How-to
Improve Your 4K TV's Picture: Start With Movie Mode
Spending a few minutes adjusting your TV's settings can dramatically improve image quality, no professional tools needed.

Your 4K TV probably doesn't look its best out of the box. Engadget reports that modern TVs are set up to grab attention on a showroom floor, not to give you accurate pictures in your living room. Features that boost brightness and sharpness can distort the image and cause eye strain.
The first step is simple: find the movie or filmmaker mode. Engadget says movie mode (or Filmmaker Mode, a spec endorsed by directors like Martin Scorsese and Denis Villeneuve) turns off the most annoying settings, including motion smoothing and extra sharpening. These are fine for sports but can make movies look weird and "oily."
If your TV's movie mode doesn't disable motion smoothing, turn it off manually. Engadget notes that this feature injects fake frames to raise the frame rate, ruining the 24-frames-per-second cinematic look (the infamous "soap opera effect"). Tom Cruise once filmed a PSA asking people to switch it off.
Now it's time to fine-tune. Work through brightness, contrast, sharpness, color temperature, tint, and gamma. Because panels vary even between identical models, you may need to adjust each TV individually. You can use test patterns from a YouTube playlist of professional calibration patterns, linked in Engadget's article, to guide you.
Turn off eco modes (except the inactivity timer). Engadget says these reduce brightness and don't save much energy; just power off the TV when you're done.
Check your source devices too. Make sure consoles and streaming boxes are set to output 4K and the best quality they can.
Engadget says most TVs apply changes per input, so look for an "apply to all" button if you want consistent settings across devices.
If your TV supports Dolby Vision, leave it on. It should activate automatically with compatible content and is one enhancement that actually helps. For multiple modes, choose Normal (or Dolby Vision Cinema if available), with Bright for sunny rooms and Dark for dark rooms. Even in Dolby Vision, check that your sharpness and post-processing settings stayed off.
Finally, consider the room. Engadget advises not facing a TV at a window (glare) or placing it directly in front of one (bright light washes out the image). Position it perpendicular to windows and use curtains. Some light behind the TV (bias lighting) can reduce eye strain; affordable LED strips work well.
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