SoA

a have m17 r4, and bios A12 , maybe repalce gtx 680m with 880M without mod inf file ???

If you don't change inf file you don't install drivers for 880M

I added my working file.

nvdmi.zip

Hi all!

M17X R4 upgrade AMD is the GTX 880M and flash Unlocked A11 BIOS flash. Disable IGP -> set display this PEG. Windows 8.1 64 bits

Now I can not install the drivers only Standard VGA Graphics Adapter.

My:

PCI \ VEN_10DE & DEV_1198 & SUBSYS_05801028 & REV_A1

EDIT: I managed to install the driver I change nvdmi.inf