How to Turn On Keyboard Backlight

Keyboard Light Not Working? Here’s How to Turn On Keyboard Backlight on Any Laptop

It’s late. The lights are dim. You’re trying to type… and suddenly the keys feel invisible.

If you’re searching for how to turn on keyboard backlight, you’re probably stuck in that exact moment. The good news? In most cases, it takes just one key combo to fix it.

A keyboard backlight is the light underneath your keys that helps you type comfortably in low-light conditions. It’s common on modern laptops — especially premium and gaming models. But here’s the catch: every brand enables it a little differently.

Some use a simple Fn shortcut.
Others require BIOS settings.
MacBooks handle it in their own way.

In this guide, you’ll learn:

How to turn on the keyboard light on Windows laptops
How to enable backlit keyboard on MacBook
Brand-specific shortcuts (HP, Dell, Lenovo, ASUS, Acer)
What to do if your keyboard light isn’t working

By the end, you’ll know exactly how to activate backlit keyboard settings on your device — without guessing.

Let’s start by understanding what a backlit keyboard actually is — and how to check if your laptop even supports it.

What Is a Backlit Keyboard?

A backlit keyboard is a keyboard with lights underneath the keys. These lights make the letters visible in low light or dark rooms.

Simple. Helpful. Very common on modern laptops.

How It Works

Small LED lights sit under the keys. When you turn on the keyboard light, those LEDs illuminate the key symbols.

You can usually:

Turn it on or off
Adjust brightness
Change colors (on gaming laptops)

Types of Keyboard Lighting

Most laptops use one of these:

Single-Color Backlight
Usually white. Basic on/off or 2 brightness levels.
Adjustable Brightness Backlight
Lets you increase or decrease light intensity.
RGB Keyboard Lighting
Multiple colors and effects. Common on gaming laptops.

How to Check If Your Laptop Supports It

Before trying to enable backlit keyboard settings, confirm your laptop has the feature:

Look for a keyboard icon with light rays on the F-keys
Check your laptop’s official specifications
Look in BIOS for “Keyboard Backlight” or “Illumination”

No icon + no mention in specs? It likely doesn’t support it.

How to Turn On Keyboard Backlight (Quick Methods That Work on Most Laptops)

If your laptop supports it, turning on the keyboard light usually takes 5 seconds.

In most cases, you don’t need to open settings or BIOS. A simple key combination does the job.

Let’s start with the most common method.

Using Keyboard Shortcut (Most Common Way)

Almost every laptop brand uses a Function (Fn) key combination to enable the backlit keyboard.

Step 1: Find the Backlight Key

Look at the top row of your keyboard (F1–F12).
Search for a small keyboard icon with light rays shining upward.

That’s your backlight key.

It’s commonly found on:

F3
F4
F5
F7
F9
F11
Or sometimes the Spacebar

Step 2: Press the Correct Combination

Now press:

Fn + Backlight Key

For example:

Fn + F5
Fn + F9
Fn + Spacebar

If nothing happens, try pressing the backlight key alone (some laptops don’t require Fn).

Each press usually cycles through:

Off
Low brightness
High brightness

Quick Brand Variations (Short Reference)

Here’s how some popular brands handle it:

HP → Fn + F5 / F9 / F11
Dell → Fn + F5 / F6 / F10
Lenovo → Fn + Spacebar
ASUS → Fn + F7
Acer → Fn + F9

The exact key depends on your model, but the icon is the easiest way to identify it.

Pro Tip:
If you don’t see any keyboard light icon on the function keys, your laptop may not have a backlit keyboard.

How to Enable Backlit Keyboard on Windows Laptops

How to Enable Backlit Keyboard on Windows Laptops

On Windows laptops, keyboard lighting is usually controlled by the manufacturer — not directly from Windows settings.

If the quick shortcut didn’t work, here are the proper ways to enable the keyboard light.

Method 1: Using Keyboard Shortcut

This is still the most reliable method on Windows devices.

