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Old 07-18-2018, 11:40 AM
bcauley bcauley is offline
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Join Date: Jul 2018
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I had a similar issue with my motherboard (ASUS Sabertooth Z170 S) and a CLNP. My issue would occur if I cut off all power to my computer (flipping to the off position of the PSU), upon restoring power and restarting the PC my lights refused to work without opening up the case and cycling power as you described previously. This wouldn't happen to me during a normal shutdown or restart.

I noticed that unplugging all USB devices from the back of my tower fixed the problem. From there I began plugging my devices back in and discovered that I had a device plugged into my BIOS Flashback USB port of my ASUS motherboard and it was causing the problem. Once I avoided using that USB port I had no more issues. I don't know if this would also apply to your motherboard since it is the same brand but I would imagine it is worth a try.

Good Luck,

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