How to adjust lighting brightness on a Razer keyboard

Updated: 09-Feb-2026 | Answer ID: 877

This answer will show you how to adjust keyboard lighting brightness.

End of Support Notice

Razer Synapse 3: Updates and cloud services are no longer supported, effective February 3, 2026.

Razer Synapse 2.0: Cloud‑related features are no longer supported, effective October 28, 2025.

For more details, including a guide on how to migrate profiles, visit the links below.

Razer keyboard lighting can be controlled using a software compatible with your device. Install Razer Synapse first before proceeding to the steps outlined below. See How to install or upgrade Razer Synapse for details.

Select Razer Synapse version

Razer Synapse 4

  1. Launch Razer Synapse 4.

  2. Go to "LIGHTING".

  3. Move the slider under BRIGHTNESS to your desired brightness level.

    Adjust keyboard brightness by moving the slider under Brightness

Razer Synapse 3

  1. Launch Razer Synapse 3.

  2. Go to Keyboard > Lighting.

  3. Move the slider under BRIGHTNESS to your desired brightness level.

    Adjust keyboard brightness by moving the slider under Brightness

Razer Synapse 2

  1. Launch Razer Synapse 2.

  2. Go to Keyboard > Lighting.

  3. Move the slider under KEYBOARD BRIGHTNESS, to your desired brightness level.

    Adjust the brightness by moving the slider under Keyboard Brightness

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