Most PC fans change color through software, a cable connector, or both
The method depends on what kind of fans you have. RGB fans (red-green-blue) have tiny LED lights inside that mix colors, and they connect to either your motherboard or a separate controller box. Some fans plug into a standard power connector with no color control at all. Before you start, look at the cables coming from your fans—if you see a thin cable with a small connector in addition to the power cable, your fans are RGB-capable.
The fastest way to find out what you have is to check your motherboard manual or the fan packaging. Look for terms like "RGB," "addressable RGB" (also called ARGB), or "PWM." If your fans came with software or a controller box, you have color control. If they only have a power cable, they are fixed-color or non-RGB fans, and color cannot be changed.
Key Takeaways
- RGB fans connect to your motherboard or a separate controller with a thin cable in addition to power, while non-RGB fans have only a power cable and cannot change color.
- Most RGB fans are controlled through motherboard software (like ASUS Aura or MSI Dragon Center), a controller box that came with the fans, or a remote control.
- Addressable RGB (ARGB) fans use a three-pin connector and allow each LED to be a different color; standard RGB fans use a four-pin connector and are all one color at a time.
- If your fans are not recognized by software, check that the RGB cable is fully seated in the motherboard header and that you have installed the correct software for your motherboard brand.
- Some fans ship with color-changing disabled by default, so check the software settings or controller for a mode selection before assuming the fans are broken.
Identify which type of RGB connection your fans use
Open your PC case and look at the cables attached to each fan. Every fan has a power cable—usually a larger connector with two or three pins. RGB fans have a second, thinner cable with a small connector. Count the pins on that thin connector. If it has three pins, you have addressable RGB (ARGB). If it has four pins, you have standard RGB.
The difference matters because ARGB fans let you set each LED to a different color (useful for patterns), while standard RGB fans are all one color at a time. Both types work the same way from the user's perspective—you change colors through software or a controller—but they require different motherboard headers. If you plug an ARGB fan into a standard RGB header, the colors will not work correctly.
Write down which type you have and where the cable is plugged in. If it goes into the motherboard, note which header (usually labeled "RGB_Header" or "ARGB_Header" near the edge of the board). If it goes into a separate box, that is a controller, and you will use that box's software or remote instead.
Use motherboard software to change fan colors
If your RGB cable plugs directly into the motherboard, you control the fans through your motherboard manufacturer's software. ASUS boards use ASUS Aura, MSI boards use MSI Dragon Center, Gigabyte boards use RGB Fusion, and ASRock boards use ASRock Polychrome RGB. read the correct software from your motherboard manufacturer's website—search for your exact motherboard model.
Install the software and open it. Look for a section labeled "Lighting," "RGB," "Aura," or "Effects." You should see your fans listed by name or by the header they are plugged into. Click on the fan or header name to open the color picker. Most software lets you choose a solid color, a gradient, a breathing effect, or a rainbow cycle. Select the color or effect you want, then click "explore" or "Save."
If the software does not recognize your fans, the RGB cable may not be fully seated. Power off the PC, open the case, and push the thin RGB connector firmly into the motherboard header until you hear a small click. The connector should not move side to side. Power the PC back on and check the software again.
Control fans with a separate controller or remote
Some fan kits come with a small controller box instead of plugging into the motherboard. The RGB cables from your fans connect to this box, and the box has either a remote control, a USB cable to your PC, or both. If your fans came with a controller, check the box or manual for the software name—common ones are Corsair iCUE, NZXT CAM, Lian Li Uni Fan Hub, and Thermaltake TT RGB Plus.
If the controller has a remote, you can change colors without opening software at all. Press the power button to turn on the lights, then use the color buttons or mode buttons to cycle through preset colors and effects. The remote usually has a range of about 10 feet and works through the case.
If the controller connects via USB, read the software from the manufacturer's website, install it, and plug the controller into a USB port on your PC. Open the software and you will see the same color picker and effects menu as motherboard software. Some controllers let you set different colors for different fans in the same kit, while others set all fans to the same color.
Troubleshoot fans that are not changing color
If you have installed software but the colors are not changing, start by checking that the RGB cable is plugged in all the way. Power off, open the case, and reseat the connector by pushing it firmly into the header. Make sure you are plugging into the correct header type—ARGB fans go into ARGB headers, and RGB fans go into RGB headers. Plugging into the wrong one will not damage anything, but the colors will not work.
Next, check the software settings. Some fans ship with color-changing turned off by default, or set to a "static" mode that does not respond to software commands. Open the software, find the fan or header, and look for a dropdown menu or mode selector. Change it from "static" or "disabled" to "RGB mode," "software control," or "custom." Then try changing the color again.
If the software still does not see the fans, restart your PC. Sometimes the software needs to detect the hardware on startup. If that does not work, uninstall the software, restart, and reinstall it. Make sure you are using the latest version from the manufacturer's website, not an older version from the disc that came with the fans.
Set up color profiles and effects
Most RGB software lets you save multiple color profiles and switch between them. You might have one profile for gaming (bright red), one for work (cool blue), and one for sleep mode (dim purple). Open your motherboard or controller software and look for a "Profiles" or "Presets" section. Create a new profile, set the colors and effects you want, and save it with a name you will remember.
Common effects include solid color (one color, no change), breathing (color fades in and out), pulsing (quick on-off flashing), rainbow (cycles through the color spectrum), wave (color moves across the fans), and spectrum cycle (smooth color transitions). Some software lets you adjust the speed of these effects—slower speeds use less power and look more subtle, while faster speeds are more eye-catching.
If you want the fans to change color based on temperature, look for a "temperature sync" or "thermal" mode in the software. This links the color to your CPU or GPU temperature—cooler temps might be blue, and hotter temps might be red. This is useful for monitoring your system at a glance, though it requires the software to stay running in the background.
Keep your RGB software running or set it to start automatically
RGB colors only stay on if the software is running. If you close the software, the fans will either turn off or revert to a default color (usually white or the last color they were set to). To avoid this, set the software to start automatically when Windows boots. Open the software settings and look for "Launch on startup," "Run at boot," or "Autostart." Enable this option and the software will load in the background every time you turn on your PC.
Some software also has a "minimize to system tray" option, which keeps the software running but hides it from view. This is useful if you want the colors to stay on without the software window taking up space on your screen. Check the settings menu for this option.
Frequently Asked Questions
Can I use fans from different brands together and control them all in one software?
Usually not. Each brand has its own software and controller system, so mixing brands means you will need multiple software programs open. Some people use one brand for case fans and another for radiator fans, which requires running two different programs. If you want everything in one software, stick with one brand for all your RGB fans.
What if my motherboard does not have an RGB header?
You can still use RGB fans by connecting them to a separate controller box instead of the motherboard. Many RGB fan kits come with a controller for this reason. If your fans did not come with one, you can buy a standalone RGB controller online for $15 to $40, depending on how many fans it supports.
Do RGB fans use more power than regular fans?
The LED lights use a small amount of extra power, but not enough to matter for most systems. A typical RGB fan uses less than 1 watt for the lights. Your power supply will not struggle, and the impact on your electric bill is negligible.
Why are my fans showing the wrong colors?
This usually means the RGB cable is loose or plugged into the wrong header. Power off, reseat the cable, and make sure it is going into an RGB or ARGB header (not a regular fan header). If the cable is in the right place and the software still shows the wrong colors, try uninstalling and reinstalling the software.
Can I change fan colors without installing software?
Only if your fans came with a remote control or a physical button controller. Fans that plug into the motherboard require software to change colors. If you want to avoid software, buy fans that come with a remote or controller box.