HDMI is the input standard of TV signal source. It is a digital high-definition signal interface 100, which can support high-definition signals above 1080P. This interface allows simultaneous transmission of audio and video signals without data conversion. The HDMI interface is usually used to connect a high-definition set-top box, a computer with an HDMI interface or any device with an HDMI interface.
When using HD interface, you need to switch the signal source to HDMI. HDMI 1 and HDMI2 correspond to each HDMI port on the TV.
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An HDMI device needs to be connected with an HDMI data cable, and both ends of the data cable need to be firmly inserted into the corresponding socket of the device. After turning on the notebook computer, the connected device enters the desktop, and the TV automatically searches for the signal source number (that is, the port number of HDMI data transmission), and jumps to the successfully jumped device to display the same picture.
Secondly, the HDMI data interface limits the number of external monitors for notebook computers, which is very important for computer screen splitting. Users should be able to determine the maximum resolution of the laptop screen by looking at the laptop's HDMI cap.