Find the HP Envy M4 1015dx BIOS

Dear all,

Sorry if i post this thread wrong place. I have upgraded the BIOS for my laptop is HP Envy 1015dx.
Unfortunally, this upgrading was unseccessfull and my laptop could not start and just have the black screen when start.

Could you help me for this origin BIOS of this PC. I could not find it anywhere.

Thanks