La RGB lighting has crept into almost every gaming PCFans, RAM, graphics card, keyboard, mouse, case, heatsink… everything looks like a miniature disco. At first it's funny, but when you leave your computer on overnight in your room, or have a work meeting with your webcam focused on the machine, those lights can become quite annoying.
The good news is that Yes, it is possible to turn off or control virtually all of the PC's RGB lights.However, there's no single, standard system. Depending on the component and manufacturer, you might have to use Windows 11, specific programs, the BIOS, or even unplug cables the old-fashioned way. In this guide, we'll review all the options.
What is PC RGB and why can it be so annoying?
Years ago the “modding"It used to be the work of four enthusiasts who cut, painted, and customized their towers with neon lights and cold cathode ray tubes with hardly any oversight. Nowadays, however, Almost every component comes with integrated RGB or A-RGB LEDs and a software layer to manage them down to the millimeter. From color to effects and intensity.
Keyboards, mice, fans, heatsinks, cases, motherboards, graphics cards, RAM, even some SSDs and power supplies… Everything can light up, blink, and change color on a loop.Visually it can look really cool, especially if you sync it, but it can also be distracting if you're playing in the dark, watching a series in bed, or working with your PC on at night.
Furthermore, Not all lighting systems are controlled the same way.Some depend on the motherboard, others on their own controller, others use the manufacturer's software, and others have no software and only allow physical shutdown. Therefore, to turn off the lights, you usually have to go component by component, checking how it is connected and what control options it offers.
You should also keep in mind that The RGB power supply is usually separate from the rest of the electronicsIn other words, a fan or heatsink can continue to function even if you unplug the lighting cable. This allows you to turn off only the lights without losing thermal performance, as long as you know exactly what to unplug.

Turn off RGB lighting from Windows 11
With Windows 11, Microsoft has added a very interesting option: native dynamic lighting controlThis allows you to control compatible RGB lights directly from the system, without having to install an application for each brand you use… provided the manufacturers have supported this feature.
To access this panel, go to Settings > Personalization > Dynamic LightingThere you'll see a list of compatible devices (usually keyboards, mice, and some modern peripherals) and you can choose colors, effects, and, what interests us in this case, the brightness level.
If you slide the control Brightness to the minimumThe lights on those devices will turn off completely. It's a quick way to disable backlighting on the keyboard and mouse.
The big drawback is that This function is not universalMany internal PC components—such as fans connected to their own controllers, devices from Corsair, Razer, and similar brands, or some LEDs integrated into the motherboard—may not appear in Dynamic Lighting. In those cases, You will have to use each manufacturer's software. or to the physical controls if it has them.
Control and turn off RGB using each manufacturer's software
In most modern gaming setups, the primary way to control the lighting is by installing the official program of each brandThese software programs typically detect all compatible components and allow you to change colors, create effects, synchronize between multiple devices, and of course, turn off the lights completely.
Among the most common ones you will find tools such as Corsair iCUE, Razer Synapse, Logitech G Hub, ASUS Armory CrateMSI Center (with Mystic Light), Gigabyte RGB Fusion, and ASRock Polychrome RGB are among the many retailers. Each one specializes in its own peripherals and components: keyboards, mice, fans, memory, AIO liquid coolers, custom graphics cards, and more.
Within these programs, you will almost always have the option to choose an “OFF” mode or reduce the brightness to the minimumYou can also create one profile with everything turned off and another with your favorite animations, and switch between them with a single click or keyboard shortcut. In iCUE, for example, it's very convenient to set up a "Work" profile with no lights and another "Gaming" profile with everything on.
An important detail is that many of these programs They save the settings directly to the device itself.This means that once you've disabled RGB and applied the changes, you can uninstall the software if you don't want it running in the background, and the component will still remember to stay turned off.
If your fans, LED strips, or RGB RAM are connected directly to a motherboard A-RGB or RGB connectorYou might need to use the motherboard's own software (Aura Sync, Mystic Light, RGB Fusion, Polychrome, etc.) instead of the fan manufacturer's. Sometimes both systems can work together, but it's most reliable to let the motherboard control the lighting.

Turn off RGB from the motherboard BIOS or UEFI
On almost all current motherboards, the BIOS / UEFI It includes a section for Turn off the integrated lighting and the lighting that synchronizes with itThis is especially useful for disabling logos, decorative lines, backlit areas, and in many cases, also RAM and strips connected directly to the RGB headers.
