|What if the 4K 120Hz TV does not support 4K 120hz?
||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.
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.
|Why my hdmi cable can't work with HDMI splitter/switch?
||The audio and video system contains an HDMI splitter, HDMI switch, HDMI plate, or HDMI extension cable, which will weaken the HDMI signal and may cause issues such as no signal or flashing screen. It is recommended to use an HDMI cable for end-to-end audio and video connection. If it is necessary to use an HDMI splitter, HDMI switch, HDMI plate, or HDMI extension cable, it is recommended to use fiber optic HDMI cables. Fiber optic HDMI cables are active HDMI cables with signal amplifiers at both ends, which can amplify weak HDMI signals to normal levels and effectively solve the problem of HDMI signal attenuation.
|Why my fiber optic hdmi cable no signal in my system?
||iBirdie fiber optic HDMI cables (32ft - 328ft) are active HDMI cables, embedded booster at both HDMI heads. You need to use the HDMI USB cable that comes with in the HDMI box to connect any USB port or any USB adapter (Does not include USB adapter in box). The HDMI USB cable is 1.5 feet. Why we need use this HDMI USB cable? It is necessary to connect the HDMI USB cable since some HDMI slots, such as on USB HUB or on HDMI SWITCH, cannot provide enough power for the fiber optic HDMI cable. The HDMI fiber optic cable is an active cable, it needs enough power to work properly. If the power is insufficient, there will be a black screen, screen flicker, no signal and other problems. Please connect the fiber optic HDMI cable to the HDMI USB cable and then to the HUB or the SWITCH. And fiber optic HDMI cable is directional. The directional HDMI meaning that the source end of HDMI is required to connect to sources, must plug this end to HDMI output from source like DVD/computer/PS5/Xbox, and another end is display to your monitor/TV/projector. Please kindly make sure to understand these instructions before you choose our fiber optic HDMI cable to avoid the returned purchase because of improper use.
|why my apple tv can't send signal to my samsung smart TV?
||Samsung Smart TV Q70T Q80T has a BUG and cannot recognize Apple TV. After Q80T selects the input source, it stays at "Scanning for devices" for a long time, and then the Unknown window appears. "You can set up this device manually to control it with your Smart Remote. Do you want to set it up now?" Select the "Setup" button to enter the manual setup, but you can't find apple tv. You can only exit the manual setting and select the "Later" button. After the screen flickered several times, the apple tv 4K window was displayed. Do other Smart TVs have a similar Bug.4K resolution requires a 4K TV, 4K player, and 4K HDMI cable.