Sets HwSchMode = 2 under Control\GraphicsDrivers, turning on Hardware-Accelerated GPU Scheduling. This hands frame-queue management and GPU memory scheduling from a Windows-side thread to the GPU's own scheduling processor, which can lower CPU overhead and shave a little latency in CPU-bound games. Requirements: Windows 10 2004+ / Windows 11, a WDDM 2.7+ driver, and a GPU that supports it (NVIDIA 451.48+, recent Intel iGPU; most AMD cards see negligible effect). No-op on unsupported hardware. Trade-off: a minority of systems see stutter, worse frame pacing, or capture/encoding glitches (OBS/NVENC) — test and revert if so. Reboot required. Revert restores the previous value (or removes it, letting Windows decide).
MaxTweaks applies this tweak with one click and snapshots your original setting first, so you can revert it cleanly at any time. A System Restore point is offered before batch changes, and every tweak links to its official source.
Get MaxTweaksOfficial documentation: https://devblogs.microsoft.com/directx/hardware-accelerated-gpu-scheduling/