ThomKarnel Posted May 25, 2021 Share Posted May 25, 2021 Sometimes when I boot up my PC both fans will run no problem. Both fans will be recognised by my icue software and everything will be fine. Other times I boot it up and they will both run initially, but when I get past the windows lock screen the top fan stops running and is not recognised in the icue software. RGB is still working on both fans and can be customised on both. But the upper fan is not shown as a fan in the cooling section, it doesn't spin and I don't know why it's happening only sporadically. I've tried updating the firmware, and restarting the software. But so far the only solution I've found is to restart the PC entirely and hope it works the next time I boot it. Link to comment Share on other sites More sharing options...
c-attack Posted May 26, 2021 Share Posted May 26, 2021 The Commander Core uses an auto-detect feature for its PWM fans and won't power on if it things the header is empty. If there is an issue with the fan connector or wire, it might sporadically detect it. You could check this by.. 1) Moving the misbehaving fan to a different PWM header on the Com Core (they do not need to be sequential); or 2) checking in on a motherboard or other fan control. A fan with an issue is likely to have an issue there as well. You also might start a support ticket with Corsair to get the things moving. Link to comment Share on other sites More sharing options...
Corsair Employee Corsair Johan Posted May 27, 2021 Corsair Employee Share Posted May 27, 2021 I would recommend you to create a ticket with our support and they would be able to help you. https://help.corsair.com/hc/en-us/requests/new Link to comment Share on other sites More sharing options...
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