After it restarts, unplug your Roku TV from the power outlet. This is key. Wait for about 60 seconds. This allows any electrical charge in the capacitors to dissipate, ensuring the cache is fully ...

If your TV picture still isn't as sharp as it should be, even with HDR turned on, one of two HDMI settings might be to blame. Luckily, they're easy to fix.

This is the place to go if you want to access all your HDMI settings. In the HDMI menu, you'll also find options to switch inputs or run a TV input test. To access it, press the Home button on your ...

Here are a few additional Samsung TV tweaks that can improve audio and picture quality in games and entertainment.