Hi,
I recently got this TV and a 2.1 HDMI cable but am having trouble getting the TV to run at 4k 120Hz. It caps out at 60Hz unless I lower the resolution. Any idea on how to fix?
TV: TCL 55R646 GPU: Nvidia 2060 HDMI Cable: Zeski Maya 2.1 HDMI
Let me know if more info is needed, thank you!