The computer screen is extended to the LED display

How to connect the notebook with the LED display:

Right-click "Properties" on the system desktop

Go to "Display Properties".

Then select the "Settings" tab.

Select the model of your LCD TV in the "Display device", and select the corresponding resolution for the LCD TV, such as 1280 720 or 1920 1080, etc., and check the option on "Extend the Windows desktop to this monitor", so that the LCD TV will not distort the picture when displaying the content in the laptop.

In addition, if you want to transfer the audio from your laptop to the LCD TV at the same time, you also need to activate the "HDMIaudio" device in the "Device Manager", so that you can use HDMI transmission for both audio and video.

If the laptop does not have an HDMI port, then you have to use the traditional CRT** cable and AUX audio cable to connect the laptop to the LCD TV. These interfaces are also easy to find,There is a blue 15 pinholes on the notebookD-type interface is the output interface of CRT,There will be the same interface on the LCD TV,Connect the two with special cables; For audio, you can use an audio transmission cable with millimeter specifications at both ends. The specific ** settings are the same as the HDMI settings, and the audio aspect is the ordinary sound card in the "Device Manager", and there is no need to activate the HDMI sound card specifically.

The method is simple.

1. Connect the laptop and TV with a VGA cable.

2. Tune the TV signal to the computer.

3. Open your laptop.

4. Adjust the resolution of the notebook to 1024*768

5 Press the function key.

In the notebook ribbon.

There is one. Two screen-style keys.

Press it. <>

Televisions are starting to be used as monitors.

Have fun.

Take Lenovo yoga14s, win10 system as an example, the specific operation steps are as follows:

1. First of all, find a VGA external monitor and connect it with the laptop as an extended second screen.

2. Then, right-click on the main interface of your computer and select the "Display Settings" option.

3. Then in the interface that displays the settings, you can see the display of the relevant set of the feast. Pull the dialog box on the right, make the Orientation to Landscape, and select Expand These Displays under Multiple Displays.

4. After the selection is completed, the configuration will take effect, move the mouse to the far right of the first screen, and you will find that the mouse has entered the second screen. Similarly, on the second screen, move the mouse to the left and the mouse arrow will return to the first screen.

When the VGA interface display is connected, press the key combination "Win+P" on the keyboard to quickly adjust the interface, and switch between different effects according to your needs in the pop-up menu bar. Among them, "disconnect the projector" means that the laptop is displayed, and the external display is not displayed; "Extended" means that the laptop displays all of them, and the external display shows the system interface; "Copy" means that both the external monitor and the laptop monitor are displayed; "Computer Only" means that external monitors are absolutely displayed, and laptops are not.

This answer applies to most models of Lenovo computers.