The Samsung 75" Crystal UHD DU6900 has specifications including a Crystal Processor 4K and PurColor for enhanced picture quality, and it supports 4K resolution. To troubleshoot non-working HDMI ports, disconnect all devices, perform a soft power reset (unplugging and replugging the TV), try a different HDMI port and cable, and ensure the correct input source is selected on the TV,
TV - 75" Samsung DU6900 Class Crystal UHD (HDMI Not Working)
Specification Details Brand Samsung Model UN75DU6900 (DU6900 Series) Screen Size 75 Inches Resolution 4K Ultra HD (3840 × 2160) Display Type LED (Crystal UHD) Backlight Type Edge-Lit LED Refresh Rate 60 Hz Picture Processor Crystal Processor 4K HDR Support HDR10, HDR10+, HLG Picture Technologies PurColor, Mega Contrast, Contrast Enhancer Motion Technology Motion Xcelerator Upscaling 4K Upscaling Smart TV Platform Tizen Smart TV Voice Assistants Bixby, Amazon Alexa, Google Assistant Smart Features SmartThings, Samsung TV Plus, Web Browser, Apple AirPlay Gaming Features Auto Low Latency Mode (ALLM), HGiG Audio Output 20W (2 Channel Speakers) Audio Technologies Object Tracking Sound Lite (OTS Lite), Adaptive Sound, Q-Symphony HDMI Ports 2 × HDMI USB Ports 1 × USB Wireless Connectivity Wi-Fi 5, Bluetooth 5.2 Ethernet Yes Wall Mount VESA 400 × 400 mm Dimensions (Without Stand) 66 × 37.9 × 2.4 in Dimensions (With Stand) 66 × 39.6 × 12.8 in Weight 57.3 lb (≈26 kg) with stand
















