Targus PAUH210U User Manual page 12

3 Verify that the message "This device is working properly"
appears.
Macintosh Operating System
To verify that the hub is installed properly, locate the Generic
USB Hub on USB 2.0 Bus device by opening Apple System
Profiler and clicking Devices and Volumes.
USB Hub Current Limit Exceeded Warning
If a device exceeds the power available for its hub port, the
following screen appears with the offending device
highlighted.
USB Hub Current Limit Exceeded screen
To re-enable the hub port for the affected device, follow the
on-screen instructions.
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