Help, my WD 500GB keeps blinking

HI!, my wd5000h1u-00 keeps blinking, and it wont be recognize nice on this laptop or any other, expect the one i first used it on, its Mini latop, but now i have this new big laptop, and it wont recognize the book, i formatted it on my minilaptop and still wont work, just keeps BLINKING. i ran a virus check, nothing. PLEASE HELP!.

What OS was the one that worked and what are you using now?


both window 7, home premium … thats whats so strange. and any other computer it wont work, only on the mini.