@hideki closing it, causes some sort of hibernation mode or similar usually.
Just turning off screen should be fine.

@hideki of course there can also be a hibernation timer in settings, which should also be off for rendering
idk

@matrixsasuke i disabled both suspension and hibernation in the windows settings so in theory nothing of that should happen, just the screen should turn off and nothing more.

@hideki > windows
i think i might have discovered the problem

@matrixsasuke lel ye, i've tried several times to use linux but it has never worked very well with the laptop graphics card, either because the laptop it's old or because the chipset is AMD, i always end up going back to W7

@hideki i have a new linux laptop for blender with a ton of RAM that works like a breeze (intel graphics card)

@hideki i use simulation mostly tho, so you may have different requirements

@matrixsasuke i think simulation uses more CPU and memory ye, graphics card is more for when rendering.

@hideki Turn the screen off with the keyboard shortcut, it doesn't actually turn off the screen in this model I'm using but rather turns off any light coming from it. I know it sounds weird but that's exactly what it does, I can still see that the screen is on if I look very closely, but it makes no light at all even in a dark room.

@deadheat will give a try