User with any of the M14x R2 / M17x R4 / M18x R2 notebooks with a current BIOS have reported issues when using the Secure Boot / Fast Boot options in combination with the dedicated Nvidia / AMD GPU.   Files contained in this archive: GTX 660m - 80.07.39.00.0F.zip Dell GTX 680m - 80.04.5B.00.02.zip Dell 7970m - 015.022.000.001.000000.C42904A1.119.zip Dell &#