Desktop recently doesn't sleep by itself despite given a 3-min sleep

This is a fairly new Dell Inspiron 3780 and a screenshot of my power options are attached. When I touch a key after I've been away for a while, the keyboard lights up and MOST of the time the display comes back. But randomly, the display stays...

So I just installed 3 x 120mm corsair ll series fans, + X62 liquid cooler. Since then, my PC won't go to sleep anymore! I can leave it for hours and it keeps on running. I updated my drivers, i typed 'Powercfg ... " in my CMD and theres nothing...

I've got a windows 10 Desktop that I need help with. Ever since around a week ago, my screen does not turn off automatically, nor does it go to sleep when I leave it for a while (like overnight) It might be ever since the Creator's Update, but I...

since a few days after having downloaded the last update, sleep mode as i point it doesnt 'remain as sleep i mean the monitor shut down but restart after a few minutes my platform is windows 10 home

My computer does not go to sleep mode for some reason. I can get it to sleep mode manually but it doesn't do it automatically like it shows in the power option that I had set to 5 minutes. The display does turn off on its own. its just the that the...