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#11
LOL sounds about right use an old driver that doesn't actually support your OS
I have been looking into this recently due to a friends Dell 2720 and now I find also a lot of other Machines with the same issue, all based on the intel 4600 and an on board Nvidia and all using optimus, This fault has been know about for ages by ALL three players, Nvidia, Intel and MS and yet noting has been done to sort it, its not just Windoes 10 this has happened in 7 and 8 and 8.1 and now 10 where the Nvidia disappears completely, sometimes it can be sen in hidden drivers but it won work, some times it will suddenly start working and that in the same fashion stop for no reason
I feel Optimus is to blame as I have personally done limitless hardware swaps, loaded many many versions of windows and browsed for what seems to be hundreds of hours
some one needs to come up with a Optimus software Manual switch that allows the user to force the startup of the Nvidia card or the manufacturers of the hardware needs to add it into the MB Bios, a set of Proper Nvisia diagnostic tools would be nice too
Nvidia, Intel and MS are not cheap companies and they need to get together and find the answer to this problem as its growing daily
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