To enter the BIOS, you usually press the key Press Delete (Del) right when turning on the PCAlthough, depending on the device, F2 or other keys may also work. Once inside, each manufacturer has its own menu for controlling the LEDs, but it's usually quite easy to find. Depending on the motherboard type:
- ASUS: You'll find a very visible option called “AURA ON/OFF” in the upper right corner of the BIOS. Pressing it opens a menu with several options to turn on, turn off, or adjust the behavior of all the motherboard's LEDs and synchronized devices. In older BIOS versions, you might have to look for something like "ROG Effects" or use the internal options search function.
- Gigabyte. The normal thing to do is go to the menu “Peripherals” and enter “RGB Fusion”There you'll see all the lighting zones and devices managed by the motherboard, with the option to turn them OFF. Again, depending on the model, you'll be able to control RAM, LED strips, and fans connected to their headers.
- MSIYou need to look for the option “RGB Light Control” within the BIOS, which will allow you to disable or modify the system LEDs. There is also usually an option called “Indication LED Control” to turn off some functional LEDs (such as those that indicate errors or activity), although it is advisable to leave these on unless they are visually unbearable.
- ASRockThe most common route is to go to the menu "Advanced" and locate the section “RGB LED”From there you can completely turn off the motherboard's lighting and any lighting that depends on it. Once you've made the changes, remember to save and exit (F10 in most BIOS) for them to take effect upon restarting.
RAM, LED strips, and other synchronized devices
In addition to the motherboard itself, many components are They synchronize directly with the motherboard's RGB/A-RGB connectorsThis is a typical case of LED strips, fans with independent lighting cables, RGB RAM and some front boxes that connect to the header.
In these cases, if you have turned off the lighting from the BIOS or from the motherboard's official software (Aura, Mystic Light, RGB Fusion, Polychrome…), it is likely that These associated elements should also be turned offIf you see that the memories are still celebrating their light show, it may be that they have proprietary software from the manufacturer —like iCUE in Corsair RAM— and that they are ignoring global settings.
When this happens, what you will have to do is Install the specific program for the RAM or deviceDeactivate the lighting from there, and if it's saved in the module itself, you won't need that software running in the background anymore.
Remember that if you have everything well planned from the equipment assembly onwards, you can try unify lighting into a single ecosystemFor example, building a PC with almost all Corsair components to manage everything with iCUE, or opting for devices compatible with your motherboard's RGB system to avoid having four different programs.

Graphics card: integrated lights and limitations
The mid-range and high-end gaming graphics cards They usually come with some type of lighting: side logos, decorative strips, rings on the fans, etc. The control of these LEDs usually depends directly on the graphics assembler (ASUS, MSI, Gigabyte, EVGA, etc.), not NVIDIA or AMD.
To turn off the graphics card's RGB lighting, you will need to download the manufacturer-specific softwareSome examples: ASUS uses Armoury Crate or its older Aura utilities, MSI relies on MSI Center/Mystic Light, Gigabyte uses RGB Fusion, and so on. You should normally find the recommended software on your model's official website, under "Support."
In many cases you will have the opportunity to Turn the lighting OFF, change the color, or reduce the brightnessHowever, it's worth noting that some graphics cards have a different power supply system. Use the same line for fans and LEDsIn other words, it's not possible to turn off these fans without affecting the cooling system. On these models, you simply won't see a complete shutdown option in the software because it's not technically feasible.
If your graphics card doesn't have its own software or options in the BIOS, and there's no way to turn it off via software, your only option will be... Accept the enlightenment or consider a change of model If you find it truly unbearable, then tampering with the internal wiring of a graphics card is strongly discouraged. Furthermore, it may void the warranty.
Heatsinks, liquid cooling, and RGB fans
The air coolers and AIO liquid coolers They are another important source of lighting: fans with RGB rings, illuminated CPU blocks, pumps with displays or glowing logos, etc. The method for turning them off depends on how the RGB is connected and whether or not it includes a dedicated controller.
In many AIO kits and fan packs, the manufacturer includes a own controller This is where all the lighting cables connect. This controller then connects to the motherboard's internal USB or a simple SATA power connector, and is managed by the manufacturer's software (for example, iCUE for Corsair, CAM for NZXT, etc.). From that program you can Disable the lighting on all fans and the CPU block at once.