Steps:

Look for the keyboard backlight icon on the top row (F1–F12).
Press Fn + the backlight key.
Keep pressing to cycle through brightness levels.

Some laptops don’t require the Fn key — try pressing the key alone if needed.

Method 2: Using Windows Mobility Center

Some Windows laptops (especially older Dell, HP, and Lenovo models) allow you to control keyboard lighting from the Windows Mobility Center.

How to Open It:

Press Windows key + X
Click Mobility Center

Or:

Search for Mobility Center in the Windows search bar.

When This Option Appears

You’ll see a “Keyboard Backlighting” section only if your laptop supports backlighting, or the manufacturer has enabled Mobility Center support.

If available, you can:

Turn the keyboard light on/off
Adjust brightness
Set timeout duration

If you don’t see a keyboard backlight option here, your laptop likely controls it through BIOS or manufacturer software instead.

Method 3: From BIOS / UEFI Settings

If shortcuts and Mobility Center don’t work, the feature may be disabled in BIOS.

How to Access BIOS:

Restart your laptop.
As soon as it starts booting, repeatedly press:
F2, F10, Delete, or Esc
(The correct key depends on your brand.)

You’ll enter the BIOS/UEFI setup screen.

Where to Find Keyboard Backlight Settings

Inside BIOS, look under sections like:

Advanced
System Configuration
Built-in Device Options
Keyboard Settings

Search for options such as Keyboard Illumination, Keyboard Backlight, or Backlight Timeout.

Enable it or adjust brightness/time settings.

Save & Exit

After enabling the setting:

Press F10 (usually the Save & Exit shortcut)
Confirm changes
Let the laptop restart

Once Windows loads, try turning on the keyboard light again using the shortcut key.

If none of these methods work, either:

The laptop doesn’t support backlighting, or
You may need a driver or BIOS update.

How to Turn On Keyboard Light on MacBook

How to Turn On Keyboard Light on MacBook

If you’re using a MacBook, enabling the keyboard backlight is usually very simple. Apple builds the controls directly into macOS.

Here are the three main ways to turn on the keyboard light.

Using Keyboard Brightness Keys

On many MacBook models, you’ll see keyboard brightness icons on the function keys.

Typically:

F6 → Increase keyboard brightness
F5 → Decrease keyboard brightness

To turn on the keyboard light:

Press the increase brightness key (F6).
Keep pressing to raise brightness levels.

If your function keys control media instead, press:

Fn + F6

Newer MacBooks may not show dedicated brightness keys. In that case, use Control Center instead.

Using Control Center (macOS Big Sur and Later)

If your Mac doesn’t have physical brightness keys:

Click the Control Center icon in the top-right corner (near Wi-Fi and battery).
Click Keyboard Brightness.
Move the slider to increase brightness.

If you don’t see the Keyboard Brightness option, your Mac model may not support backlighting — or it may need to be enabled in settings.

Adjust Automatically in Low Light

MacBooks can automatically turn on the keyboard backlight when the room gets dark.

To check or enable this:

Click the Apple menu.
Open System Settings (or System Preferences on older macOS versions).
Go to Keyboard.
Look for:
– “Adjust keyboard brightness in low light”
– Backlight timeout settings

Enable the automatic adjustment option if available.

You can also choose how long the keyboard light stays on after inactivity.

Troubleshooting: If the Keys Don’t Respond

If pressing brightness keys does nothing:

Make sure your Mac actually supports a backlit keyboard.
Check System Settings → Keyboard to confirm the brightness slider is available.
Restart your Mac.
Ensure you’re not in a very bright environment (Mac may disable backlight automatically).

If the brightness slider is missing entirely, your specific MacBook model may not include keyboard backlighting.

Brand-Specific Guide: How to Activate Backlit Keyboard

Different brands use slightly different shortcuts. If you’re unsure which key to press, this quick brand guide will help you turn on the keyboard light fast.

