In Windows 10, the only way I can move a maximized window is if I restore down it first, then move it and re-maximize it. It was because I had Aero Snap disabled. Power plans can help you save energy, maximize system performance, or achieve a balance between the two.

Understanding the Context

Selecting to use the Balanced or Power saver power plan can help extend your PC's battery life. Balanced - Offers full performance when you need it and saves power when you don't. This is the best power plan for most people.