Live Duo with Two 2TB, light is solid yellow, not detectable

Network cable is attached and blinking green but drive has been solid yellow now for a few hours and not detected.

How can I fix this?

As the yellow light is appearing on the front MBL duo. It means the drive is in disk check mode or drive has begun loading the Operating System(OS). It is recommended to leave the device as it is right now.

To know the different LED behavior of the MBL Duo, you can refer to the page number 11 of user manual from link mentioned below.