Huawei P40 mobile phone how to cast the screen to the TV

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Huawei mobile phone screen projection to TV is actually very simple,There are many ways,Here are four ways to project Huawei mobile phone screen to TV,You can choose the right one according to your needs。

Method 1: Huawei phones come with a built-in function to cast the screen.

1. The premise is that the mobile phone and TV need to be under the same LAN network. That is, they are all connected to the same wifi.

2. Take Huawei phones as an example, open [Settings] - [Advanced Settings] - [Multi-screen Interaction] of Huawei phones

3. At this time, according to your needs, click on the way you need to cast the screen.

Method 2: Through third-party software.

2. After the installation is completed, open the Lebo projection, and then follow the prompts to complete. This method is relatively simple and convenient.

3. Installation of various brands of TVs.

Method 3: Wired connection for screen casting.

This projection method has stable transmission and will not be affected by network marketing. The downside is that it's a little cumbersome. Prerequisite: Huawei phones need to be Android or above.

1. Huawei mobile phones need a conversion cable, and the simplest can ask the seller directly when buying.

2. An adapter is required.

1. At present, most mobile phone software, such as Bilibili, Tencent**, Youku, iQiyi, etc., will have a "TV" icon button on the page when you are on the mobile phone**, 2. Click to cast the screen. Prerequisite: Huawei mobile phone and TV need to be on the same WiFi network.

HUAWEI P40 supports wireless screen mirroring, and the operation method is as follows:

Connect your mobile phone to a large-screen display (such as a TV) through wireless screen projection, and when using the large-screen for office and entertainment, notifications such as call reminders, messages, and alarms will only be displayed on your mobile phone by default to protect privacy.

1.Depending on the model and function of the large-screen device, the options are as follows:

The large screen supports the Miracast protocol: turn on the settings switch for wireless screen projection on the large screen.

The large screen does not support the Miracast protocol: Insert the wireless screen projector into the HDMI port of the large screen and connect the power cable of the wireless screen projector.

2.Swipe down from the status bar of your phone to get out of the notification panel and light up the wifi.

4.Click the corresponding large-screen device name or wireless screen projector name in the device list to complete the screen projection.

After the connection is successful, the mobile phone will display horizontally and the large screen will be better. By default, notifications such as call reminders, messages, and alarms are only displayed on the mobile phone, not on the large screen. If you need to modify it, click Connect to turn off the Do Not Disturb Message switch.

After completing the projection, click Connect to disconnect to exit the wireless projection.

This is a Huawei P40 mobile phone with a story, and it is also Huawei's most ** 5G mobile phone, which was "broken bones" after just a few months.

Customer description This machine is "cabbage price" to buy, I don't know what kind of experience I had before, the whole was broken, in the after-sales replaced the original Huawei P40 assembly, but the wireless wifi can not be used, prompting "network refusal to access", after-sales repair can not be wireless, ask to replace the whole motherboard, so take it to the store to find me to repair the motherboard, you can also save some money.

Fault phenomenon. According to the previous maintenance experience, this fault may be caused by a problem with the wireless module, especially the machine that has been fallen, and it is easier to solder off the point. This model is currently Huawei's most **, to repair the motherboard is very few.

Xin Zhizao found the Huawei P40 motherboard diagram, there are drawings to repair much better, and then start repairing.

Huawei P40 motherboard diagram.

Disassemble the machine, take out the motherboard, and visually inspect the motherboard as a whole, but the shield on the CPU is a little dented.

Close-up of the front of the motherboard.

Close-up of the back of the motherboard.

First of all, remove the shield on the CPU, and find that next to the font library and the CPU is the wireless IC, and this wireless IC is particularly large, the specific model is Hi6405 . Such an arrangement is rarely seen, wireless IC and CPU, font libraries are too close . It is risky to repair this kind of heavy machine, especially the wireless IC and font library, the CPU is still so close, it is likely to lead to scrapping without booting.

