No LED Light on UltraStudio Mini Recorder after Update

When i first time connect UltraStudio Mini Recorder with my Macbook air by Apple Thunderbolt Cable it's light was on and instant ask me to update the software driver then i updated that. After completing update my computer auto shutdown and open then i see LED is not on.
UltraStudio Mini Monitor LED light is being on by Same cable but UltraStudio Mini Recorder LED light not on.
Please help me how to solve this problem
Thanks