How to turn on and configure the keyboard lighting on the Xiaomi RedmiBook laptop: all ways

Why the keyboard lighting on RedmiBook doesn’t work and how to fix it

Xiaomi RedmiBook Pro Series Laptops (including 14 Pro, 15 Pro and 16 Pro models) RGB-It's a keyboard light that not only adds style, but also makes it easier to work at night, but many users are faced with the problem that the backlight either doesn't turn on at all or doesn't work correctly -- blinks, changes colors arbitrarily, or shuts down after a few seconds. The reasons can be different: from banal (disabled function in the BIOS) before technical (driver failure or firmware failure).

In this article, we will discuss all the official and alternative ways to turn on the backlight on RedmiBook, and also explain how to fix typical problems. It is important to understand that the activation algorithm depends on the model of the laptop and the version of MIUI for the PC (yes, Xiaomi laptops use a modified firmware similar to smartphones). If you just bought a device or upgraded the system, chances are that the backlight is simply disabled by default.

Before you go to the instructions, check two key points:

  • πŸ”‹ Make sure your laptop is connected to the network. On some models, the backlight automatically turns off when you're running from the battery to save charge.
  • πŸ”„ Restart the device. Sometimes the backlight failure is fixed by a simple reboot, especially after the system update.
πŸ“Š What kind of RedmiBook model do you have?
RedmiBook 14 Pro
RedmiBook 15 Pro
RedmiBook 16 Pro
Another Xiaomi model
I don't know.

Method 1: Hot keys for quick control of backlighting

The easiest way to turn backlight on or off is to use a keyboard combination. On most RedmiBook Pro models, the combination of Fn + Space is responsible for this. When you first press the backlight will turn on at minimum brightness with white color, repeated presses will cyclically change modes:

  • πŸŒ“ Level 1: Minimum brightness (white).
  • πŸŒ” Level 2: Average brightness (white).
  • β˜€οΈ Level 3: Maximum brightness (white).
  • 🎨 Rainbow mode: smooth change of colors of the rainbow.
  • ⚫ Switched off: backlight deactivated.

If the combination of Fn + Space does not work, try alternatives:

  • πŸ” Fn + F3 phn + F4 β€” In some models, these keys are responsible for lighting.
  • πŸ”„ Hold Fn for 2-3 seconds before pressing Space – sometimes helps with the β€œsticking” function.

⚠️ Note: RedmiBook Air laptops (without the Pro) don't have a physical backlight!

Make sure the Fn key is not locked (click Fn + Esc)

Try pressing Fn + Space with 2 seconds hold

Check if the Fn indicator is on (if any)

Restart your laptop and try again.-->

Method 2: Configure the backlight with MIUI Control Center

MIUI for PCs on Xiaomi laptops includes a special control center where you can flexibly adjust the keyboard backlight.

  1. Click on the Control Center icon in the lower right corner of the taskbar (near the clock). Alternatively, use the Win + A combination.
  2. In the menu that opens, find the tab "Lighting of the keyboard" (icon with keyboard and light bulb).
  3. Activate the "Lighten the Light" slider.
  4. Set up the parameters: πŸŽ›οΈ Brightness - from 10% before 100%. 🎨 Color – select from the palette or activate the Rainbow mode". ⏱️ Timer – Automatic shutdown through 5/10/30 minute or never.

If there's no backlight tab, either the backlight driver isn't installed or your model doesn't support this function, so move on to the next one.

ParameterDefault valueRecommended value
Brightness50%70-80% (optimum for the eyes)
ColourWhiteBlue or green (less fatigued eyes)
Rainbow mode.Off.Included (for dynamic effect)
Timer of shutdown10 minutes.Never (if you work long hours)

πŸ’‘

If the backlight turns on but goes off, check the power saving settings at MIUI Control Center. Battery Savings mode may be activated, which turns off the backlight after 30 seconds of inactivity.