In other configurations, the fans bring two cables: uone for power/rotation and another for RGBThe fan control cable usually connects to the motherboard's fan header (CPU_FAN, SYS_FAN, etc.), and the lighting cable connects to an RGB/A-RGB header on the motherboard or to a controller. If you want to keep the fan spinning but without the light, simply... disconnect only the lighting cable or turn off that channel from the corresponding software.
When the fans or the block are controlled directly from the motherboard, as we mentioned before, you will be able to manage its lighting with the motherboard's own software or from the BIOSIt's the same logic as with LED strips and synchronized RAM: if the header is off, everything connected to it will be in the dark.
PC case, physical buttons and remote controls
Many gaming towers already include Integrated lighting on the front, top, or interior stripsindependent of the fans. In those cases, it's very common for the chassis itself to include one. Dedicated button to control the LEDs, usually labeled as “LED” or by reusing the “Reset” button.
When you press that button, they usually leave changing the lighting modes (fixed color, color cycle, breathing effect, rainbow, etc.), and if you hold it down for a few seconds, most boxes allow Turn off all the lights completely. associated with that internal controller.
In more advanced models, such as some NZXT boxes (those ending in "i", for example), the lighting is It is managed using proprietary software such as NZXT CAM.In that case, the box functions almost like another RGB component of the system, and you'll have to enter the program to change effects or deactivate the LEDs.
There are also lighting boxes and kits that include a remote controlThese lights typically use infrared or radio frequency, and have buttons for effect, color, and power. If, when you turn on your PC, strips light up that aren't controlled by Windows or the BIOS, check if one was included among the accessories. a small remote control or receiver glued to the inside of the chassis.
Ultimately, if you're clear on which part of the lighting depends on the case and you don't want to use its system, you can always resort to the "brute force" option of Disconnect the RGB cables from the hub or power supply, leaving the chassis without light but fully functional in terms of ventilation.
Keyboard, mouse and other peripherals with RGB
Gaming peripherals are one of the kings of RGB: Mechanical keyboards with each key illuminated, mice with light zones, mouse pads, headphone stands… Almost anything that connects via USB can have an LED hidden somewhere.
On keyboards, it is most common to find some key combination with Fn to control the lighting without software. You'll often see an icon related to a light bulb, a sun, or an RGB symbol on the function keys (F1-F12), the arrow keys, or the Insert/Home/Delete keypad. Trying combinations like Fn + F5/F6 or Fn + arrows You will usually find the one that raises/lowers the brightness or turns the lights off.
If your keyboard allows advanced configuration, it probably also has own software from the manufacturer (Logitech G Hub, Razer Synapse, SteelSeries GG, Corsair iCUE, etc.). From there you can create profiles, set effects by zone, and select a "total shutdown" mode. In many cases, if the profile is saved to the internal memory, The keyboard will remember your choice even if you connect it to another PC. without the program installed.
In gaming mice, although some include button combinations to toggle lighting modes, you'll most likely have to rely on the official softwareBy finding the model number on the bottom of the mouse and typing it into the manufacturer's website, you'll find the corresponding software with a lighting section. There you can turn the LED OFF without affecting DPI or other settings.
Physically disconnect the lighting from inside the PC
When none of the above options work, or when a certain component It does not offer any type of RGB control via software.The most direct solution is to proceed "the old-fashioned way": disconnect the cables that power the lights from inside the computer.
Most components with RGB lighting have a separate power cable for the LEDs: 3-pin A-RGB connector, 4-pin RGB connector, SATA power, Molex or similarLocating the correct cable and unplugging it will stop the lighting from working. The rest of the device will continue to function if its main power supply is through a different cable.
In addition, it is advisable that you static electricity discharges By touching any unpainted metal part of the chassis, or by using an anti-static wrist strap if you have one. This reduces the risk of damaging sensitive components like the motherboard, graphics card, or RAM with ESD discharges while moving cables.
Once inside, carefully identify which cables go to the lighting. If you're not sure, look for the component or box manualwhere connector diagrams are usually found. Always use appropriate tools, and non-metallic ones whenever possible. Also, avoid pulling the wires directly. The correct way is to squeeze the connector tab and pull from the connector body.
Ultimately, if you take the time to examine each component and understand where it gets its power for the LEDs, you'll likely be able to make your gaming PC, so loaded with stock RGB lighting, look its best. completely dark when you need it, whether with a couple of clicks in software, a quick adjustment in the BIOS or by disconnecting a simple, well-identified cable.