Out 4 leds one led is showing continuously OFF : USER LEDS D3-1

Hi ,
We have purchased Beagle board Rev C from ROBU. when we connected it to our laptop for usage with given usb cable , one of the “Blue” colour is not getting “ON” out of 4. Its location is USER LEDS D3-1. Please suggest what can be done. Its new brand piece. Just opend from packed box and found the issue.
Name : Gautam
Email : gautam@panatechasia.com