External Hard Drive LaCie Not Mounting

praveeshh wrote:

Could not mount “LaCie”. (com.apple.DiskManagement.disenter error -119930878

Try a different cable

try a different enclosure

try a different port to connect

force mount and run Disk Utility>First Aid

ref: https://discussions.apple.com/thread/4870938?answerId=21459171022#21459171022