Quick look! HDMI cable connection common problems and solutions!

No response after connection?
❶ Please check whether the TV signal input channel is adjusted to "HDMI input", and switch the input setting of the TV first. Path: Menu - Input - Signal source - Interface, select according to the HDMI cable and the TV socket (there may be 1-5 of them depending on the brand).
❷ Generally, the default computer monitor output alone, switch the video to adjust the computer resolution to the TV's initial required resolution and refresh rate, path: desktop right-click the mouse - Properties - Settings - Extended mode. Generally set the computer's resolution to 1024*768, refresh rate of 60HZ, and then adjust the TV resolution after connecting.
❸ If it is a laptop computer, you need to switch the output screen, the shortcut keys are different for different models, and the keyboard combination is used to open and switch the second monitor output before the second monitor signal is output to the TV. Some computers need to be shut down and connected or restarted after being connected.
TV color bias or snowflakes?
This situation may be caused by poor contact between the TV and the computer's HDMI connector, or the interface may be exposed to moisture for a long time, or the plug is frequently plugged in and out causing loose contact, it is recommended to change other interfaces for testing.
What are Copy Mode and Expansion Mode?
❶ The computer and TV display the same content in "Copy Mode".
❷ "Extended mode", the TV as an extended monitor will not display the status bar, shortcut buttons, only a desktop wallpaper, at this time, the computer can also carry out other operations, the screen on the TV and the monitor screen completely independent, do not interfere with each other.
Only image and no sound on TV?
❶ HDMI connection cable is capable of transmitting both video and audio. There is an audio signal converter in the HDMI transmission chip of the computer, and the driver of the device should be installed correctly to transmit audio signals normally through the HDMI interface and HDMI cable. So we first need to make sure that the driver is correct.
❷ Select HDMI graphics card built-in sound card as the default in the computer Control Panel - Sound and Audio Settings - Sound Playback. For example, the device that shows Realtek Digital Output is the audio output of HDMI, so right-click and select Set as default device.
Can't the TV display full screen with bezel?
If you need a full screen, you can first adjust the computer's display output resolution to match the TV's display resolution, then right-click on the computer desktop and select [Screen Resolution] - [Adjustable Resolution] - [Advanced] - [Monitor].
❷ Select the appropriate refresh rate in "Screen Refresh Frequency". Select the "image reset" function inside the TV's menu options, and if that doesn't work, adjust the graphics card's scaling function inside the control panel of the graphics card.
HDMI cable pre-buried direction is reversed?
Fiber optic HDMI cable is divided into directions. If it is not pre-buried, you can directly pull it out and adjust the direction. But if it is buried, the only way is to pull out and re-buried.

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Quick look! HDMI cable connection common problems and solutions!