Connecting a laptop to a Xiaomi Mi TV TV 4S through HDMI: Complete guidance with solutions to typical problems

Connecting a laptop to a Xiaomi Mi TV TV 4S through HDMI It's a new way of doing things, from watching movies on the big screen to working with presentations or games, but even in 2026, users are facing the typical problems: no image, no sound, or the TV doesn't recognize the source of the signal. In this article you will find a step-by-step instruction taking into account the features of Mi. TV 4S, permission compatibility table and practical troubleshooting tips.

We will consider not only the basic connection, but also the nuances of setting the screen resolution, choosing the right one. HDMI-port (on Mi) TV 4S There can be up to 3 of them, and they support different standards, as well as alternative ways of connecting if the cable is not available.

If you’ve tried to connect before and encountered a No Signal or Unsupported Mode error, there’s a section on how to diagnose the causes and how to fix them, and we’ll also analyze why some laptops (especially those with hybrid graphics) are not available. NVIDIA Optimus/AMD Switchable) requires additional settings in drivers.

1.What you will need to connect: full checklist of equipment

Before you start connecting, make sure you have everything you need. - Xiaomi Mi TV 4S (Depending on the model and year of release, there may be different versions. HDMI-port: HDMI 1.4. HDMI 2.1 This affects the supported resolution and refresh rate.

Here is the minimum set for a successful connection:

HDMI-cable (version 1.4 or later, length up to 3 m)

Laptop with HDMI-output (or adapter for USB-C/Thunderbolt)

Xiaomi Mi TV TV 4S free-riding HDMI-port

TV remote control (to select the source of the signal)

Laptop charger (it is recommended to connect to avoid discharge)-->

Pay attention to the version. HDMI-cable:

• 🔹 HDMI 1.4: supportive 4K@30Hz or 1080p@60Hz. Suitable for office tasks.
• 🔹 HDMI 2.0: 4K@60Hz, HDR. Optimal for movies and games.
• 🔹 HDMI 2.1: 8K@30Hz or 4K@120Hz. Needed for modern consoles or high-performance PCs.

Xiaomi Mi TV 4S 55" (model L55M5-5ASR) and younger are usually equipped HDMI 2.0, Newer versions (e.g. Mi) TV 4S 65" 2023) may have HDMI 2.1 Check your model's specifications in the documentation or on the sticker at the back of the TV.

⚠️ Note: If your laptop has only USB-C full-size HDMI, You'll need a DisplayPort Alt Mode adapter, and cheap adapters without a chip converter can't send the image to the computer. 4K.

2. Step-by-step: how to physically connect a laptop to Xiaomi Mi TV 4S

Follow this algorithm to avoid common errors when you first connect:

1. Turn off the TV and laptop, and this will prevent any conflicts when you initialize the signal.
2. Connect. HDMI-cable to the port on the TV. TV 4S Ports are usually located on the side or back. HDMI 2.0 (if any).
3. Connect the other end of the cable to the laptop, USB-C → HDMI), Make sure it is securely fixed.
4. Turn on the TV, then turn on your laptop, and wait for both devices to load fully.
5. On the Xiaomi remote, click the Source (or Input) button and select the appropriate one. HDMI-port, HDMI 1).

If the image does not appear automatically, follow the following steps on your laptop:

• 🖥️ Windows: Press Win + P and select Duplicate mode or Second screen only.
• 🍎 macOS: Open System Settings → Monitors and activate Mirror Mode.
• 🐧 Linux: Use the arandr utility or xrandr command --output HDMI-1 --auto (substitute HDMI-1 port).

Critical detail: on some models of Mi TV 4S port HDMI 3 maybeARC (Audio Return Channel) and do not support the input signal. HDMI 1 HDMI 2 to connect a laptop.

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If the TV doesn't respond to source selection, try rebooting it by holding the power button on the remote for 10 seconds. HDMI-controller.

3. Setup resolution and refresh rate: how to avoid blurring and lag

Once successfully connected, the image may be blurred, cropped or slowed down.This is due to incorrect resolution settings. TV 4S Supports the following main regimes:

To change the resolution on the laptop:

• 🖥️ Windows 10/11: PCM on the desktop → Screen parameters → Choose Mi. TV 4S display-list → Establish the recommended permit.
• 🍎 macOS: In the monitor settings, select Scaling and mark Default for (TV name).

If the required permission is not on the list:

1. Update the graphics card driver (especially relevant for the NVIDIA/AMD).
2. Manually add permission through the Control Panel NVIDIA or AMD Radeon Settings.
3. For Intel Graphics, use the Intel Graphics Command Center utility.

⚠️ Note: When choosing a permit 4K@60Hz make sure the cable is certified as High Speed HDMI (The packaging must be marked appropriately or the image will flash or be missing.

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For gamers: turn on the settings of the TV mode "Game" (Settings) → Picture → Image mode → This will reduce the input delay to 10-15 miss.

