by BIOS has gone "banana's"

canot change it, cannot save it, cannot reset to default.
can someone "backup" or send me a copy of a Lenovo B575 laptop?
Lenovo don't have it, pheonix don't have it, biosagent don't have it

Lenovo B575
Model (motherboard):1450A7U
phoenix bios
Chipset AMD 1510 rev 0
thanks