As Mashable's TV expert Leah Stodart noted last year, QLED TVs have officially gone from swanky to accessible. That means ...

The LG C5 OLED offers stunning picture quality and a sleek, minimalist design for a truly immersive experience - and it's currently on sale at several retailers.

Whether you need a quick reboot or a full factory reset, Roku gives you several options. Here is how each one works and when to use it.