A:AnswerIt can run decently, but nobody really plays games at 4K because no matter what you’re sacrificing FPS, better to just run high settings looks good like that anyways
A:Answercheck if your mouse is plugged in properly and if your monitor is working also with the monitor you can try using a different hdmi cable/displayport cable if none of that works start trying to look up trouble shooting videos and call hp support
you can also try resetting the ram (pulling them out and back in)
A:AnswerThe one I purchased according to omen command center the gpu stays around 87°F at idle and I’ve seen it go up to 93°F under load and the cpu stays around 150°F and that was under the normal fan load