OS selectively recognizes AMD GPU - Acer Aspire 7750G

DraxSklounst
DraxSklounst Member Posts: 5 New User
edited October 2023 in 2020 Archives
I have an Aspire 7750G which comes with a discrete AMD Radeon 6650 GPU.

I am trying to play a steam game (Age of Empires II Definitive Edition). But when I launch the game, I get the error: 
"Failed graphics card startup
Intel(R) HD Graphics 3000 graphics card (vendor id 32902, device ID 278) is not DirectX 11 compliant"

Based on this message, I get the impression the error comes when the game tries to launch the game with the Intel GPU, but the GPU is not compatible with the game's requirements, and the launch fails. But the game should launch with the AMD GPU.

After reading numerous articles and forums, I've tried the following:
-Went to Windows Settings --> System --> Graphics settings --> Browsed "Classic app" from the dropdown, selected Age of Empires II DE --> set to "High performance" (although in the 'graphics specifications pop-up window both "Power saving GPU" and "High performance GPU" point to "Intel(R) HD Graphics 3000"
-Went to the AMD Catalyst Control Center --> Power --> Switchable Graphics Application Settings --> Set both AOE 2 DE executable (and Steam itself, just to be sure) to "High performance"
-Went to Device Manager --> Display adapters --> AMD Radeon 6600M and 6700M Series --> Update drivers. Now the "best drivers for [my] device are already installed"
-Went to the Acer content site, downloaded and installed the latest drivers for 1. VGA 2. "Updates AMD dGPU Thames XT VBIOS-es", 3. BIOS
-Booted the machine into BIOS, checked to make sure the graphics mode was "switchable" (not "integrated"), and indeed it was
-Uninstalled and reinstalled the AMD drivers
-Tried disabling the Intel GPU entirely to test if the OS would latch on to the AMD GPU instead, but it did not. Instead the system's execution sputtered. I was able to launch the game, but the machine used some "Microsoft basic..." processor, and the game slowed to a crawl, making it unplayable. I checked the Task Manager, and no GPU was being utilized at all (same as with any other attempt)

Please help! Thank you.

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