What if the 4K 120Hz TV does not support 4K 120hz? Part 1
For Samsung 4K 120Hz TVs, turn on game mode in the TV settings.For LG 4K 120Hz TVs, enter TV settings, HDMI settings, HDMI DEEP COLOR then select 4K.For sony 4K 120Hz TVs, please turn on HDMI enhancement and turn off Dolby Vision in the TV settings.
What if the 4K 120Hz TV does not support 4K 120hz? Part 2
Hisense 4K120Hz TVs, enter TV Settings->HDMI select HDMI Enhancement. TCL 4K120Hz TVs, enter TV settings->General, turn on HDMI advanced standard, change Graphic setting toVariable refresh rate. Update RTX 3070-3090 driver on the NVIDIA website.
What if the monitor shows no input source?
You need to modify the input source of the monitor, enter the monitor settings and find the input source SOURCE, and modify it to the port you plug in HDMI cable.
What should I do when the TV may show no input source when the MAC/Laptop/PC/Xbox/PS5 is connected to the Smart TV?
Turn on the TV first, wait for the TV to display the main interface, and then turn on the MAC/laptop/PC/Xbox/PS5. Or Manually switch the input source to HDMI in the TV settings.You also can re-plug the HDMI cable on the MAC/laptop/PC/Xbox/PS5 end
What should I do when the TV is connected to the AVR Receiver and cannot work?
First, check if the HDMI cable is connected to the HDMI ARC/eARC port of the receiver. Second, enable the ARC (eARC) function in TV settings. Finally, select the input source for the HDMI port where the HDMI cable is plugged into for the receiver.