Transferring images from your computer to a big-screen TV via Wi-Fi is a convenient way to share photos with friends, organize a slideshow at a family gathering, or simply evaluate the quality of your photos on a widescreen TV. However, many users encounter difficulties: the TV doesn't detect the PC, the connection constantly drops, and the picture lags. There can be many reasons for this, from incorrect router settings to protocol incompatibility.
In this article we will look at all current methods of wireless image transmission — from standard Windows functions to specialized applications. You will learn how to set up Miracast, DLNA, Google Cast and other technologies, and get practical tips for troubleshooting common issues. We'll pay special attention to network setup, as it accounts for 80% of connection stability.
1. Network Preparation: Why It's More Important Than You Think
Before connecting your TV to your computer, make sure your Wi-Fi network meets the minimum requirements for multimedia streaming. Most issues with image freezing or connection drops are caused by incorrect router settings.
First, check Wi-Fi standard: for transmitting high-resolution images (e.g. 4K) at least is required 802.11n (better 802.11ac or Wi-Fi 6). If your router is running in legacy mode 802.11g, the picture will slow down even during transmission Full HDYou can view the current standard in the router settings (section Wireless or Wireless network).
- 📶 Network frequency: use range
5 GHzfor minimal delays.2.4 GHzInterference from other devices is possible. - 🔒 Encryption type: install
WPA2-PSKorWPA3. OutdatedWEPnot only is it unsafe, but it also slows down data transfer. - 📡 Wi-Fi channel: manually select the least loaded channel (for example,
36,40,44or48For5 GHz). - 🔄 Bandwidth: For
5 GHzinstall80 MHz(if supported by the router and devices).
Also make sure that both your computer and TV are connected to the same networkIf you're using guest Wi-Fi or different VLANs, the connection may fail. You can check this using the Windows command line:
ipconfig /all
Look for the line Main gateway - its value must match on both devices.
⚠️ Attention: If your TV only supports2.4 GHz, and the router operates in mode5 GHz, try turning it on dual mode (simultaneous operation on both frequencies) in the router settings. The option name may vary:Dual Band,Simultaneous Dual Bandor2.4G/5G Fusion.
2. Method 1: Miracast - Direct Wireless Screen
Miracast — is a wireless image transmission standard built into most modern TVs and operating systems (Windows 8.1/10/11, Android 4.2+). It allows Duplicate or extend your computer screen on TV without intermediaries, which guarantees minimal delays.
To use Miracast, your TV must support it. You can find out:
- 📺 In the TV manual (look for references Miracast, Screen Mirroring or Wireless Display).
- 🔍 In the TV settings: the option is usually hidden in the menu
Network → Screen MirroringorConnections → Wireless Display. - 🌐 On the manufacturer's official website (in the model specifications).
If there is support, follow the instructions:
- On TV: turn on the mode
Screen Mirroring(the name may differ: Smart View, Wireless Display, Miracast). - On your computer (Windows 10/11):
- Click
Win + K(or openSettings → System → Display → Connect to a wireless display). - Select your TV from the list of available devices.
- Confirm the connection on both devices.
- Click
If Miracast is not working, check:
- 🔄 Update your graphics card drivers (especially if you have Intel HD Graphics or AMD Radeon).
- 🛠️ Enable the service
Wireless DisplayIn Windows: ClickWin + R, enterservices.msc, find the service and set the startup typeAutomatically. - 📡 Make sure your router doesn't block multicast traffic (look for options in the settings)
IGMP SnoopingorMulticast Forwarding).
Make sure your TV and PC are on the same network|Update your graphics card drivers|Enable Wireless Display service|Check for Miracast support on your TV|Disable VPN on your PC-->
⚠️ Attention: On some TVs Samsung And LG function Screen Mirroring may be blocked if the router is enabled client isolation (optionAP IsolationorClient Isolation). Disable it in your wireless network settings.
3. Method 2: DLNA - Media Streaming
DLNA (Digital Living Network Alliance) is a protocol for exchanging multimedia between devices on a local network. Unlike Miracast, it doesn't mirror the screen, but allows transfer individual files (photos, videos, music) directly to your TV. The main advantage is support by almost all Smart TVs and no need for additional PC software.
To use DLNA:
- Enable DLNA on your TV:
- On Samsung:
Settings → General → External devices → Playback devices → Enable. - On LG:
Settings → Network → DLNA. - On Sony:
Settings → Network → Home Network → Turn on media sharing.
- On Samsung:
- Open
Control Panel → Network and Internet → Network and Sharing Center → Advanced Sharing Settings. - Turn on
File and Printer SharingAndShared access so that network users can read and write files. - Make sure the folder with photos is located in
Shared folders(For example,Video,Images,Publicly available). - Start playback on TV: In the DLNA menu, select your computer and the folder with the images.
