hp laptop model A9P58UA#ABA 3033cl

i have a hp laptop model A9P58UA#ABA 3033cl model
with the audio beat button bad the laptop don't turn on for this reason
if i press the button the laptop don't turn on

i need this part where i can find it??????


is an emergency i need to travel and i need my laptop with me full working

hp parts support don't have this button this amazing

please help meeeee