G/Drive slim doesn't show on MacPro desktop

G/Drive slim doesn’t show anymore on my MacPro desktop but is seen on System USB profile. How do I get it to open?

If the drive is no longer mounting you will want to check your Disk Utility. If it shows there but is not mounting then it means there is a corruption in the partition of the drive and it won’t mount until its cleaned or replaced.

You can clean/replace it by erasing the drive in Disk Utility but if you have data on it that you would like or need then you will have to use a repair utility such as Disk Warrior to rebuild your drive.