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For anyone having this issue. A workaround for me was to connect to an external screen. I've been fighting with this issue for a bit over a month now. I have a Alienware 17r3 with Optimus technology. I've updated my driver's, did a fresh install of Windows 10, to no avail. I have PD16, tried the patch, disabled Intel GPU, none of this worked successfully. Going into the Nvidia control Panel, would not give me the option to select Nvidia GPU for PD16, neither going into display advanced settings and putting PD16 in high performance mode. Pretty frustrated, I was just reading whatever tidbits of info in graphics settings, and came across where it says when you connect external monitor to HDMI, the Nvidia GPU will always use that. So on whim I connected it to my bedroom TV, shut down PD16 which was taking a painfully long time rendering a project I was working on, and restarted PD16. I opened the project and everything from mouse movement, playback, moving media files on the timeline, etc - was significantly smoother. I rendered the project again - this time GPU acceleration gave me the option to check it, and looked in task manager, sure enough Nvidia GPU was being used. I've had the Alienware 17r's 3/4/5 before and could never recall this happening before - until I remembered what they all had in common is I've always had an external monitor connected to them. I've relocated, and keeping space in mind never felt the need to get a monitor. It's not ideal - especially since other programs work with the Optimus technology fine, but it's definitely cheaper than buying a thunderbolt enclosure for an external graphics card or buying another laptop
For those of you who already know this, my apologies. I put this out there for folks that are knocking their head against a wall like I was ![]()
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