It is not always convenient to play games and watch movies on small monitors of phones and laptops, it takes a long time to transfer video on a flash drive to the TV, and it is impossible to run games on it. But there is a technology that allows you to get rid of these restrictions.
What is Miracast
Miracast (MiraScreen) is a technology with which you can easily display the actions taking place on one device on a third-party monitor. For example, display a picture from a phone to a computer or from a computer to a TV. These are not the only combinations, cross-projection is possible between all devices that support Miracast.
Miracast lets you see what's happening on your phone on your laptop screen
The technology was patented in 2012, its predecessor was the technology WiFi Direct. Since then, it has been actively introduced into laptops, TVs, mobile android and iOS devices.
Advantages of Miracast
The main advantage is the possibility of wireless synchronization: you do not need to forward an HDMI cable, look for adapters for it and fiddle with the settings, it will be enough to allow pairing between devices and start enjoying the process.
Moreover, a Wi-Fi network is not required to establish a connection, the paired devices are combined and exchange data in a different way, creating a personal network channel. This fixes an issue that would have been a problem with DLNA, which performs the same functionality but uses home network for synchronization. With this method, any load on the router caused by the connection of another user could interrupt or weaken your signal. When sending video via Miracast, you will not encounter such a problem, because an extra third person will not be able to interfere with your session.
Through Miracast, you can copy what is happening on the tablet to the TV
No less important merits of Miracast:
- high speed picture transmission, support for IEEE 802.11n standard. When playing games, you will not experience lag or FPS drops;
- powerful compression that allows you to share a large amount of data in the shortest possible time. For example, streaming FullHD video will not cause a crash or resync;
- support for broadcasting 3D video;
- the most simple and understandable control design, the use of technology is within the power of any user;
- a large number of devices that support Miracast.
Flaws
The disadvantages include only one minus - the maximum transmission quality is 1920 × 1200, that is, you cannot transfer video in UltraHD. But it should be borne in mind that almost no one has devices that support a higher resolution, and they are very expensive. So you will most likely never encounter this limitation.
How to know if a device supports Miracast
There are four types of devices that often have Miracast support built in: laptops Windows control, modern LCD TVs, phones and tablets under Android control and iOS. Technology support depends on the company and device model, with this information you can find on the Internet detailed description your device with a list of supported technologies. The second way is to learn abilities manually using the instructions below.
Android
Most devices with standard firmware versions 4.2 of Jelly Bean and above support this technology. To verify this, open the device settings and look for the "Wireless Monitor" or Wireless Display item. Sometimes this feature is located in the "Screen" section.
Find the "Wireless Screen" section
iOS
On IOS, the feature that allows you to connect via Miracast is called AirPlay. It is supported by all Apple devices.
AirPlay is present on all iOS devices
TV
Open your TV settings and look for Miracast. It can be in the section related to the Internet or Wi-Fi network.
There must be a Miracast section in the TV settings
If it is not available anywhere, then the TV does not support the technology, but its capabilities can be expanded if you purchase a special small device- Miracast receiver. When you have it, it will be enough to connect it to your TV via HDMI or USB, after which Miracast support will appear on your TV.
If Miracast is not available, you can install a Miracast receiver
Windows 10
If the technology is not supported, but is very necessary, you can purchase a Miracast receiver that connects to a computer via a USB adapter.
Windows 7
This technology is not supported on Windows 7. Please upgrade to Windows 8 or 10 to be able to use it.
Setting up Miracast on various devices
So, if you are convinced that your devices support the technology, start synchronizing. You will need only two devices - the sender (phone, tablet, computer) and the receiver (TV, computer) of the video signal.
TV
Activate the feature. The way to turn it on different models may differ, but you must find the button that turns on Miracast and wait for the TV to notify you that it is visible to other devices.
Turn on Miracast on the TV and find out the name
Windows 10
- First you need to connect to the network distributed by the TV.
Connecting to the network distributed by Miracast
- Open system settings.
Open system settings
- Select the "Devices" block. In the "Connected devices" subsection, click on the "Add device" button.
Click the "Add device" button
- Select a monitor or Miracast receiver from the list. A short synchronization process will begin, after which the picture will be displayed on the TV.
Select a TV and wait for synchronization
- If the synchronization was successful, but the image did not appear, you need to adjust the output manually. Press the Win + P combination on the keyboard, in the expanded screen, click on the "Connect to a wireless display" button.
Click on the button "Connect to a wireless screen"
- Specify the name of the TV.
Choosing a projection screen
Android
- First you need to connect to WiFi networks distributed by the TV or computer you want to connect to.
Connecting to a Wi-Fi network distributed by Miracast from another device
- After finding the "Wireless Screen" section, open the menu and check the box next to "Enable feature".
