I have a HP Pavilion 17-f110nw laptop wich has a geforce GT 840M.
Lately i formatted the hard drive and installed a fresh win 10 installation on it ( v1709, disabled updates, cause i don't want them, could this be the case? ). I have installed the proper nvidia notebook drivers
(notebook 419.67 for 64-bit windows 10)
Theoretically everything should be working. I set
"High-performance NVIDIA processor" as the prefered GPU, windows recognises the graphics card in device manager, i can see it in the "render" tab in dxdiag, i can see it in HWMonitor.
The problem is, despite all my effort to get all the settings right, the card is never ever used. Whatever i run, even if i select to run it with the card in context menu, does not actually use the graphics card, as it is indicated by performance (totally non existent, the computer barely stands TES:V menu, youtube in 4K, but back in the day it used to run Witcher 3 on medium ) and GPU load, wich i can monitor in HWMonitor(there is none).
I also tried OEM drivers from HP's website (https://support.hp.com/us-en/drivers/selfservice/hp-pavilion-17-f100-notebook-pc-series/7234909/model/7492694) and they provided the same effect.
Any help would be appreciated
EDIT: With a heavy heart i installed windows updates(the pc is really significantly slower now, did not expect that), and some HP drivers along with it, hoping that this might help, i will try a bunch of things now and see if the fact that windows is up to date is of any help. I will try installing chipset drivers wich are meant for v1803
Best Answer
I ran into this problem, and the answer ended up being in the NVIDIA control panel. Open the NVIDIA Control Panel and go under "Manage 3D Settings". You can change it on the Global Settings page (as you've tried) or you can go to the "Program Settings" tab, where you can assign a default GPU to individual programs.
I opted to go with assigning it on a program-by-program basis to make sure the right apps were getting the GPU I wanted assigned.