Originally Posted by Blejd
I had the same problem, the fans were still working after the monitor was turned off, but all you need to do is to turn on> Display Port Sleep Mode> On / Hdmi Sleep Mode> ON In in the settings options, and the problem persists, the fans are still working about 15-30 sec after turning the monitor off and turning off.
Tried this and it worked. After approx. 1 minute the fans shut off. Thanks for the info