win10 under Miracast wireless screen cast tutorials and abnormal solutions (ultra-detailed)

Bo Lord for the problems we encountered, from time to time to update the original exception Solution:
1. Check the phone and the computer is connected to the same WiFi, pay attention to the frequency of WiFi to be consistent.
2. Check whether a computer power available and found this computer projection.
3. Check whether Microsoft Wi-Fi Direct Virtual Adapter is disabled.
4. Check whether SSDP service and WMPNetworkSvc service is enabled.
5. Check the graphics / network card driver supports Miracast.
6. The projection problem, turn off the computer if the firewall can display.
7. If you can not view the protected content on this device, turn off the computer's firewall to display.
8. How to solve the problem no longer pop up the next screen prompts to vote after the vote because the first time refused to screen the wrong point.
9. If the cast-screen application is not working, try resetting the application.

First, what is Miracast?

Miracast is in the year of 2012 developed by the Wi-Fi Alliance to Wi-Fi Direct (Wi-Fi Direct) based wireless display standard. Support for this standard of 3C devices (such as smart phones, TVs, projectors, computers, etc.) can be shared wirelessly via video screen, which means that this technology, the phone can be achieved without the aid of any case of cable television, screen computers and other large screen devices cast screen.

Second, the mainstream wireless voted screen technology which features?

Three popular wireless technology are cast-screen AirPlay, DLNA, Miracast.

Cast screen technology	main feature
DLNA	Sony, Intel, Microsoft, launched a PC, mobile device interoperability between protocols, almost the most common wireless voted screen technology, general vote only screen images and videos.
Miracast	Wi-Fi Alliance standard display with Wi-Fi Direct (Wi-Fi Direct) based wireless, the same with similar AirPlay mirroring function, the phone screen can be wireless transmission device to the big screen.
AirPlay	Apple developed wireless voted screen technology, through AirPlay mirroring function Phone, iPad real-time images to a large screen above the screen to vote, not just limited to multi-screen interactive images and video.

Third, how to view your win10 computer supports Miracast wireless screen functionality to vote?

     method one:

        ① through window + R shortcut operation dxdiag.exe in .

        ② wait for Direct X Diagnostic Tool testing is completed, click Save All Information .

         ③ to open just saved by Notepad DxDiag.txt , find information about Miracast information.

[NotAvailable] said they did not support [Available, withHDCP] support.

        ④ continue to view the NIC driver and graphics driver support.

[Supported] support;
[Not Supported by WiFi driver] indicates that the wireless network card driver is not supported at this time to upgrade the wireless network card driver.
[Not Supported by Graphics driver] represents the graphics card driver is not supported at this time to upgrade the video driver.
 If the discrete graphics and integrated graphics do not have a supported video card that supports selection screen to vote.

PS: About upgrading drive method, either by the driver wizard to upgrade software, also available through the Device Manager to update the driver corresponding click the right mouse button.

     Method Two:

① through window + R operating shortcut cmd command line window.
② enter the command " netsh wlan Show the Drivers ."
③ check whether wireless display support.

     Method three:
via Settings -> System -> Projection to this computer to see if voted to support Miracast wireless screen. (Not supported at this time, there are two reasons, first, the device does not support, the second is not supported by the driver. If you want to view can be further tested by the above method, two.)

Four, win10 computer how to use Miracast wireless screen functionality to vote? (Attached to the window of the cast-screen program)

Prerequisite: you want to achieve two vote-screen interactive devices need to be connected in the same WiFi.
     1. Go Settings -> System -> Projection this computer for configuration.
(You can also search directly projected to this computer, or click on the lower left corner of the desktop lower task bar connection -> computer into this projection.)

• All positions are available
• Each time a request for connection (recommended)
• Also connected to the power supply may also be provided / administered before connecting the input PIN pairing screen according to individual needs

     2. Click on the link below the bottom left corner of the desktop task bar search equipment. (To use a smartphone cast screen computer, you open the phone side cast wireless computer equipment to connect to the search screen functionality. Huawei / glory called wireless voted screen, millet called Wireless Display, other mobile devices to search for "wireless" locate and open the corresponding function.)

