Using online games with gpu-acceleration in sys-gui-gpu

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It is possible if you have dual GPU and you assign only dGPU to sys-gui-gpu. Then, just “shut down” regularly sys-gui-gpu

[Workaround] How to use external monitor in NVidia Optimus mode

For dual Intel/Nvidia GPU notebooks, as I understand it’s not possible to use external monitor/TV while in Nvidia Optimus mode because HDMI/DP ports are directly tied to Nvidia card. So we are doomed to Discrete mode, meanning using only Nvidia card which is very bad for the battery, or… Here I discovered that I can create sys-gui(-gpu) and attach only Nvidia card to it in Optimus mode even without hiding it from the dom0 and sys-gui-gpu is passed to external monitor, while using iGPU on the la…