Assigning high performance gpu in nvidia control panel doesn't work...

[kloixxiv]

WIDTH = 1366
HEIGHT = 768
REFRESHRATE = 60.06287
BUFFERCOUNT = 1
VSYNC = 1
LETTERBOX = 0
CURSOR_IDLE_TIME = 5
WINDOWMODE = 0
WINDOW_X = -2147483648
WINDOW_Y = -2147483648
MSAA = 1
MSAAQUALITY = 0
SUPERSAMPLE = 2
MONITOR = 0
MAXANISOTROPY = 2
TEXTURELOD = 2
PLAYERLOD = 2
CROWDLOD = 2
EFFECTLOD = 1
SHADERLOD = 1
JIT_SHADER_CREATE = 0
ADAPTER = 0
ADAPTER_DESCRIPTION = Intel(R) HD Graphics 4000
ADAPTER_DEDICATED_VIDEO_MEMORY = 33,554,432
ADAPTER_SHARED_SYSTEM_MEMORY = 1,711,276,032
ADAPTER_VENDOR_ID = 0x00008086
ADAPTER_DEVICE_ID = 0x00000166
ADAPTER_SUBSYSTEM_ID = 0xc711144d
ADAPTER_REVISION = 0x00000009


This is my videosettings.cfg. I can't change intel graphicss 4000 to NVIDIA. Could you please teach me how? Thanks.