     3. select the device you want to cast the screen to connect, this time pitched screen device receives a request for a connection request "allow XXX projection here?", click [Yes] to start building cast-screen connection. (If they are cast screen device is set up requires a PIN for connection, is required to enter a PIN.)
     4. Wait a few moments to successfully establish a connection open cast screen trip.

The effect of the above methods voted screen to full screen, if you want to implement a windowed screen to vote may take the following scenario.

Specific steps are as follows:
     ① lower left corner of the search box directly on the desktop, search for "connection."
     ② Open the "Connect" application.
     ③ use of mobile phones or other devices to the computer screen to vote.

Investing screen window results as shown below,

Fifth, the phone screen cast win10 computer failure abnormal solutions

1. Check the phone and the computer is connected to the same WiFi, pay attention to the frequency of WiFi to be consistent , both 2.4GHz or 5GHz. If inconsistencies are found, try to connect to the same WiFi voted screen again.
     End mobile phones ① Click Settings -> WiFi -> to view the connected WiFi WiFi frequency.

     ② Click the lower right corner of the computer end of the WiFi icon in the taskbar -> Properties to view it.

2. Check whether a computer power available and found this computer projection.

• Settings -> System -> this computer projection
• Direct Search "projection to this computer"
• Click below the lower left corner of the taskbar connection -> Projection to this computer

Computer is powered on or turn off the option to vote again search device screen can be.

3. Check whether Microsoft Wi-Fi Direct Virtual Adapter is disabled.

• Right-click on the taskbar window button -> Device Manager
• Right-click My Computer -> Properties -> Device Manager
• Direct Search "Device Manager"

Found "in the network adapter in the Microsoft Virtual Adapter the Wi-Fi Direct ", right-click and click on Enable device search screen to vote again device.

4. Check whether the SSDP service and WMPNetworkSvc service is enabled.


Direct search service , click to find the corresponding service, right-click to start the search again cast device screen can be.

5. Check the graphics / network card driver supports Miracast.
Specific view method, see the above "How to see your win10 computer supports Miracast wireless screen function to vote?", If the driver does not support upgrading to drive. If your computer is equipped with integrated graphics and discrete graphics, both of which have an unsupported, enable support graphics screen can be cast.

6. The projection problem, turn off the computer if the firewall can display.

• Direct Search "firewall"
• Right-click on the taskbar window button -> Settings -> Network and Internet-> window firewall
• Click on the taskbar or WiFi network button -> Network and Internet Settings -> window Firewall

Click the private network / public network, turn off the firewall, again voted screen to search for devices.

win10 how to implement wireless voted screen without turning off the firewall of the application screen wireless voted to join the firewall allows the application to the list.
Specific operations can refer to my other blog post: win10 wireless investment in screen without shutting down the firewall

7. depending win10 version, "can not be viewed on this device protected content" error messages may appear.

Tested possible causes and corresponding solutions are as follows:
     ① voted screen lock screen or the device is turned off. [Re-open device]
     ② firewall to limit the vote screen. [Turn off the firewall, try to re-cast screen]

8. How to solve the problem no longer pop up the next screen prompts to vote after the vote because the first time refused to screen the wrong point.

Specific steps are as follows:
     ① lower left corner of the search box directly on the desktop, search for "connection."
     ② Open the "Connect" application.
     ③ Press Ctrl + S open settings.
     Try to re-vote screen after ④ remove the access list of device settings.

9. If the cast-screen application is not working, try resetting the application.

Specific steps are as follows:
     ① lower left corner of the search box directly on the desktop, search for "connection."
     ② Click Apply Settings.
     ③ reset the application.

Sixth, the computer does not support Miracast how to implement multi-screen interaction?

Through the computer screen device and download vote cast screen cast screen software, generally equipped with Tencent video, Youku video, love the Fantastic Art, etc. can also be multi-screen interaction.
Also attached screen cast several common PC software: music broadcast voted screen PC version, proud soft cast screen cast screen blueberries, dolphins Star cast screen sender.

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