Connecting your computer to a Xiaomi TV HDMI: complete instruction with problem solutions

Connecting your computer to a Xiaomi TV HDMI-cable is an easy way to turn your TV into a big monitor for work, games or movies, but even with this standard procedure, there are nuances, from choosing the right cable to adjusting the resolution and sound. In this article, we will look at all the stages of connection, including solutions to typical problems faced by Mi users. TV, Redmi Smart TV other brand models.

Many people mistakenly think that just inserting a cable will work automatically, but in practice, you often have to manually adjust the signal sources, the screen resolution, or solve problems with the lack of image, and we will explain in detail how to avoid these difficulties and what to do if something goes wrong.

We'll focus on resolution compatibility between PCs and TVs, because incorrect settings can lead to blurred images or black screens. HDMI, If it's default on a computer speaker.

If you are using Xiaomi TV Google operating system TV or MIUI TV, Some steps may be different -- we'll mark these points separately -- and for older models, for example, Mi. TV 4A 2018) provide alternative ways of setting up.

1. Which one? HDMI-Adapters and cables will be needed.

Before you connect your computer to your TV, make sure you have the right cable. - Modern Xiaomi TV support HDMI 2.0/2.1, But not all cables are equally efficient:

For most tasks (office work, watching videos in Full) HD or 4K@30Hz is fine. HDMI 1.4. However, if you plan to play games on PC or watch content on PC 4K@60Hz or 120Hz, we'll need a cable. HDMI 2.0 Or newer. Pay attention to the marking:

• 🔹 Standard HDMI — fit 720p/1080p before 30 Hz
• 🔹 High Speed HDMI — supportive 4K@30Hz and 1080p@120Hz
• 🔹 Premium Certified HDMI — guarantee 4K@60Hz. HDR
• 🔹 Ultra High Speed HDMI — for 8K@60Hz or 4K@120Hz (relevant to Xiaomi) TV Q2 2023+)

If not on your computer HDMI-port (for example, on some laptops or mini PCs), adapters may be needed:

• 🖥️ USB-C → HDMI — For modern laptops with Thunderbolt 3/4 or USB4
• 🖥️ Mini DisplayPort → HDMI — for stationary PCs with discrete graphics cards
• 🖥️ DVI → HDMI — if only on the video card DVI (You will need an active adapter!)

⚠️ Note: Cheap, uncertified cables or adapters may not support high resolution or HDR. If the image flashes or there is no sound after connecting, check the cable on another device.

For Xiaomi. TV portable HDMI ARC/eARC (It's usually tagged on the back, and it's best to use this connector if you're planning to output the sound from the TV to the soundbar or the receiver. HDMI-entrance.

2. Step-by-step: how to physically connect your PC to Xiaomi TV

Now, let's get to the connection itself. Follow these steps to avoid the typical errors:

Step 1 Turn off both devices

Before connecting the cable, it is recommended to turn off both the computer and the TV, which will prevent possible failures in recognizing the new device, and if you connect the cable to the hot one, you may need to reboot or manually switch the signal source.

Step 2. Connect. HDMI-cable

• 🔌 At one end, insert the cable into HDMI-port on the computer (or adapter).
• 📺 At the other end, connect to the TV. If there are more ports, remember the number (for example, HDMI 1 HDMI ARC).
• 🔄 Make sure the cable sits tightly in the connectors – sometimes the contacts may not reach the end.

Step 3. Turn on the devices

Turn on the TV first, then the computer. on most Xiaomi TV When you turn on, you automatically get a window that selects the source of the signal. If that doesn't happen, move on to the next step.

Step 4: Select the signal source on the TV

On the Xiaomi remote, click the Source button (or Input/SOURCE). In the menu that appears, select the one HDMI-port to which the cable is connected (for example, HDMI 1). If the image doesn’t appear, try other ports in turn.

Both devices are turned off before connecting|The cable is tightly inserted into both ports.|Selected the right source of the signal on TV|Try it all. HDMI-port-to-port-->

If the image does not appear after these actions, go to the section ["What to do if there is no image or sound"] (#troubleshooting) (link to the section below).

