Each time I want to connect a laptop to my TV, I have to go to the settings, enable input signal plus or otherwice it will limit refresh rate to 30Hz at 4k resolution. Then I can connect HDMI cable to my laptop, go to the settings again to enable gaming mode or otherwice, because of useless preprocessing, picture on the screen will lag. All settings that I change will be resetted as soon as I disconnect HDMI cable. Why? This is so annoying! I wonder did the team who designed this tried to use their own product at all?
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