Method 3: Activate backlighting via BIOS (for advanced users)

In rare cases, keyboard highlighting can be turned off at the BIOS level, which is true if you've recently updated your firmware or reset your settings to check:

  1. Turn off the laptop.
  2. Press and hold the F2 key, then turn on the power (Power button).
  3. In the BIOS menu, go to the Advanced tab β†’ Keyboard Backlight.
  4. Make sure that the Keyboard LED setting is set in Enabled.
  5. Save the changes (F10) and reboot.

⚠️ Warning: Do not change other settings in BIOS, If you're not sure what they're doing, it can cause a laptop to run in a way that's not stable!

What if the BIOS does not save the settings?
If you reset after saving (F10) and restarting, it indicates that the CMOS battery on the motherboard is dead, and then you need to replace it at the service center, and the temporary solution is to disconnect the laptop from the network for 10 minutes, then repeat the procedure.

Method 4: Update the backlight drivers via Xiaomi PC Suite

If the backlight worked before, but Suddenly stopped responding to keys or settings in MIUI, the problem may lie in a driver failure.

  1. Download the official Xiaomi PC Suite software from the Xiaomi support site.
  2. Install the program and connect the laptop to the Internet.
  3. Launch PC Suite and go to the Drivers section.
  4. Find the Keyboard Backlight Driver list and click Update.
  5. After installation, restart the laptop.

Instructions for Aurora RGB:

  1. Download and install the program.
  2. Launch on behalf of the administrator.
  3. In the main menu, select "Devices" β†’ "Add device" β†’ "Keyboard".
  4. In the list of manufacturers, select "Xiaomi".
  5. Adjust color, brightness and effects (wave, breath, static color).

⚠️ Note: Third-party programs may conflict with standard Xiaomi software. If after using them, the backlight stopped working completely - delete the utility and reset settings. MIUI through settings β†’ System system β†’ Reset.

Problem Solving: Backlights flash, don’t turn on or work incorrectly

If the backlight is acting strange (blinking, changing colors, only turning on for a few seconds), check the following points:

Problem.Possible causeDecision
The lighting flashes with an interval of 1-2 secondsDriver conflict or keyboard firmware failureUpdate the driver via Xiaomi PC Suite or reset the BIOS
Colors change arbitrarily.Activated mode "Rainbow" in MIUI or third-party programDisable the mode in MIUI Control Center or remove conflicting software
The lighting is turned on only when connected to the networkSetting up energy savingTurn off the option "Battery Saving" in MIUI β†’ Battery
The hot keys (Fn + Space) are not working.Fn Lock function disabled or keyboard failurePress Fn + Esc if it doesn’t help – check the keyboard in Device Manager

Critical information: On 2020 RedmiBook laptops (without the Pro series), the keyboard backlight is implemented through a separate controller that can fail when overheating. If none of these methods helped, and the laptop often heats up, contact the service for the diagnosis of the motherboard.

FAQ: Frequent questions about keyboard highlighting on Xiaomi RedmiBook

Can you change the color of the backlight to specific keys (e.g. WASD)?
No, RedmiBook Pro models only implement zonal backlight (the entire key block glows in one color). RGB-keyboard.
Why does the lighting automatically turn off after 30 seconds?
This is power saving mode. Turn it off at MIUI Control Center β†’ Battery β†’ Additional settings or set the timer to Never.
Can I control the backlight via a smartphone (Mi Home app)?
No, the Mi Home app doesn't support laptop management, but use MIUI Control Center or hotkeys.
The backlight works, but some keys don't get highlighted. What do we do?
It could be a mechanical problem (damaged LEDs under the keys) or a firmware failure. Try updating the keyboard driver. If it doesn't work, contact the service.
How to turn off the light completely so that it does not turn on accidentally?
Go to MIUI Control Center β†’ Keyboard illumination and deactivate the slider. You can also turn off the function in the BIOS (Advanced tab).