Steiberg ci2 stoped working suddenly

How are you, i have a ci2 audio card, today i was at my studio an i was installing the card on a raspberry pi when suttently all the lights started to blink for a few seconds and went off, i connected the card back to my macbook and is now not recognized, i try to reinstall drivers and nothing, i connected the card on a pc install drivers and the system recognize the card but as a unknow device and wont work at all. any any help wold be really appreciated to get this babe back to action