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ML140 Fans do not light up on start 20% of the time


wpheiff
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This is extremely frustrating. My corsair ML140 fans light up about 80% of the time, but there is a non small chance they do not light up at all until I reboot. The second I turn on my computer (before post), they fans turn, but no LED. This is happening before windows loads. I have read about conflicts between LINK/iCUE and evga XOC precision, but like I said, this is before either software loads. I am well under power consumption on my rig (~450W out of 650). The fact that these light correctly 80% of the time make it seem to me they are configured/hooked up correctly. I don't think these are defective, as I bought a 3 pack of ML120s, and a single 140, and all 4 do not light up when they do not light up. Any thoughts?
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Before the software loads, you have no control and neither do the fans or software. iCUE currently does not support "hardware playback" for the ML and HD fans the way Link did. I would really like that to change, but I suspect the complex lighting layers make that more difficult. Regardless, the expected behavior on boot is either 1) Dark; 2) Annoying spiral rainbow; 3) A mix of both. My rear fan likes to rainbow. I kind of wish we could just get dark across the board.

 

Aside from that, are you having issue on the desktop with iCUE running? Can you add in more hardware details about the lighting configuration (Lighting node pro or Commander Pro, number of ML-RGB fans, etc.)?

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The reason this is so frustrating is they will not light up no matter WHAT I try unless I reboot. If they are off when I boot, they are not coming back on. I have tried disable/reenabling all the USB hardware devices in windows, and a few other things. Either the Lightning Node Pro is completely missing from Link/iCue when they dont light up, or it's present and the fans are not recognized, or they simply dont respond. I'm using 3 ML120 RGB fans, 1 ML 140 RGB fan, and a lightning node pro. I've tried Link and iCue - same issue on both.

 

Edit: If your fans are dark on boot, do they light up when Link/iCue starts? Maybe that is what is not working for me?

Edited by wpheiff
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If your LNP does not show in Link/iCUE when you boot up and the software starts, that is most certainly going to cause issues like what you are describing. Unfortunately, this USB stuff can be really tedious. Obviously if you have a second internal USB 2.0 header, try that. Other common things to try are disabling your BIOS Fast boot, enable legacy USB support, and Enable XHCI handoff. That is not my area of expertise and hopefully someone else can walk you through it, if needed.
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