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Your Seagate portable drive may not be showing up because of a faulty USB cable as well so you can replace the USB cable if changing the port doesn’t work. Try to plug the drive into a different USB port and see if it is recognized. Your Mac will show this name on your desktop under the drive’s icon. Choose and put in a name on the menu where it says Name. Now you put in the details for your drive’s format. To format an external hard drive on your Mac (paraphrased from here): Connect the drive to your Mac Open Applications Utilities Disk Utility On the left hand side of Disk Utility youll see a list of drives. For some reason I lost half of my space on this hard drive once I formatted it.
#Format seagate expansion 3t for mac how to#
Check the connections and try a different USB portĪ reason why your Seagate portable drive is not being recognized could be that you might have plugged it into a faulty or loose USB port. Name Your Seagate Hard Drive And Pick Your Format. The Seagate Expansion Portable hard drive offers an easy-to-use solution when you need to instantly add storage to your computer and take files on the go. How to re-format a Seagate external hard drive for both Mac and a PC. After formatting you connect up your Seagate hard drive to Time Machine. You can format your external drive using the instructions in an article here. As that is the file system your Mac uses for a Time Machine backup. Seagate External Hard Drive Not Showing Up In Windows 10? Let’s Go Step-by-Step!Įvery step is good enough to solve this problem, so don't miss any of them! Step 1. You’ll first need to format your Seagate external hard drive to Mac OS Extended (Journaled) file system. These include outdated drivers, virus attack, etc.
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Hard drive failure may occur due to external factors like high magnetic fields, physical damage, water ingress, etc. It is the most common situation for a USB port to not work properly. If your Seagate external hard drive is not showing up in Windows 10, 8 or 7, the problem may be as simple as a USB port.