Check the box next to "Enable"
- A list of available devices will be displayed, select the one you need.
Click on the device to sync
- Wait for the end of a short synchronization, after which the picture from the device will appear on the TV.
The term Wi-Fi entered our lives not so long ago, but it has already firmly become commonplace, without which it is difficult to imagine this life. To date, technology using Wi - Fi, released more than people living on Earth. Works on the creation and continuous improvement of this standard worldwide network Wi-Fi Alliance companies.
It was she who at the end of 2012 introduced an open standard wireless transmission multimedia signal, called Miracast. This standard based on Wi-Fi Direct technology, does not require the presence of a router. TV creates itself local network, to which it remains only to connect by performing simple operations. To exchange multimedia signals, only a transmitter and a receiver are needed. In the process of information exchange, not files are transferred, but video signal packets (ITU format - TH .264). It is also possible to transmit a signal from the TV to the screen of a laptop, tablet, etc.
Standard Features
Advantages:
- The lack of binding the device to a specific display, both via cable and programmatically, by installing a special driver.
- Possibility of connection of the devices working with different operating systems.
- Maintaining the quality of the transmitted image at the level of the HDMI cable. Support for resolutions up to 1920x1080 (FullHD), 5.1 sound.
- Interest in its development of giant companies Intel, AMD, MediaTek, Qualcomm, NVIDIA.
- No need to download additional software.
Flaws:
- Instability of connections, depending mainly on the quality of the devices.
- Unnormalized connection delay.
Miracast standard is supported by operating systems:
- Windows 8.1, 10, Phone 8.1, Windows 10 Mobile;
- Android Jelly Bean 4.2 and above.
Miracast Windows 10. How to enable
Windows 10 is capable of connecting devices to each other in two ways.
Path 1
1. Click the required items in succession in the following windows (see pictures).
Figure 2
Figure 3
Figure 4
Figure 5
2. Select your TV.
3. On the TV, approve the connection request.
4. If necessary, enter the suggested PIN.
5. If the receiver and transmitter are compatible (see below), then a picture similar to the picture on the transmitting device will appear on the TV screen.
How to turn off the TV is shown below.
Figure 6
Path 2
1. Press the key combination "WIN + P". Here WIN is a key with the WINDOWS logo, P is a key with a Latin letter (Fig. 7) and connect to the display.
Figure 7
2. Select desired device from the proposed list. Before starting the search, do not forget to turn on the TV (Fig. 8).
Figure 8
After a successful connection on both devices, you can see the same pictures.
Important Notes
- The TV must support the Miracast standard. If this is not provided for in it, then you will have to use an HDMI adapter and download additional software.
- On TV, this technology may have a different name. For example, Samsung called this feature Screen Mirroring.
On this, this article could be completed, if not one “but”. As noted above, the transmitter and receiver must be matched. TVs of well-known brands that support Smart TV since 2013 are produced with built-in Miracast receivers ( Intel technology WiDi is compatible with Miracast technology).
Possible problems
- The device does not support the Miracast standard. This can happen both because of an old Wi-Fi adapter (released before 2013), or because of a problematic driver. In the first case, it is better to use an external adapter. In the second case, the problem can be solved by installing latest driver, which can be downloaded from the transmitter manufacturer's website. This must be done even if Windows 10 itself downloaded and installed the chipset driver. If the manufacturer cannot offer correct driver for Windows 10, use the driver for the "eight". Very often this helps.
- The device does not connect to the TV. After trying to connect to the TV for a long time, the message shown in Figure 9 appears on the screen of the Windows 10 device.
Figure 9
As in the first case, the problem can be solved by installing the latest driver obtained from the manufacturer of the transmitting device. It can be downloaded for free from the respective website. If the Wi - Fi adapter is not the "freshest", then due to the incomplete compatibility of technologies, reinstalling the driver may not solve the problem. In this case, to watch movies, it is better to set up DLNA (a technology for connecting various devices to a digital network) in Windows 10.
Additional Notes
- The Miracast standard is not so perfect as to definitively not connect devices using an HDMI cable. Now any computer or laptop has such a connector. In extreme cases, an inexpensive adapter will do. In this case, the process of playing or watching a movie is guaranteed not to be spoiled by interruptions in the transmission of a guaranteed quality video signal.
- The Miracast adapter can be used when traveling, when visiting friends, for small presentations. With it, video from any mobile device can be streamed to any TV that has HDMI and USB ports (USB port used to power the device).
- In general, the Miracast standard, being extremely useful, has not yet been fully polished, and has not yet been able to find a worthy place for itself. He has everything ahead of him.
Hello! We continue to dismantle the operating room Windows system 10! Today you will learn how to set up projection and connect second screen on Windows 10. For example, you want to connect a TV or a second computer to your computer, or just an additional screen. You can not only connect an additional screen, but you can also set up projection.
