Black stripes on the sides of the screen or cropped image spoil the impression of watching movies on Xiaomi TV. The problem arises from the mismatch between the video (16:9, 21:9, 4:3) and the TV screen, as well as the incorrect zoom settings. In this article, we will discuss all the working ways to stretch the picture to the full screen - from the standard Mi functions. TV Up to the hidden parameters of Android TV.
It's important to understand that not all movies can be stretched properly without losing quality. 21:9 (Ultra-wide doesnβt physically fill the entire screen 16:9 without cutting or distorting. 90% In some cases, black bars are caused by incorrect settings on the TV, not by the content, and we'll show you how to fix this on Mi models. TV 4S/4A/5X, Redmi Smart TV and others with Android TV or PatchWall.
If you connect your TV to your computer, console or smartphone, the problem may lie in the source of the signal, not in Xiaomi itself. TV. The article has a separate section with solutions for such cases.
1. Standard scale settings on Xiaomi TV
To start with, the simplest of features is the built-in image resize options, which are available on all Xiaomi models regardless of the year of release. The interface may vary slightly depending on the firmware version (PatchWall or Android). TV), but logic is the same.
To open the zoom menu:
- During the playback of the movie, press the Menu (or Settings) button on the remote.
- Select the Image icon** (usually looks like a rectangle with a triangle inside).
- Go to Screen Mode (or Screen Mode, Aspect Ratio).
The following options will be available in this menu (may vary depending on the model):
- πΊ Auto β TV sets the scale (often works incorrectly).
- π¬ 4:3 - for old films and programs (on the sides there will be black stripes).
- π₯οΈ 16:9 β The standard for most modern video.
- π Stretch (or Zoom) β the picture will fill the entire screen, but may be cropped.
- π The screen size is the best option for most cases.
If youβre watching a 21:9 movie (like blockbusters in Ultra Wide), select βStraightβ to remove the black bars, but slightly distort the proportions. 16:9 (most TV shows and YouTube) will suit either Screen size or 16:9.
β οΈ Note: On some models (e.g. Mi) TV 4A 32β²β² option Stretching can crop the edges of the image. In this case, try Panorama mode (if any) or adjust the scale manually through Engineer Menu (more on this below).
2. Hidden settings via Engineer Menu (for experienced)
If standard modes donβt work, you can use the Engineering Menu, a hidden section with advanced settings that is available on all Xiaomi devices. TV Be careful: the wrong changes can cause a TV to crash.
To open Engineer Menu:
- On the remote, press sequentially: Menu β Settings (Settings) β All settings (All Settings) β Device (Device) β On TV (About)
- Find the Model line and quickly click on it 5 times in a row (as on Xiaomi smartphones to enable the developer mode).
- You will be asked to enter a password, enter the code: 12345 or 654321 (depending on the model).
In the engineering menu you are interested in the following sections:
- π§ Picture Settings β Screen Fit β here you can manually scale horizontally and vertically.
- π Display Module β Overscan β adjusting edge trimming (useful for analog signal).
- πΌοΈ HDMI Scaling β Scaling settings for HDMI-devices (configures, PCs).
For most users, just change the Screen Fit setting to βOffβ** (off) to cancel automatic zooming. If the image is too large or small, go back to this section and adjust the values of Horizontal Size (horizontal size) and Vertical Size (vertical size) manually.
What happens if the Engineer Menu does not open?
3. Scaling through apps (YouTube, Kodi, VLC)
If you watch movies through streaming services (YouTube, KinoPoisk, IVI) or media players (Kodi, VLC), The problem may be the settings of the app itself. Many programs have their own zoom options that conflict with the settings of the TV.
Hereβs how to scale up in popular apps:
| Annex | The path to settings | Recommended parameter |
|---|---|---|
| YouTube | Settings β Quality. β Relationship of parties | "By screen size"** or 16:9 |
| Kodi | Settings β Player. β Video β Scaling | "Auto"** or "Size of screen" |
| VLC | Settings β Video β Scope | "Fill" (Fill) or 1:1 |
| Netflix/IVI | No separate settings | Use the settings of the TV (section 1) |
You can also enable automatic aspect ratio change in Kodi based on content.
- Open the Settings. β Player. β Video.
- Find the Adjust display refresh rate to match video option and turn it on.
- Activate Allow hardware acceleration for smooth scaling.
β οΈ Attention: B VLC Fill mode can crop the edges of a video. If the full picture is important (for example, in documentaries), select Original and stretch through the TV settings.