If the TV does not see the computer:
- 🔧 Check that the service is enabled on your PC
SSDP DiscoveryAndUPnP Device Host(throughservices.msc). - 🔒 Disable Windows Firewall or add an exception for
dlna. - 📂 Make sure the photo folder is not located on a network drive or in the cloud (DLNA only works with local files).
| Brand TV | DLNA function name | Supported image formats |
|---|---|---|
| Samsung | AllShare / Smart View | JPEG, PNG, BMP, GIF (without animation) |
| LG | SmartShare | JPEG, PNG, BMP, WEBP |
| Sony | Media Server / Photo Sharing Plus | JPEG, PNG, RAW (limited) |
| Xiaomi | Mi Home / DLNA | JPEG, PNG, HEIF (on new models) |
4. Method 3: Manufacturer's applications (Smart View, LG TV Plus)
Many brands are developing their own apps for wireless content transfer. These are often more stable than universal protocols and support additional features (such as presentation or slideshow management). Let's look at the most popular solutions:
For Samsung TVs: utility Smart View (previously Samsung SmartThings). It allows you to not only transfer images but also control your TV from your computer. Download the program from official website and follow the instructions:
- Install and run Smart View on PC.
- Turn on the TV
Screen Mirroring(Settings → Connections → Screen Mirroring). - In the app, select your TV from the list and confirm the connection.
- Drag photos into the program window or select a folder to play.
For LG TVs: application LG TV PlusIt supports the transfer of images, videos, and even screen mirroring. Its special feature is that it works via Wi-Fi Direct, which is useful if the router does not support multicast.
For Sony TVs: utility Video & TV SideViewIn addition to transmitting media, it allows you to use your smartphone as a remote control.
- ⚡ Pros: high stability, support for specific functions (eg Ambient Mode on Samsung).
- ⚠️ Cons: requires installation of additional software and may not work on older TV models.
⚠️ Attention: Manufacturers' applications often require account registration (for example, Samsung Account or LG Account). If you don’t want to create a profile, use alternative methods (Miracast or DLNA).
What should I do if the app doesn't find my TV?
1. Restart both devices.
2. Make sure that the TV is in the "Off" mode. Screen Mirroring or Mobile TV On (for LG).
3. In the router settings, disable AP Isolation (isolation of clients).
4. Try connecting via Wi-Fi Direct, if the router blocks the connection.
5. Update your TV firmware via the menu Settings → Support → Software Update
5. Method 4: Google Cast (Chromecast and built-in solutions)
If your TV supports Google Cast (or you have a set-top box Chromecast), you can transfer images through the browser Google Chrome or specialized apps. This method is universal and works even on older TVs with a set-top box.
Instructions for transferring via Chrome:
- Connect Chromecast to your TV and set it up using the app Google Home.
- Open Google Chrome on the computer.
- Click on the three dots in the upper right corner →
Hand over. - Choose yours Chromecast or a Cast-enabled TV.
- Open the image in a browser (for example, via Google Photos or local file).
- Click
Pass the taborTransfer file.
For transferring local files it is convenient to use the extension Cast for Education or service Google Photos:
- 🖼️ Upload photos to Google Photos (via browser or mobile app).
- 📺 Open Google Photos on the TV (via the built-in application or Chromecast).
- 🔄 Select an album or individual photos to play.
Advantages of Google Cast:
- 🌐 Works via the Internet (you can even transfer images from the cloud).
- 📱 Supports control from a phone (via Google Home).
- 🔄 Allows you to create slideshows with music.
6. Method 5: Specialized programs (Plex, Kodi, VLC)
If built-in methods aren't suitable, you can use third-party programs. They offer advanced features, such as media library creation, format transcoding, and remote control.
1. Plex Media Server
Plex — is a powerful media server that organizes your photos, videos, and music into a convenient library. To set up image transfer:
- Download and install Plex Media Server to the computer (official website).
- Add a folder with photos to the library (in the web interface Plex).
- Install the application Plex on TV (available for Samsung Tizen, LG webOS, Android TV).
- Log in and select your server – your photos will be available for viewing.
2. Kodi
Kodi — an open media player with UPnP/DLNA support. To transfer images:
- Install Kodi on the computer and TV.
- On your PC, enable sharing for your photo folder (
Settings → Services → UPnP/DLNA → Allow remote control). - On TV in Kodi go to
Files → Add Source → Browse → UPnP Devices. - Select your computer and the folder with the images.
3. VLC
VLC Can stream media over the network. For photo transfer:
- Open VLC on PC, go to
View → Stream. - Add a folder with images and select
HTTPas a protocol. - Open on your TV VLC (or another player that supports network streams) and enter the address generated on your PC.
| Program | Pros | Cons | TV support |
|---|---|---|---|
| Plex | Convenient media library, transcoding, cloud access | Requires registration, paid features | Samsung, LG, Android TV, Apple TV |
| Kodi | Free, open source, flexible settings | Complex interface for beginners | Any TV with Android or a set-top box |
| VLC | Lightweight, no installation required on TV | There is no interface for the photo gallery. | Any TV with a browser or DLNA |
7. Typical problems and their solutions
Even with proper setup, errors can still occur. Let's look at the most common ones and how to fix them:
1. The TV doesn't see the computer.
- 🔌 Check that both devices are connected to one network (not to guest or different VLANs).
