TCL 75A400U-UK 75 4K Ultra HD - Black

QD-Mini LED technology combines Quantum Dot (QLED) with Mini LED backlight technology. This allows for precise control over individual LED zones, resulting in higher contrast ratios, deeper blacks, brighter highlights, and a wider color gamut than traditional LED TVs.

The Precise Dimming Series uses advanced Mini LED technology with full-domain halo control. This system precisely manages the backlight, reducing light bleed and halo effects around bright objects on dark backgrounds, leading to cleaner images and better contrast.

Micro-OD technology reduces the distance between the backlight and the TV panel. This not only allows for a slimmer TV design but also improves light control accuracy, reducing blooming and enhancing the clarity of details in dark scenes like star fields or night skies.

Yes, the TCL 75A400U-UK supports HDR content, leveraging its advanced backlight control and wide color gamut to deliver a more dynamic and lifelike viewing experience with enhanced contrast and color.

Gently wipe the screen with a soft, dry microfiber cloth. For tougher marks, use a slightly damp cloth with water only, avoiding any harsh chemicals or abrasive cleaners. Always unplug the TV before cleaning.

The TCL 75A400U-UK achieves up to a 7000:1 native contrast ratio, which is a measure of the difference between the brightest and darkest parts of an image that the TV can produce simultaneously.

Yes, the TV features advanced transient response technology to minimize motion blur and ghosting, making it suitable for gaming. Its high contrast and accurate color reproduction also enhance the gaming visual experience.

Check that the power cord is securely plugged into both the TV and the wall outlet. Try a different power outlet. Ensure the remote control has working batteries and is pointed at the TV.

Verify that the correct input source is selected on the TV. Check that HDMI cables are securely connected to both the TV and the source device. Try a different HDMI cable or port.

Adjust picture settings such as brightness, contrast, and color in the TV's menu. Ensure any power-saving modes are not excessively dimming the picture. For optimal results, consider professional calibration.

Navigate to the TV's motion settings and adjust the 'Advanced Transient Response' or similar features. Experiment with different presets or disable it if it causes unwanted artifacts.

Restart your router and modem. Ensure the TV is within range of your Wi-Fi signal. Forget the network on the TV and reconnect, re-entering your password.