4. Solution for connecting by HDMI (PC, consoles, game consoles)
If black bars appear when you connect your TV to your computer, Xiaomi Mi Box, PlayStation or Xbox, the problem lies in the settings of the signal source, not Xiaomi itself. TV. Here you need to configure the resolution and aspect ratio on the device that transmits the picture.
The overall scheme of action:
- Make sure the cable is HDMI Supports the required permission (for example, 4K@60Hz demand HDMI 2.0).
- At source (PC/Set-top box) set the native resolution of your TV (for example, 3840Γ2160 for Mi TV 5X 55").
- Turn off scaling in graphical settings.
Detailed instructions for different devices:
- π» Windows 10/11: Press Win. + P and select "Second screen only"** (if the TV is duplicated). Open Settings β System system β Display. Select the TV and set the resolution. 3840 Γ 2160 (In the additional settings, disable scaling (should be) 100%).
PlayStation 5:
Settings β Screen and Video β Output Resolution β 2160p (or 1080p)
Settings β Screen and video β Side ratio β Full-screenXiaomi Mi Box / Android TV:
Settings β Display and Sound β Resolution β Auto (or 4K 60Hz)
Settings β Display and sound β Relationship of parties β By screen size.HDMI 2.0 or higher cable is used
The source is installed native-resolution TV
Scaling in Windows/macOS disconnected (100%)
In the graphic settings (NVIDIA/AMD) disconnected GPU Scaling-->
If after all the manipulations black stripes remain, try resetting the settings. HDMI TV-wise:
- Open the Settings. β Devices β HDMI.
- Select the desired port and click Reset. HDMI).
5. Problems with video format and codecs
Sometimes black bars or wrong scales are caused by format incompatibility, like the TV doesn't support codecs. H.265 (HEVC) in.mkv files, or video recorded in non-standard resolution (e.g, 2560Γ1080). In such cases, it will help:
- π Converting video to a standard format (e.g, MP4 codeced H.264).
- π Use of an external player (e.g. Kodi or VLC, which support more codecs).
- π§ Update of TV firmware (new versions add support for modern formats).
Check if your Xiaomi is supported TV video:
- Connect the file to the TV.
- Try playing the video through a standard player.
- If an error does not support the format, use Kodi or convert the file.
For conversion, we recommend a free program HandBrake (settings for Xiaomi). TV):
- Format: MP4
- Video codec: H.264 (AVC)
- Permission: 1920Γ1080 or 3840Γ2160 (depending on the TV model).
- The aspect ratio is 16:9 (unless the original video is ultra-wide).
π‘
If the TV canβt see the files on the flash drive, format it into FAT32 (For files up to 4 GB or exFAT (for large files). NTFS Not all Xiaomi models are supported TV.
6. Hardware limitations and model features
Some Xiaomi TVs have hardware limitations that prevent you from completely removing black stripes without distortion.
- πΊ Budget models (e.g. Mi models) TV 4A 32" or Redmi Smart TV 40") matrixed 1366Γ768 β They can't physically display the full. HD scaleless.
- π₯ Ultra-wide movies (21:9) β The screen 16:9 will always have black bars on top and bottom.
- π Analog connections (AV, VGA) β The signal may be cut off due to overscan (setting in Engineer Menu).
If your TV falls into one of these categories, you can't completely remove the black bars without losing quality.
- Use the βZoomβ mode with minimal distortion.
To check the real resolution of your Xiaomi TV:
- Check the table of supported permissions for your model (can be found on the Mi Community website).
π‘
If your TV has a permit 1366Γ768, It will not be able to display Full correctly. HD (1920Γ1080) So in this case, the black bars are not a defect, but a feature of the matrix.
7. Update firmware and reset settings
If none of these methods worked, the problem could be outdated firmware or system settings that have gone wrong, and software updates often add support for new video formats and fix scaling bugs.
To update the firmware on Xiaomi TV:
- Open Settings β About TV β Update system.
- Click on Check for Updates (Click for Updates).
If the update didnβt help or the TV is unstable, reset to factory settings:
- Go to Settings β Device β Reset and Recovery.
- Select "Reset all settings" (Factory data reset).
β οΈ Warning: Reset will delete all installed apps, accounts and personal settings. Pre-write login details to Google, Netflix and other services. Wi-Fi settings will also have to be reset.
After discharge:
- Go to Settings. β Image and scale again.
- Update the firmware to the latest version.
- Install the necessary applications (e.g., Kodi for playing non-standard formats).