Can you give us a run-down on your hardware - graphics, mainboard, etc. Your system may not be fully compatible with Advanced Power Managment.
Also tell us what your power settings are - right-click on desktop, properties.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?