Basic checks like the USB cable, USB port, and power resource. Here are solutions to the Seagate Backup Plus not working or mounting issue. So it's very urgent to fix the problem to make it work again. And you can't access the data stored on it.
If you can't mount the Seagate Backup Plus drive in Disk Utility, the hard drive won't work on Mac. 7 solutions to Seagate Backup Plus not mounting/working on Macįor some reason, Seagate external hard drives could not be recognized by Mac.
This page will help when 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.
