Hi Grizz, As other users mentioned already, there are 2 wires coming from heac fan, fan power and RGB. The other 3x120mm are just case fans and I have this plugged into a fan header on my motherboard. ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. This gets my fans to spin … Plug that to the PSU and the 3 fans spin without problem. I just purchased the H500 case the two front fans spin properly but i have two male 4 pin connectors for the rgb and I'me not … If your CPU fan is not spinning, then it is a matter of serious concern because if your CPU heatsink fan suddenly stops spinning, then it will lead to overheating of the CPU. Building a modern desktop PC is surprisingly easy, thanks to modular parts and a lot of solid engineering. The fan can get clogged with dust and lint hence preventing it from spinning. Nov. 20, 2018, 2:57 a.m. The one on the case interior would be pushing air through the radiator and the one between the … The fan is plugged into a controller that controls the lights and fan speed. rear, for good air crossflow to keep the inner works cool. Not every motherboard will have all these options—some simplify it more than others—but most will follow this general pattern. Basically, this allows you to say “Keep my fan at X speed until the CPU reaches Y degrees—then intelligently ramp up the fan to cool it down.” The hotter your CPU gets, the faster your fan will spin. 1. If the fan doesn't need to spin, it won't. Everything is connected correctly, but strangely enough, the fans don't spin up when the computer starts or wakes from sleep. When looking at our fans, the Front or Intake side of the fan will always be the side that has the Cooler Master Logo in the center of the blades. Installing a 3 Pin fan to the motherboard: Please Note: You can connect a 3 Pin Fan to a 3 Pin or 4 Pin header on the motherboard. Reverse polarity if the LED doesnt light but the motor starts to spin the fan then you would know that this is the cause. They normally always start spinning when i … If the CPU rad is in the rear, the top fan will be open. It’s often explained as “LEGO for adults.” But managing the air cooling system within a PC is considerably more complex. The wires going into the fan can also get in the way of the fan blades and prevent it from spinning (these fans don’t have a lot of torque). That is the junkiest case on here, just about. I would get 2 fans, install then in a push pull configuration. The fan will function normally no matter type of fan header is used. Call CP, they will replace that fan under warranty. The fan connector will have two guides (1) and these will need to line up with the tab (2) that is on the motherboard fan header. If you have 2 front fans, you MUST have a 3rd, pref. We’re talking about physics, thermodynamics, all sorts of fun stuff. Have you … Also, the "FX" cpu tend to run real hot. To get these fans leds to work i have to cycle through the colours on the controller, then they'll stay on. The Rear or Exhaust side (the side that the air comes out of) of our fans will always be the side that houses the fan motor. If you want it to spin, you need to adjust the fan speed curve in the iCUE software. Page 1 of 2 - Case fans not spinning - posted in Internal Hardware: When i am using my computer, my case fans are not spinning at all. 2. I would not run one with a single fan on a 120mm radiator. If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. 2 years ago. But the front panel fans do not register as fans with the BIOS. RGB works fine, and if I nudge the fan blades manually, they spin up fine. This is my first case with RGB. 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