all checked and having correct voltages. bios vcc having 1.8volt. external monitor also connected but no result. no post. num lock, caps lock not showing any sign.

already tried but no luck

Can anyone please help me to provide bios for S145-15AST Laptop (ideapad) - Type 81N3, Processor
AMD A6-9225 Processor(A6-9225), all power regulators are working as usual but no display. I have attached the original backup taken from bios.
Also please note that i have tried several bios file that are available but no result.
It will be a great help if someone provide me a working bios file.
Serial number is PF2K3CX9.
Bios 25Q64FWSIQ...