Bricked HP DV7-4075sf

I used a modded BIOS and have change the "Display Mode" from "Hybrid" to "dGPU" (dicrete GPU) and now my omputer DISPLAY IS GONE
Specs:
HP DV7 4075sf
Board: 144B
6GB RAM DDR3
i3-M350
17,3" 1600x900

Modded Bios I flashed:
sp55299 modded bios which match 100% for my Laptop.
BIOS: InsydeH20 f.29

Help please, I really need this laptop.
I tried recovering it with USB HP_TOOLS but nothing happened

HELP ME PLEASE.

Enjoy my funny Englih.