Guide to fix Seagate external hard drive not mounting on Mac: This page will help when the Seagate Backup Plus drive doesn't work on Mac. In fact, this issue is very common, especially for those who frequently share the same drive between different computers. I tried this backup disk with a Windows computer and the LED light is working in that case but I am not able to get it to work with my MacBook Pro anymore. My Seagate Backup plus just stopped getting detected (led not working anymore) with my MacBook Pro 2016 model (with USB Type C to USB 3 connector) suddenly. And some say their Seagate Backup Plus can't work after being plugged into Mac. But many users reported that they were unable to mount Seagate Backup Plus drive on Mac computers. When 'tamper protection' is enabled the restores often dont work.Seagate Backup Plus external hard drive is often used for Time Machine backup. On that note: If you have Norton 360 installed and want to do a restore (no matter what backup software you use), go offline and disable 'tamper protecion' which you find by clicking the 'settings' tab. Make sure that you use the same user account name for backup as well as recovery as well as just opening files. (I have several user accounts with diffeent account names on my laptop). I was able to see the files but was unable to access the files until i realized that i had logged into my computer under a different user account name. I use Norton 360 Backup Software as well as Windows Vista Backup Software on them.

I have a Laptop with Windows Vista preimium and several newer and older seagate external hard drives. I am not a computer experienced person an therfore not sure wether I understand your problem correctly. My laptop runs win 8 and my desktop win 7 any idea how i can get my files back?

Its capacity is 2 tb and about 1.7 of it is full It also has a clicking noise on my laptop but not on my desktop I tried test disk but it couldn't copy the files either. Seagate backup plus external hard opens and shows files and folders but doesn't open or copy.

Run seagate backup