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Laptop using integrated graphics and not dedicated

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  • Laptops
  • Graphics
Last response: in Laptop Tech Support
July 15, 2017 5:21:11 PM

I just bought the Lenovo Idepad 510 that has a GTX940mx in it, but when I loaded GTA 4 it said I had 512mb of Vram instead of 4gb. I went into Nvidia control panel and clicked preferred graphics render and clicked high end. I went back into GTA 4 and it still wont work. Please help.

More about : laptop integrated graphics dedicated

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July 16, 2017 12:05:09 PM

That's rather odd. If you specify within your nvidia control panel that both global and program specific settings should use the video card and it's not using it, I can only think that from within the game or perhaps steam, there is a way to select for it and for some reason it's not doing it. I can't see why it would bypass it otherwise.
When you open your device manager, you do register the card right? You see the drivers installed and no error signs?
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July 17, 2017 5:00:57 PM

Sedivy said:
That's rather odd. If you specify within your nvidia control panel that both global and program specific settings should use the video card and it's not using it, I can only think that from within the game or perhaps steam, there is a way to select for it and for some reason it's not doing it. I can't see why it would bypass it otherwise.
When you open your device manager, you do register the card right? You see the drivers installed and no error signs?


For some reason, GTA 4 uses my integrated graphics, but other games use my 940mx. Not sure why this is either. Also, shouldnt Black Ops 1 run a lot better than 1080p medium settings 45-60 fps?
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July 17, 2017 5:10:56 PM

Well...on a 940m I would say that's about right, considering it's a laptop for BO1. But your GTA is doing something off. Maybe a lack of driver optimizations or ..hum. I really don't know. GTA4 forums don't mention anything about this?
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July 17, 2017 8:14:56 PM

Sedivy said:
Well...on a 940m I would say that's about right, considering it's a laptop for BO1. But your GTA is doing something off. Maybe a lack of driver optimizations or ..hum. I really don't know. GTA4 forums don't mention anything about this?


I mean GTA 4 runs decent on my integrated graphics, theres just frame drops now and then. I think I can live with it.
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Best solution

July 18, 2017 10:46:43 AM

Hmm. There are people talking about issues with vram with that game and forcing allocation of certain amount from within game. Might want to try:
http://steamcommunity.com/app/12210/discussions/0/86496...
to see if it affects performance or if it'll switch to using the card if you up the limit.
Another link suggests the same:
https://support.rockstargames.com/hc/en-us/articles/200...
that basically it is using your video card but for some reason isn't registering its full memory. Same solution as previous link.
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