3. Setting up screen resolution on the computer

Once connected successfully, the TV may be blurred, cropped, or not occupying the entire screen, due to a resolution mismatch between PC and TV. Here's how to fix this:

For Windows 10/11:

1. Right-click on the desktop and select Screen Settings.
2. In the Display section, find the second screen (TV) and click on it.
3. In the drop-down menu, select the recommended one for your TV. for Xiaomi TV It's usually: 📺 1920 × 1080 (Full HD) pre-model 55 inch 📺 3840 × 2160 (4K UHD) TV-set 55" more

Scale and marking

100%

150-200%

Save the changes

For macOS:

1. Open System settings → Monitors.
2. Select the TV in the display list.
3. Set the default resolution for [TV model] or manually select 1920×1080/3840×2160.
4. Turn off the Scaling option if the image is blurry.

For Linux (Ubuntu/Debian):

Use the arandr utility or commands in the terminal:

xrandr --output HDMI-1 --mode 3840x2160 --rate 60

To find out your name HDMI-port, enter:

xrandr -q

⚠️ Warning: If the screen turns black after the resolution change, wait 15 seconds — Windows will return the previous settings automatically. If this does not happen, restart the PC in Safe Mode and return the standard resolution.

💡

If the image is “shifted” or cropped at the edges on the Xiaomi TV, turn on Just Scan mode in the TV settings (or 1:1 Pixel Mapping in the Image menu). → Additional settings).

4. Customize audio via HDMI

By default, sound can continue to play through the computer's speakers, even if the image is displayed on the TV.To redirect the audio to Xiaomi TV, perform the following actions:

For Windows 10/11:

1. Right-click on the sound icon in the tray and select Open sound parameters.
2. In the Output section, select the device with the name of your TV (for example, NVIDIA High Definition Audio or AMD HDMI Output).
3. Click Device by default if the option is available.
4. To check, play the test sound.

For macOS:

1. Open System Settings → Sound → Output.
2. Choose. HDMI The name of your TV (such as Xiaomi) TV).
3. Adjust the volume – it can be controlled from both the TV remote and the PC keyboard.

Some Xiaomi models TV (Like Mi. TV 4S) sound HDMI It may not work if the TV settings are on PC Mode, to fix it:

1. On the remote, press Menu. → Settings → Image.
2. Find the Mode option. HDMI and select the Standard instead PC.
3. Reboot the TV.

💡

If the sound is late (for example, in games or movies), try to turn off the audio processing in the TV settings: → Sound. → Additionally. → Sound processing (Off.).

5. Optimize the image for different tasks

Depending on what you connect your computer to your TV, you'll need different image settings, and here are some recommendations for the most popular scenarios:

For office work and web surfing:

• 📄 Set the permit. 1920×1080 or 2560×1440 (if maintained).
• 📄 Enable Read or Text in the TV image settings to reduce flickering.
• 📄 Turn off Dynamic Lighting (Settings) → Image: → Additionally) to reduce eye fatigue.

For watching movies and videos:

• 🎬 Select the resolution corresponding to the original video (for example, 3840×2160 for 4K-content).
• 🎬 Turn it on. HDR, If the TV and computer support it (Windows settings) → System system → Display. → HDR).
• 🎬 Set Movie or Movie Mode in TV Settings for a more natural color rendering.

For games:

• 🎮 Set the maximum resolution that your video card supports (e.g, 4K@120Hz for RTX 30/40 series).
• 🎮 Turn on the game mode on the TV (Settings) → Image: → Image mode → Game).
• 🎮 Turn off post-processing (Dynamic contrast, Noise Reduction) to reduce input delay.
• 🎮 Use the cable. HDMI 2.1 for 4K@120Hz or 1440p@144Hz.

For Xiaomi models TV s OLED-screen (e.g., Mi) TV 6 OLED) It is recommended to turn off Automatic Brightness in settings to avoid pixel burnout in static images (for example, Windows taskbar).

6. Solving common problems

Even with the right connection, there can be problems, and here are the most common ones and ways to fix them:

Problem 1: No image on the TV

• 🖥️ Check that the computer displays the signal on the second screen (click Win). + P and select Duplicate or Expand).
• 🖥️ Try another one. HDMI-TV-port.
• 🖥️ Update your graphics card drivers (especially if you use discrete graphics).
• 🖥️ Some Xiaomis TV manually PC Mode in settings HDMI-port.

Problem 2: Sound is transmitted through PC speakers, not TV

• 🔊 In the sound settings Windows/macOS choose HDMI-device (see section) 4).
• 🔊 Check what's on the TV on the Sound menu → HDMI ARC audio-on.
• 🔊 If you use HDMI ARC, Make sure that the function CEC enabled on both devices.

