RoqueTV Posted October 9, 2020 Share Posted October 9, 2020 Hi, I need assistance. I have 2 LL120's and a H100i Platinum SE V2. I have both fans connected to the rgb fan hub and commander pro. Both fans light up and spin. However, the ICUE software only recognizes 1 fan. Fan 2 does not appear in the list to control speeds. In Lightning setup I do have selected 2 LL120 fans. Under lightning channel I do see all 2 fans and can even go led by led. How can I have icue recognize fan 2 and also have icue be able to control speed of the fans??? I already tried: - reinstalling corsair icue - switch fan 2 from port 2 to 3. - switch it from auto to 4 pin (when I set it to 4 pin the fan shows up in the list with 0 rpm) but that all did not work. Link to comment Share on other sites More sharing options...
c-attack Posted October 9, 2020 Share Posted October 9, 2020 Take the fan that is not showing up and connect it to any free motherboard header. Does it register a speed in the BIOS? If the fan won't show up in any of the Commander Pro PWM ports or the BIOS, there is likely a problem with the fan. Exchange it with the vendor or contact Corsair Support for a replacement. You should also try plugging in the non-registered fan on port #1, that you know is working. Are you running the AIO fans from the Commander? Or is this 4 LL fans in total (2 AIO + 2 Case fans)? The Lighting system is separate from the fan motor control. If you tell the program you have 6 QL fans and you plug in 1 HD, it will show you 6 QL fans. Don't worry about the lighting right now. Link to comment Share on other sites More sharing options...
RoqueTV Posted October 9, 2020 Author Share Posted October 9, 2020 The fan was not showing up in the bios. I'm using 2 AIO + 2 case fans so 4 LL fans in total and 2 on the commander. I also tried plugging it on port 1 in the commander root and that didn't work. So that means I will have to replace my fan? Link to comment Share on other sites More sharing options...
c-attack Posted October 10, 2020 Share Posted October 10, 2020 Yes, that one fan needs to be replaced. If it spins but does not register a speed, there is a good chance the tachometer wire is broken. If you have a PWM splitter (4+3) handy, you may be able to gain control by putting the defective one on the splitter end with 3 pins. It will run the same speed as the one on the 4 pin and you will have control as a pair. Link to comment Share on other sites More sharing options...
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