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#21
Same problem
I have an HP pc with AMD processor. After upgrading from Win 7 Home to Win 10, the monitor will not turn off when running the screen saver. I have screen saver set to 5 min (Photo Gallery - random), turn off monitor at 15 min, and sleep at 30 min. Screen saver starts at 5 min but it stays on forever and the monitor never turns off. I disabled all the wake settings in power options and with the network card but still have the problem. Amazingly, when I set it to screen saver 1 min, monitor off 2 min, sleep 3 min, then all work correctly. But if I change to any other times, then the monitor never turns off.