Windows 10 projection how to connect a second screen
To connect a second screen, in the lower right corner of the screen, open "Notification Center" by clicking on the corresponding writing sheet icon. In the window that opens, click on the tab - Project. Projection needs to be adjusted only after the second screen is connected.
– Only computer screen, the default type when only this computer's screen is connected.
– Repeatable, you can connect a second screen and it will display the same as on your computer.
– Expand, with this projection, you can combine one picture from several screens.
– Only the second screen at this type will only show the second screen you connect to your computer. The computer screen will be turned off.
How to connect a second screen
To connect a second screen, at the bottom of the window “Projection” click tab - Connection to wireless device . Make sure the second device you want to connect is turned on. Will begin automatic search devices. The window should display its name.
How to connect devices:
– TV, a modern TV can be connected via HDMI cable. Make sure your TV has an appropriate output. Modern TVs can also be connected via Bluetooth if they have this option.
– Projector connected via VGA or HDMI cable.
– Computer, laptop, connect via Bluetooth.
How to connect Bluetooth:
Open the window in the lower right corner again "Notification Center". In the window that opens, click on the tab - Bluetooth. After that, the corresponding icon will appear in the taskbar.
Miracast technology allows you to transfer data from a smartphone, tablet, laptop to a TV screen using wireless network. The feature became especially popular with the release of Windows 8.1 and Windows 10, because in these versions of the system it is supported by default.
Enable on Windows 10
To enable Miracast on Windows 10, you need to press the Win + P key combination on your keyboard and select the “Connect to a wireless display” option from the menu.
By doing this, you will start searching for wireless displays. In order for the monitor or TV to be determined, it must also first enable the Miracast function on it. If there is no such option in the TV settings, just turn on the Wi-Fi adapter.
You can also add a device through the "Settings" of Windows 10:
If the connection is established, then you will see the same picture on the TV screen as on the laptop display. To end the connection, turn off Miracast or Wi-Fi on the TV, or remove the device from Windows settings 10.
Troubleshooting
Miracast technology has become mass-produced not so long ago, so its work is not fully debugged. As a result, despite the ease of establishing a connection, many users are faced with the fact that the connection constantly breaks or does not appear at all. The problem may arise already at the stage of choosing a connection to a wireless display - such an item simply will not be in the menu called by the Win + P combination. Possible reasons malfunctions:
- The Wi-Fi adapter on your laptop or PC does not support Miracast.
- There are no required drivers for the wireless module.
If the laptop was released before 2012, then most likely its Wi-Fi module simply does not support Miracast. If the laptop (or wifi adapter separately) is new, then try downloading from the official website and installing the WLAN (Wi-Fi) drivers.
If you cannot find drivers for your model on Windows 10, install software for earlier versions - Windows 8.1, Windows 8.
Another one possible problem– inability to connect to the TV. First of all, you need to make sure that the television equipment generally supports Miracast technology. The next step is to update the Wi-Fi adapter drivers. 
Unfortunately, sometimes these measures do not work. It is also difficult to offer a specific solution, because often we are talking about a banal conflict of devices due to the imperfection of the technology. But in extreme cases, TV and laptop can always be connected using an HDMI cable.
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Miracast is a wireless data transmission technology that is natively supported in recent Windows versions. Using it, you can broadcast the image from the PC screen to other devices that also work with the "world": SMART TVs, smartphones, tablets, external monitors, projectors, and so on. The beauty of using this technology is that it does not require any cables (HDMI, VGA or any other). Images are transmitted via Wi-Fi, and the only condition that the user must comply with is to connect both devices ("transmitter" and "receiver") to one access point.
Using Miracast on Windows 10
As we have already indicated above, the "world" is built into the "top ten" from the very beginning, so you are not required to download and install any additional programs. Simply open the "Start" menu, click on the "Settings" icon (the image in the form of a gear in the lower left corner) and go to the "Devices" section. In this section, you will see all the peripherals connected to the computer. We are also required to bind a new device to which the broadcast will be conducted. To do this, press the "+" key next to "Add Bluetooth or other device" and select "Wireless display or docking stations". After selecting the last item, Windows will automatically search for available devices connected to the same router as the computer. If there are any, the system will prompt you to start "broadcasting" by pressing the appropriate key.
Flaws
As you can see, starting a data transfer using Miracast is quite simple. But the technology also has several disadvantages. For example, many users note a noticeable delay when broadcasting an image, due to which you are unlikely to be able to play games. But to watch movies or photos is quite.
Key Features
- supported in new versions of Windows by default;
- allows you to broadcast the image to any compatible devices;
- establishes wireless connection via Wi-Fi;
- does not require installation additional programs;
- may exhibit quite high "picture" latency.
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