HP Laptops

Common Shortcut Keys

Most HP laptops use one of these combinations:

Fn + F5
Fn + F9
Fn + F11

Look for the keyboard icon with light rays on the key.

Press once to turn it on.
Press again to increase brightness.
Press again to turn it off.

BIOS Method (If Shortcut Doesn’t Work)

Restart your laptop.
Press F10 repeatedly to enter BIOS.
Go to Advanced → Built-in Device Options.
Look for Backlit Keyboard or Keyboard Illumination.
Enable it.
Press F10 to Save & Exit.

Dell Laptops

Common Shortcut Keys

Most HP laptops use one of these combinations:

Fn + F5
Fn + F6
Fn + F10

Some Dell models also allow pressing the key without Fn.

Each press cycles through:
Off → Dim → Bright

BIOS Method (If Shortcut Doesn’t Work)

Restart your laptop.
Press F2 to enter BIOS.
Go to System Configuration.
Select Keyboard Illumination.
Enable it or adjust timeout settings.
Save changes and exit.

Lenovo Laptops

Common Shortcut Keys

On many Lenovo laptops, especially ThinkPads:

Fn + Spacebar

Press once → Low
Press again → High
Press again → Off

This is one of the simplest implementations.

Lenovo Vantage Software

Open Lenovo Vantage.
Go to Device Settings.
Look for Keyboard Backlight options.
Adjust brightness or timeout.

ASUS Laptops

Common Shortcut Keys

Most ASUS laptops use:

Fn + F7

Press multiple times to adjust brightness levels.

Armoury Crate (Gaming Models)

On gaming laptops like ASUS ROG:

Open Armoury Crate.
Go to Device → Lighting.
Customize brightness, color, and effects.

RGB models offer more advanced controls than standard laptops.

Acer Laptops

Common Shortcut Keys

Most Acer laptops use:

Fn + F9
Or Fn + F8

Look for the backlight icon on the key.

Press repeatedly to cycle through brightness levels.

If nothing happens:

Check BIOS settings.
Make sure the model supports backlighting.

How to Enable Keyboard Light on Gaming Laptops (RGB Models)

Gaming laptops are a different beast.

If you’re using a gaming machine, your keyboard probably has RGB lighting — which means more than just on/off. You can change colors, effects, brightness, and even lighting zones.

In most cases, you’ll need the brand’s dedicated software to fully control it.

Using Dedicated Software

Here’s how major gaming brands handle keyboard lighting:

Armoury Crate (ASUS ROG / TUF)

Open Armoury Crate.
Go to Device → Lighting.
Choose:
– Static color
– Breathing effect
– Color cycle
– Aura Sync (on supported models)
Adjust brightness using the slider.

Some ASUS models also allow basic brightness control using Fn + F7, but full RGB customization requires Armoury Crate.

MSI Center (MSI Gaming Laptops)

Open MSI Center.
Go to Features → Mystic Light.
Select your keyboard.
Choose color, lighting effects, and brightness level.

MSI keyboards often support:

Per-key RGB
Zone-based lighting
Custom profiles for games

Alienware Command Center (Alienware Laptops)

Launch Alienware Command Center.
Go to FX Lighting.
Select the keyboard.
Customize:
– Colors
– Zones
– Brightness
– Effects

You can even create lighting profiles tied to specific games.

Razer Synapse (Razer Laptops)

Open Razer Synapse.
Click your device.
Go to Lighting.
Choose:
– Static color
– Wave
– Reactive
– Custom per-key lighting

Razer devices usually offer advanced brightness and effect controls.

Customizing Colors and Brightness

Most gaming laptops let you:

Change single or multiple colors
Adjust brightness levels
Create lighting effects (breathing, wave, ripple)
Set per-key lighting (on high-end models)
Save custom profiles

If your RGB keyboard isn’t lighting up:

Make sure the control software is installed and updated.
Check that lighting isn’t disabled inside the app.
Try using the Fn shortcut to wake the lighting system.

