1. Make Seagate external hard drive show up in disk management

The first thing you need to do is to check if it is showing up in disk management. If yes, you can skip to the next step. And if not, you should first update the disk driver to make the Seagate external hard drive recognized by Windows and show up in disk management.

Step 1. In Run (Windows + R), type devmgmt.msc and hit Enter.

open device manager in windows 10

Step 2. In Device Manager, next to Universal Serial Bus controller, click "+ (plus)". Then you'll see a yellow exclamation mark. Right-click and choose update driver software.

update driver software for seagate external hard drive

Step 3. Click "automatically search for driver software online..."

search automatically for driver software online

Step 4. After the process completes, restart your computer and the driver should be automatically installed and loaded in your computer.

Step 5. Go to Windows Disk Management (This PC > Manage > Disk Management), check if the Seagate external hard drive shows as a normal hard disk there. 

Sometimes, even the hard drive shows up in Disk Management, it's with strange characters like Unallocated, RAW, disk unknown not initialized, etc. It's detected but not accessible, so this time you must perform data recovery on the hard drive without delay.

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If you are having a similar issue on your hard drive, you may directly try the fixes below. 

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How to Fix Hard Drive Not Showing Up in Windows

Are your hard drives, be it new or old, internal or external, not showing up in File Explorer or Disk Management? Follow to learn how to make your hard drive showing up again in Windows 10/8/7 without losing data.

Hard drive not showing up

2. Recover data from the Seagate external hard drive which is showing but not opening

When you see the Seagate external hard drive listed in the Disk Management window, you can try EaseUS disk data recovery to retrieve your data. It works well on external hard drive data recovery even when the disk is not opening in your Computer.

By going through three short stages, you can easily find lost data on a Seagate external hard drive. 

Step 1. Find the Seagate external hard drive after it's correctly connected to your computer. Select the drive and click the Scan button.

select your seagate external hard drive and click scan

Step 2. Soon, the software will find more and more data and display the data in the scan results.

scan the lost data on the seagate external hard drive

Step 3. You can use the Filter feature to quickly locate some specific file types in the results. Select the target files and click the Recover button. 

select files and click recover

3. Reformat and partition Seagate external hard drive to make it show up in Computer

After Seagate external hard drive recovery, you can then reformat and partition the disk to initialize the disk and make it show up in your computer without losing data.

Step 1. Go to This PC > Manage > Disk Management, right-click the disk partition you need to format and then choose Format.

format seagate external hard drive

Step 2. In the pop-up window, you can set file system and cluster size and then click OK.

Note: If you also happen to encounter the flash drive not showing up on Mac, here is the access for online help. 

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Updated by Tracy King

Tracy is enthusiastic to share technical tips and solutions about computing and technology. Being an EaseUS member since 2013, she also writes instructional content about data recovery, file/disk partition/system backup and recovery, partition management and iOS/Android data recovery.

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Written by Roxanne

Roxanne is one of the main contributors to EaseUS and has created multiple posts on digital devices like PCs, Mobile phones, tablets, Mac, etc. She loves to share ideas with people of the same interest.

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