Question / Help OBS Stutters/Lags after a while if I don’t move the mouse

#1
I’m streaming from my PS4 Pro through an Elgato HD60 S capture card into OBS on my Windows 10 MSi GE63 laptop. Everything works perfectly, but OBS stutters/lags if I don’t move the mouse for a while. As soon as I move the mouse, everything runs perfectly again. This actually happens whether I’m live or not.

I set the laptop power mode to Performance, disabled sleep and hibernate, and turned off Windows game mode. I’ve searched a lot but can’t seem to find anyone else with this issue. Any other ideas why this is happening? (This is my first Windows computer in over a decade, so I apologize if the answer is obvious.)
 
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