after the latest Window 10 21H1 update DWM is using over 70% of the Intel GPU, leading to thermal throttling, and a slideshow gaming experience. This occurs once a game is started. Originally this occurred with the latest OEM drivers for my HP Spectre laptop, from Dec. 2018.I installed the Intel generic driver in the hope that it would fix the issue. No dice. Updated AMD generic drivers refused to install as they were not the OEM version. So that driver remains at Radeon Software Version 18.50.08,. few years old. Looking online I could not find any settings that seem to consistently work to resolve the issue. Turning off the visual effects had no effect. Changing the priority of DWM service from High to Low had no effect. SFC found no errors. Online diagnostics do not work on this version of Windows, even with it enabled in the group policy.

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