- 🔄 Reboot your router—sometimes the DHCP server issues incorrect IP addresses.
- 🛡️ Disable your firewall or antivirus software on your computer (they may block multicast traffic).
- 📡 Check that the router is turned on
UPnP(Settings → Local Network → UPnP).
2. The image slows down or breaks
- 📶 Switch to range
5 GHz- it is less congested and provides greater throughput. - 📉 Reduce the resolution of the transmitted images (for example, from
4KtoFull HD). - 🔌 Connect your computer to the router via cable (if possible) - this will reduce the load on your Wi-Fi.
- 🔄 In your router settings, set a fixed channel instead
Auto(For example,36or149).
3. There is no sound when transmitting images
- 🔊 Make sure that the TV is selected in the PC audio output settings (click
Win + K → Sound Options). - 🔄 Restart the service
Windows Audio(services.msc). - 📺 Make sure that the sound is not muted in the HDMI/DisplayPort settings on your TV.
4. The connection keeps breaking.
- 📶 Check the Wi-Fi signal strength on your TV (in the network settings). If it's weak, move the router closer or use a repeater.
- 🔋 Make sure your TV doesn't go into sleep mode (
Settings → Power Saving → Standby Mode). - 🔄 Update your router and TV firmware.
⚠️ Attention: On some TVs Xiaomi And TCL function Screen Mirroring may conflict with the connection via DLNAIf one of the connections isn't working, try disabling the other one in the network settings.
8. Alternative options (if Wi-Fi is not suitable)
If a wireless connection is not possible (for example, due to a weak signal or no Wi-Fi), consider alternative methods:
1. HDMI connection
The most reliable and versatile method. You'll need:
- 📺 Cable HDMI (version 1.4 or higher for
4K). - 💻 Modern laptops may require an adapter (e.g. USB-C → HDMI).
Simply connect the cable to your PC and TV, then select the desired signal source on your TV (HDMI 1/2/3).
2. USB drive or external hard drive
Copy your photos to a flash drive and connect it to your TV. Most Smart TVs support these formats. JPEG, PNG, BMP and even RAW (on 2020+ models).
3. Cloud services (Google Photos, Yandex Drive)
Upload your images to the cloud, then open them on your TV using the built-in browser or app (e.g. Google Photos or Yandex Disk).
4. Set-top boxes (Apple TV, Android TV Box)
If your TV does not support Smart functions, you can use an external set-top box (for example, Xiaomi Mi Box or Nvidia Shield). They support all the transmission methods described above (Miracast, DLNA, Google Cast).
FAQ: Frequently Asked Questions
Is it possible to stream pictures from a Mac to a TV via Wi-Fi?
Yes, for this use:
- AirPlay: if you have Apple TV or a TV with AirPlay 2 support (for example, Samsung 2018+, LG 2019+).
- DLNA: turn on sharing in
System Preferences → Sharing → Media Sharing. - Google Cast: via browser Chrome (similar to Windows).
Miracast on Mac requires third-party software, such as: AirParrot or Reflector.
Why can't the TV see the computer but open photos?
Possible reasons:
- 📂 Folder not located in
Shared foldersWindows (must be inC:\Users\Public\Picturesor similar). - 🔒 Insufficient access rights: in the folder properties, check that the group
Allpermission is setReading. - 📁 Unsupported format: some TVs cannot open it
HEIC(photo from iPhone) orRAW. - 🔧 Service failed: Please restart
SSDP DiscoveryAndUPnP Device HostVservices.msc.
How to transfer images from a phone to a TV via a computer?
There are two options:
- Via the cloud:
- Upload photos from your phone to Google Photos or Yandex Disk.
- Open them on your computer and stream them to TV using one of the methods described.
- Connect your phone and PC to the same Wi-Fi network.
- Use apps like Send Anywhere or LocalSendto send the photo to your computer.
- Then stream them to your TV via DLNA or Miracast.
Is it possible to stream images from Linux to TV?
Yes, the following methods are available in Linux:
- DLNA: install miniDLNA or Rygel to organize a media server.
- Miracast: use gnome-network-displays (for GNOME) or scrcpy (for screen duplication).
- Google Cast: via browser Chrome or utility mkchromecast.
- Kodi/VLC: the setup is similar to Windows (see section 6).
For installation miniDLNA run in terminal:
sudo apt install minidlnasudo systemctl start minidlna
sudo systemctl enable minidlna
Then edit the config /etc/minidlna.conf, specifying the path to the folder with photos.
How to speed up image transfer over Wi-Fi?
WITH