Gaming keyboards offer far more control than standard backlit keyboards — but they also rely heavily on software.

Keyboard Backlight Not Working? (Troubleshooting Guide)

Pressed the shortcut… and nothing happened?

Don’t worry. In most cases, it’s a small setting — not a hardware failure.

Here’s how to fix it step by step.

1. Check If Your Laptop Supports It

This sounds basic. But it’s the most common issue.

Make sure your exact laptop model includes:

“Backlit keyboard”
“Keyboard illumination”
“RGB keyboard”

Check:

The official product page
Your invoice/spec sheet
Function keys for a backlight icon

No icon + no mention in specs?
Your laptop probably doesn’t support it.

2. Update Keyboard Drivers

Outdated drivers can sometimes block keyboard features.

How to update:

Press Windows + X
Click Device Manager
Expand Keyboards
Right-click your keyboard
Click Update driver

You can also visit your laptop manufacturer’s website and download the latest drivers manually.

If you’re using a gaming laptop, update the lighting control software too.

3. Enable in BIOS

Sometimes the keyboard light is disabled at the firmware level.

To check:

Restart your laptop.
Press F2, F10, Del, or Esc during startup (varies by brand).
Go to:
– Advanced
– System Configuration
– Built-in Device Options

Look for:

Keyboard Backlight
Keyboard Illumination
Backlight Timeout

Enable it, then Save & Exit (usually F10).

4. Disable Battery Saver Mode

Some laptops automatically turn off the keyboard backlight when:

Battery is low
Power Saver mode is active

To check in Windows:

Go to Settings → System → Power & Battery
Turn off Battery Saver

Plugging in your charger can also restore keyboard lighting.

5. Check Ambient Light Sensor Settings

Certain laptops (especially premium models and MacBooks) adjust keyboard brightness automatically.

If you’re in a very bright room, the keyboard light may stay off.

Try:

Moving to a darker area
Manually increasing brightness from settings
Disabling automatic brightness adjustment

6 Restart Your Laptop

Yes, the classic fix.

A simple restart can:

Reset keyboard drivers
Re-enable lighting services
Fix temporary glitches

If none of these steps work, and your laptop definitely supports a backlit keyboard, you may need a BIOS update, or a hardware check at a service center.

Why Some Laptops Don’t Have Keyboard Backlight

If you’ve tried everything and still can’t find a way to turn on the keyboard light, there’s a simple possibility:

Your laptop may not have a backlit keyboard.

Here’s why that happens.

1. Budget Models Skip It

Entry-level and budget laptops often remove keyboard lighting to reduce cost. It’s considered a premium feature.

Even within the same laptop series, some variants include backlighting while others don’t.

2. Regional Variants Differ

Some manufacturers release different configurations depending on the country or retailer.

One version may include a backlit keyboard.
Another version — same model name — may not.

Always check your exact model number.

3. Hardware Limitation

Backlighting isn’t something you can enable through software if the hardware isn’t there.

If:

There’s no backlight icon on function keys
No BIOS setting
No mention in official specs

Then the keyboard likely doesn’t include LED lighting at all.

Can You Add Backlight to a Non-Backlit Keyboard?

Short answer: Not practically.

Replacing the entire keyboard with a backlit version is usually:

Expensive
Complicated
Not supported by most manufacturers

If keyboard lighting is important to you, the realistic solution is using an external backlit keyboard, or choosing a laptop that includes the feature.

Final Thoughts

Turning on your keyboard backlight is usually simple:

Find the key with the light icon.
Press Fn + that key.
Adjust brightness as needed.

If that doesn’t work, check BIOS, power settings, or manufacturer software.

The key thing?
Every laptop handles it slightly differently — but once you know where to look, it’s easy.

Now you know exactly how to turn on keyboard backlight, how to enable keyboard light on Windows and Mac, and what to do if it’s not working.

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