Cant enter BIOS on laptop HP 4530s

[ISMAILSHAKIR]

HI I am in deep trouble, I HAVE hp 4530S LAPTOP AND I THINK THAT MY SYSTEM HAS CRASHED. I NEED TO REORDER MY BOOT PREFERENCES. BUT I CANT ACCESS THE BOOT SEQUENCE NOT EVEN WITH F2, DEL, F12, F10, ESC. NO KEY IS WORKING. WHAT DO I DO??

 

[mi1ez]

have you tried with an external keyboard?