Hello, i was updating my pc("hp pavilion zd8000") bios unfortunately power goes up(battery down) and pc shut down , when i tried to power on it doesn't respond and doesn't give me any message even sign please help me.
More aboutbios failure
Sounds like you Bricked it, always have it plugged in when doing major updates.
Yup, bad things happen when power fails in the middle of a BIOS flash. Only thing to do now is get it to a shop. Most likely will require a motherboard replacement.