4. Problem Solving: No image, sound or TV can't see laptop

Even with the right connection, there can be failures, and let's look at typical scenarios and how to fix them:

🔴 No image (black screen or the words "No Signal")

• 🔌 Check the density of the cable on both sides. Try the other port. HDMI TV-wise.
• 🖥️ On your laptop, press Win. + Ctrl + Shift + B (Windows) – This will reboot the graphics card driver.
• 🔄 Restart both devices by pre-disabling the cable.
• 🛠️ If a laptop with hybrid graphics (NVIDIA Optimus, in the control panel NVIDIA choose HDMI discrete-card.

🔊 No sound through HDMI

• 🎵 On Windows: PCM on the sound icon → Reproduction devices → Choose Mi. TV 4S default.
• 🍎 On macOS: In audio settings (System settings) → Sound) select the exit through HDMI.
• 🔇 Check if the sound on the TV is turned off (Mute button on the remote control).

📺 The TV does not recognize the laptop (no response to the source selection)

• 🔄 Try another one. HDMI-cable.
• 📋 Update the TV firmware: Settings → On TV. → Update of the PO.
• 🔧 Reset the settings. HDMI on TV: Settings → Preferences → Reset → Resetting settings HDMI.

5. Alternative ways of connecting: if HDMI not working or not working

If your laptop is not equipped HDMI-Port or cable damaged, consider the following options:

🔄 Connection through USB-C (Thunderbolt 3/4)

Many modern laptops (for example, MacBook Pro, Dell) XPS, Lenovo Yoga has a port USB-C It's also supported by DisplayPort Alt Mode:

• 🔌 Use the adapter. USB-C → HDMI (We recommend models with a Realtek chip RTD2173 or Parade PS175).
• 🖥️ In the display settings, select Expand or Duplicate mode.

📶 Wireless connection (Miracast/Wi-Fi Direct)

Xiaomi Mi TV 4S Supports Miracast technology, which allows you to broadcast the screen without wires:

1. On TV: Settings → Connection and Sharing → Miracast.
2. On a laptop (Windows): Win + K → Choose Mi. TV 4S list.
3. On macOS: Use AirPlay (if your TV is connected to the same Wi-Fi network).

Limitations of wireless connection:

• 📉 Delay to 100-150 MS (not suitable for games).
• 🎮 Maximum authorization — 1080p@30Hz.
• 🔋 High battery consumption of laptop.

🖥️ Connection through DLNA/UPnP (media-file)

If you only need to stream a video/photo, use the built-in media server:

1. On the TV, open the Photo/Video app.
2. On your laptop, enable folder sharing or use programs like Plex, Kodi.

⚠️ Note: When using adapters USB-C → HDMI Some laptops (especially those with 11th-generation Intel processors and newer ones) may require additional Thunderbolt drivers.

6. Optimization for specific tasks: games, movies, work

Depending on the purpose of connecting the settings Mi TV 4S And the laptops will be different. Let's look at the optimal configurations:

🎮 For games (minimizing lags and breaks)

• 🎯 Turn on the Game Mode on the TV: Settings → Picture → Image mode → Game.
• 🖥️ On a laptop in the control panel of the video card (NVIDIA/AMD) Select the priority of productivity.
• 🔌 Use it. HDMI 2.0/2.1 for 4K@60Hz or 1080p@120Hz (if supported).

🎬 For watching movies (maximum quality) HDR)

• 🌈 Activate. HDR In Windows settings: Settings → System system → Display. → Windows HD Color.
• 📺 On TV: Settings → Picture → HDR → On..
• 🎧 For surround sound, select Dolby Digital or DTS notebook-sound settings.

📊 For working with documents (clear text)

• 🔍 Set 100% zoom (no zoom) to avoid font blurring.
• 🖥️ Use your permission. 1920×1080 or 2560×1440 legible.
• 🌡️ Turn off auto-regulating brightness on the TV: Settings → Energy conservation → Autobrightness → Off..

For owners of laptops with AMD Radeon or NVIDIA GeForce is useful to include G-Sync/FreeSync (if the TV supports):

NVIDIA Control Panel → Display → Setting up G-SYNC → Include for window and full-screen modes

7. Frequent mistakes and how to avoid them

Even experienced users sometimes make connection errors, and here are the most common ones and ways to prevent them:

• 🚫 Use of cheap HDMI-Cables: Uncertified cables may not support 4K@60Hz or HDR. Buy cables with Premium Certified label.
• 🔌 Port connection HDMI-ARC: On Mi. TV 4S port HDMI 3 is often used for sound (ARC). It may not work as an input for video.
• 🔄 Ignoring updates: Outdated TV firmware or graphics card drivers can cause conflicts. check for updates regularly.
• 📏 Incorrect resolution: Choosing a non-standard resolution (e.g, 1366×768 on 4K-It causes blurring. Always use native resolution Mi. TV 4S.

Another common problem is the latency of the audio relative to the video, so that you can sync them.

1. On Windows: PCM on the sound icon → Reproduction devices → mi TV 4S → tab Additional → Turn off Allow applications to control the device.

8. FAQ: Answers to popular questions