Cant access my device since kids used it on xbox - help

HELP…

NOT SURE WHAT DEVICE IT IS I HAVE, THE CODE ON THE BACK SAYS WDBABV0010BBK-00.

NOT HAD ANY PROBLEMS WITH IT AT ALL AND I USE IT ON DIFFERENT DEVICES LIKE COMPUTERS, LAPTOPS AND TV TO WATCH FILMS, I ALSO HAVE MY PC BACKED UP ON IT INCLUDING MANY PRECIOUS PHOTOS.

MY PROBLEM IS THAT THE KIDS GOT THEIR HANDS ON IT AND WANTED TO WATCH A FILM ON THEIR XBOX BUT IT WOULDNT REGISTER PROPERLY FOR SOME REASON AND NOW ON EVERY OTHER DEVICE IT WONT REGISTER EITHER.

CAN SOMEONE PLEASE HELP AS I HAVE TONNES OF FILMS, FILES AND PHOTOS ON IT AND I DONT WANT TO LOSE THEM.  MY COMPUTER TRIED REFORMATTING THE BOX BUT THAT WOULDNT WORK EITHER.

JUST TRIED RUNNING A DIAGNOSTIC TEST ON IT AND THIS IS WHAT IT SAYS, UNFORTUNATELY I DONT KNOW WHAT THIS MEANS, IS IT F**KED???

FAIL

06-Quick Test on drive 3 did not complete! Status code = 06 (Failed servo and/or seek test element), Failure Checkpoint = 97 (Unknown Test) SMART self-test did not complete on drive 3!

 

and then the Extended test said

 

FAIL

08-Too many bad sectors detected