In order to be on the safe side, first solder, the air gun preheats the entire motherboard at 250 degrees, and then solders the wireless IC (Hi5405) at a high temperature of 350 degrees. Decisively removed the wireless IC, and found that there may be a virtual soldering at the bottom, and it is still not possible to redo it.

Jiwei network news on October 19th, wireless projection can easily project the content in the mobile phone to the large screen, allowing people to instantly get rid of the shackles of the small screen and magnify the wonderful, but if you encounter a failure to project the screen, the projection delay or the projection stuck, how to deal with it? For this reason, the official WeChat of Huawei Pollen Club (hereinafter referred to as Huawei) specially issued a document to teach users how to solve it.

Huawei issued a document to teach users to solve the problem of wireless screen projection failure and lag on mobile phones.

Huawei said that the following conditions must be met for wireless screen mirroring:

The screen mirroring device supports DLNA or Miracast (wireless display) function.

The phone has Wi-Fi enabled and is connected to the same Wi-Fi network as the projection device, or connected to the device through Wi-Fi direct.

The failure of wireless screen projection on mobile phones, delays or freezes is most likely due to unstable network or too much content pushed, so in the process of screen projection, users need to pay attention to the following points:

1. Shorten the distance between the phone and the device, and get closer to the router, preferably 1 3 meters.

2. Try not to use the multi-screen interaction or wireless screen projection function of multiple mobile phones at the same time to avoid interference.

3. It is recommended that users turn off or stay away from other WLAN networks that are not needed in the environment to reduce interference.

4. It is recommended that users stay away from co-channel interference sources, such as cordless**, microwave ovens, etc.

Proofreading ll).

You can cast the screen, and you have a problem with the settings.

Summary. 1. Open the desktop of your phone and click on the settings page.

2. Then after entering, click on the option of device connection.

3. Then go to the page and click on the option of multi-screen interaction.

5. Then after a while, you can see that the connection is successful.

6、Finally, you can see that the TV has been successfully connected,This is okay。

Huawei P40 projection screen can't find TV。

1. Open the desktop of your phone and click on the settings page. 2. After entering Lingjidou, click on the option of connecting the device. 3. Then enter the page and click on the multi-screen interactive shirt option.

4. Then click out, you can see the device searched by the ruler, click connect. 5. Then after a while, you can see that the connection is successful. 6、Finally, you can see that the TV has been successfully connected,This is okay。

Check whether the network connected to your Huawei phone is the same as your TV.

If not, you won't be able to cast the screen.

Yes, one network, the mobile phone has also been restarted, and other mobile phones are connected at once, but this one will not work.

LETV TV screen projection can be realized through wifi and mobile phone connection,The specific steps are as follows:

Tools Raw Materials:

Huawei wireless screen mirroring.

1、Enter the network settings of LETV TV,Connect to WiFi。

2、In the application installed on LETV TV,Find the wireless projection option,andclick【Wireless projection】。

3. Next, set up the relevant settings of the mobile phone, and click "Settings" on the page of the mobile phone.

4. After entering the settings page, click [Other Connection Methods] in "Wireless & Network".

5. After entering the page of other connection methods, click [Wireless Display] on the page that pops up.

6、Finally, use a smartphone to search for LETV TV equipment,Then click to connect,After the connection is successful,You can use the mobile phone**Pachaqiao**,LETV TV can directly display the screen on the mobile phone**。

Huaxiao Que Wei Mate40Pro supports the wireless screen projection function of mobile phones, connect the mobile phone to the large screen display through wireless projection, and use the large screen for office and entertainment, which will look better than the small screen of the mobile phone. So how does Huawei Mate40Pro cast the screen? Let's take a look

2. Click Qiaoxing to open the [Mobile Screen Projection] option.

3. Turn on the switch button behind [Wireless Screen Projection].

This article takes Huawei Mate40Pro as an example for EMUI11 system.