Check the plug on the bottom left of the LVIB. It has red and black wires. If it's plugged in on the board, open the drive and make sure it's plugged in on that board. Had same problem and the shop left it unplugged on both ends.

Never mind I missed where you said sent it back.

Last edited by Magic smoke; 01/23/16 06:00 AM.
When every circuit board is made. They put a little magic smoke inside.