You can use Seagate external hard drive to backup your important data or take it as the destination disk of your internal disk during cloning process. In most cases, you can access the Seagate external hard drive from Windows File Explorer. However, it is possible that you encounter Seagate external hard drive not showing up in My Computer situation. 4 solutions: Fix Seagate external hard drive not showing up in My Computer The problem occurs mostly due to the following causes: Sometimes our PC fails or just refuses to recognize the Seagate external hard drive even after confirming the successful connection. In the last paragraph, we have listed possible reasons behind Seagate external hard drive not showing up in File Explorer. So, when Seagate external hard drive is listed in Disk Management but not in Windows 7/8/10/11 File Explorer, you can try one or more of these common solutions. For this task, you can open Disk Management, right-click the Seagate disk partition and choose “Change Drive Letter and Path”… If the Seagate external hard drive partition has no drive letter, you should assign a drive letter to it, and you can approach it from My Computer or This PC. When you see the Seagate external hard drive shows as an unknown and not initialized disk in Disk Management, it might be caused by damaged MBR. You can fix the MBR and then see whether the external disk shows up properly in File Explorer. If a disk has not been initialized, it will not be presenting in Windows File Explorer.

In such a case, right-click the hard drive, choose “Initialize Disk” and follow the appearing prompt to initialize disk. What you should pay attention to is this operation will erase all data on the Seagate external hard drive.

If the current file system of your Seagate external hard drive is not compatible with Windows operating system such as Ext4, Ext3, or Ext2, then it won’t show up in My Computer, either. In this case, you have to format Seagate external hard drive to FAT32 or NTFS (two most commonly used file systems in Windows PC). Of course, you can format hard drive via Disk Management or third-party software.

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