RGB lighting has become a popular feature in modern gaming PCs and high-performance desktops. From glowing fans and memory modules to motherboards and graphics cards, RGB can make a build look striking and custom. However, not everyone wants their computer lighting up like a disco. Whether you find it distracting, want to reduce power usage or simply prefer a more subtle look, there are several ways to turn off RGB lighting on your PC.
This guide explains how to disable RGB lighting through software, BIOS settings or hardware switches depending on the components in your system.
Understanding Where the RGB Comes From
Before turning anything off, it helps to know what is producing the RGB lighting in your PC. Common components that feature RGB include case fans, memory (RAM), the motherboard, graphics cards and RGB strips. Some peripherals like keyboards and mice may also be lit, but these are usually managed separately.
RGB lighting is usually controlled by either the motherboard or by dedicated controllers that come with specific hardware. If your PC has RGB components from different manufacturers, you may need more than one tool or method to turn everything off.
Using Manufacturer Software
The easiest way to control RGB lighting on most systems is through the manufacturer’s software. Brands like ASUS, MSI, Gigabyte and ASRock all offer their own lighting control apps.
For ASUS users, Armoury Crate is the most common utility. MSI users can use Mystic Light. Gigabyte offers RGB Fusion and ASRock provides Polychrome RGB. These applications allow you to adjust lighting effects, colours and brightness and often include an option to turn RGB off completely.
Once installed, open the software and look for the lighting settings. Most programs will have a toggle switch or a preset that disables all lighting. You can usually apply this setting instantly without restarting the PC.
Disabling RGB in the BIOS
If you do not want software running in the background or prefer a permanent solution, the BIOS is another place to turn off RGB lighting. Most modern motherboards include an RGB control setting in the BIOS menu.
To access the BIOS, restart your PC and press the appropriate key during startup, usually Delete or F2. Once inside, navigate to the Advanced or Power settings menu. Look for options labelled RGB LED, LED Lighting or similar.
You may find the option to disable lighting when the system is on, in sleep mode or when powered off. Adjust these settings to your preference then save and exit the BIOS.
Turning Off RGB with a Hardware Controller
Some PC cases or RGB kits include a physical controller or remote. These can be used to toggle lighting modes or turn everything off. If your case has a built-in RGB button, pressing and holding it for a few seconds may switch the lights off.
This method is useful if you do not want to install additional software or enter the BIOS. However, it only works if your RGB components are connected through a hub or controller that responds to that button.
Disconnecting or Unplugging RGB Cables
For those who prefer a manual solution, unplugging the RGB cables from your components or motherboard headers will physically cut the power to the lights. This requires opening your case and locating the relevant connectors.
RGB headers on a motherboard are usually labelled RGB, ARGB or LED and use 3-pin or 4-pin connectors. If you unplug the cable powering a fan or LED strip, the lighting will switch off. Be cautious when doing this and make sure the PC is powered down and unplugged before handling internal components.
Managing Peripheral RGB
If your keyboard, mouse or headset has RGB lighting, these devices will typically use their own software. Logitech uses G HUB, Razer uses Synapse, Corsair has iCUE and SteelSeries uses Engine. Open the appropriate software and disable lighting from there.
These settings are often saved to the device itself, meaning the lighting stays off even after rebooting or moving the device to a different PC.
Final Thoughts
RGB lighting may be visually appealing for some users, but not everyone wants or needs it. Whether you prefer a darker working environment or just want to keep your system simple, turning off RGB is straightforward once you identify the source. Using software, BIOS controls or hardware solutions, you can quickly and safely disable lighting across your entire setup.