Select (for drives over 2TB) or MBR (for under 2TB). Then follow Case A.
If that appears but you know the drive has data:
Once the Seagate external hard drive is initialized and formatted, you can assign a drive letter to it: how to install seagate external hard drive on windows 10
Windows 10 treats external drives as “removable” even when they’re not. You can change that with a registry tweak (to enable Recycle Bin on the external drive), but that’s a guide for another day.
Most Seagate drives come with a "Start Here" application on the disk itself. Select (for drives over 2TB) or MBR (for under 2TB)
First, connect the Seagate external hard drive to your Windows 10 computer using a USB cable. Make sure the hard drive is properly connected and powered on.
Seagate offers Toolkit (download from seagate.com). It adds: You can change that with a registry tweak
: You may be prompted to download Seagate Toolkit or Dashboard . This software allows you to set up automatic backups, mirror folders, and manage security settings. Step 4: Formatting (If Required) Drivers for Seagate External HDDs and SSDs FAQ
Right-click the black bar → → follow wizard: