How to repair TV screen projection fault [TV screen projection method]

Reasons for TV screen projection failure:

1, the reason why the screen can't be projected may be that some configurations in the mobile phone are wrong, so it can be reconfigured, or the mobile phone is not placed in the same LAN as the TV, which is very important.

2. If the TV is a non-intelligent ordinary TV, it cannot support wireless screen transmission;

3. If the TV is a smart TV, the wireless connection between the TV and the mobile phone can be realized by turning on the Wi-Fi display function of the TV and the mobile phone (that is, the wireless display function is supported by most smart TVs and smart phones on the market).

How to repair the TV screen projection fault;

There are two main ways of mobile phone screen TV: wireless and wired. Let's talk about the wireless way first:

First, wireless connection

To use a wireless connection, you must first ensure that the TV is a smart TV. In addition, mobile phones and TVs need to be in the same WiFi network state, and Apple and Android devices are slightly different.

1, Apple Device

Slide up from the bottom of the phone screen to open the "Control Interface" and click the "AirPlay Mirror" option to directly see the name of the TV. After clicking, the TV will display the mobile phone screen.

2. Android devices

Take Xiaomi mobile phone as an example. First, turn on "Wireless Projection Screen" or Miracast-like application on TV, and then turn on "Wireless Display" in the wireless connection mode of mobile phone. At this time, the name of the TV will appear on the phone. After the connection is successful, the mobile phone can be displayed on the same screen as the TV.

Second, wired connection.

Wired connection needs to use the HDMI or VGA interface of the TV, in which the HDMI interface needs to have MHL function, which refers to the mobile HD link of the mobile terminal. There will be this logo on the general interface. In addition, mobile phones also need to support MHL function, but it seems that there are fewer and fewer mobile phones supporting MHL recently.

1, Apple Device

Apple devices need to use Lightning digital audio-visual converter or Lightning to VGA converter, and then connect to the TV with an HDMI/VGA cable.

2. Android devices

Android phones need a dedicated MHL cable, which is cheaper than the lightning converter above, and the connection method is similar.

Other screen projection methods:

1, wired connection

If you need a more stable screen projection method, you can try wired screen projection. However, the cost of wired screen projection may be higher than that of wireless screen projection, and a patch cord needs to be purchased separately. For example, this Lightning digital audio-visual converter can be used for screen projection through an HDMI interface externally connected to a TV/monitor.

2.MHL wired connection

There are also Android phones that support wired connections. MHL wired connection is actually the name of the HDMI mobile phone version. However, since Android 4.4, there are fewer and fewer mobile phones that support this function, and it is even difficult to find a mobile phone that supports MHL screen projection.

3. Software projection

In addition to the screen projection and wired screen projection of mobile phone system, we can also choose to use some software to realize the screen projection function. If you have a Xiaomi TV at home, the screen projection artifact is a good choice. Besides, there are many softwares to choose from, such as music broadcasting and screen projection. Moreover, many video software itself also supports the screen projection function, which can be realized by clicking the screen projection button on the playing page.

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