Nvidia Graphics Slowdown on Games

hell911

Honorable
Jan 6, 2013
45
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10,530
i have 2 graphics in my laptop, INTEL HD Graphics 4000 and GT 740m

i have chosen "GT 740m" as my "Preferred graphics processor" in the NVIDIA control panel.

i played dota 2, in the starting menu of dota 2, the game is so slow, maybe like 10-20 fps only.. it seems like my NVIDIA video card is not working.... BUT when im already playing the game.. the NVIDIA video card start working, everything is fine, video settings maxed out and FPS is stable...

so what can be the problem? why NVIDIA video card doesnt always RUN everytime?

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i also tried playing GUNBOUND, in the main menu, it is so slow.. AND.. when im already in the game fighting, the game freezes, its like video card cant catch up... so i had to end task in task manager.