I dont know how to use my Nvidia G GT640M 2gb need help

Wa1rior
Wa1rior Member Posts: 1 New User

I got the Aspire V3 771G, i been trying to play GTA4 but every time i try to play and i do a benchmarks it say that i using the IntelHD 4000 and it running at 25 fps at high. This is my first laptop so i dont know how to actived the Nvidia G GT640M 2gb.

I need a video tutorial or something lol

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