So, you've been binge-watching your favorite TV series on your iPhone all afternoon when out of nowhere, your screen starts dimming on you. No biggie — you probably just have auto-brightness on.
Is your Vizio TV screen dark? There are several factors that can cause this problem such as outdated TV firmware, energy saving settings being enabled, wrong picture mode settings, or even a software ...
If you have an iPhone, you would know how its screen can automatically dim or get brighter depending on your situation. If you’re near a window, the brightness goes up. If you move away, it goes down.