bios black screen

i did the auto updatr (from hp program)

After updating bios da screen is black and nothing. Laptop is dead.

I did the windows key +B and still nothing. I have my finals nextwrek and all my notes are in here!! Why did they make this bios crap that screws up ur laptop?

My laptop is envy 15t quad. Need solution. I really wna kill hp right now