Problem 3: Image blurred or with artifacts

• 📺 Set the "native" TV resolution (see table in section 3).
• 📺 Turn off scaling in Windows settings (Screen settings) → Scope → 100%).
• 📺 Check the cable – cheap uncertified cables may not support high resolutions.
• 📺 On the TV, turn on Just Scan (Settings) → Image: → Screen size).

Problem 4: The TV does not respond to the remote when the PC is connected

• 🎮 This is normal behavior if in the settings. HDMI-port included PC Mode (the remote is locked to reduce input delay).
• 🎮 To get back the control, turn it off. PC Mode in the TV menu or turn off the cable HDMI.

Problem 5: Black bars on the edges of the screen

• 🖼️ On the TV, turn on Just Scan or 1:1 Pixel Mapping.
• 🖼️ In the PC graphics settings (NVIDIA/AMD/Intel) shut down the scaling.
• 🖼️ Check that the PC resolution is the same as the TV resolution (e.g, 3840×2160 for 4K-television).

⚠️ Note: On Xiaomi TVs with an Amlogic processor (e.g. Mi) TV 4A 2018-2019 d) may not be able to work above the permit 4K@30Hz because of the limitations of the chipset. 1080p@60Hz or update the TV firmware.

7. Additional features: control of TV from the keyboard and mouse

If you connect your computer to Xiaomi TV Google TV or MIUI TV, You can control some of the functions of the TV directly from the keyboard or the mouse of the PC:

Activation. CEC (HDMI-CEC):

Function CEC It lets you control the TV from the remote control or vice versa:

1. On TV: Settings → Devices and connections → HDMI-CEC (On.).
2. On PC (Windows): turn on CEC graphics-card drivers (NVIDIA/AMD/Intel).
3. On macOS: the feature is supported automatically when you connect to Apple TV or compatible TV.

After activation, you will be able to:

• 🎮 Turn on/off TV from the PC keyboard (Power buttons).
• 🎮 Adjust the volume from the keys F10/F11/F12 (or multimedia buttons).
• 🎮 Switching signal sources from the TV remote.

Using the TV as a second monitor:

If you want to expand your desktop (rather than duplicate it), press Win in Windows. + P and select Expand. On macOS, it's done in System Settings. → Monitors (remove the mirror display box).

Google's management TV/MIUI TV mouse-on:

On Xiaomi TVs with Google TV (for example, Xiaomi TV A2 2023) a mouse can be used to navigate the interface:

1. Connect your Bluetooth mouse to your TV (Settings) → Devices → Bluetooth).
2. Or plug in. USB-port USB-A TV.
3. You can now control the TV menu as you would on a regular PC.

💡

Function CEC It can conflict with some games or applications. If you notice delays when you press buttons on the remote, turn off. CEC TV-setting.

8. Alternative ways of connecting (if HDMI does not work)

If you connect through HDMI For some reason it is not possible (e.g., a broken port or no suitable cable) alternative methods may be used:

1. Connection via Wi-Fi (Miracast/WiDi):

• 📶 Xiaomi. TV Turn on Miracast (Settings) → Connections → Wireless display).
• 📶 On PC (Windows) 10/11) press Win + K and choose your TV.
• 📶 For macOS, use AirPlay (if the TV supports it).

Cons: delays and reduced image quality are possible.

2. Connection through USB-C (DisplayPort Alt Mode):

• 🔌 If there's a port on the PC USB-C with DisplayPort support, you can use an adapter USB-C → HDMI.
• 🔌 Some Xiaomis TV (Like Mi. TV Q1) eat USB-C port, but it is usually only for food or multimedia.

3. Use of the DLNA/UPnP media transmission:

• 🎵 Install a media server program on your PC (for example, Plex or Kodi).
• 🎵 On TV, open the Media Player or Photo/Video app and select your PC as the source.

This method is suitable only for viewing movies and photos, but not for duplication of the screen.

4. Ethernet connection (for stable streaming video):

• 🌐 Connect PC and TV with one router via Ethernet cable.
• 🌐 Use apps like Steam Link or Moonlight to stream the screen.

If you want maximum quality without delay, HDMI Alternatives should be considered only as a temporary solution.

Frequently Asked Questions (FAQ)