X399 Fatal1ty blinking power light while off

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   The computer works just fine. I can boot to both Linux (main) and Windows (for games). When I shut down the computer, the power light blinks about once per second until I turn it back on again.

If I cut the power to the PSU, the light stops blinking and doesn't start again after restoring power until the computer has started at least once.

I never suspend/sleep and tried to disable suspend to RAM in the BIOS but it made no difference.

I have no USB devices plugged in that were not plugged in before this started happening.

This is a new problem. The power light is absurdly bright so it's really obvious and not something I could have ignored before.

I could unplug the light to stop the annoyance, but I'm worried that there's a hardware problem of some kind. What should I investigate?

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Sydius Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 16 Nov 2017 Status: Offline Points: 15	Post Options Post Reply Quote Sydius Report Post Thanks(0) Quote Reply Topic: X399 Fatal1ty blinking power light while off Posted: 18 Nov 2018 at 1:48am
	The computer works just fine. I can boot to both Linux (main) and Windows (for games). When I shut down the computer, the power light blinks about once per second until I turn it back on again. If I cut the power to the PSU, the light stops blinking and doesn't start again after restoring power until the computer has started at least once. I never suspend/sleep and tried to disable suspend to RAM in the BIOS but it made no difference. I have no USB devices plugged in that were not plugged in before this started happening. This is a new problem. The power light is absurdly bright so it's really obvious and not something I could have ignored before. I could unplug the light to stop the annoyance, but I'm worried that there's a hardware problem of some kind. What should I investigate?

Sydius Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 16 Nov 2017 Status: Offline Points: 15	Post Options Post Reply Quote Sydius Report Post Thanks(0) Quote Reply Posted: 18 Nov 2018 at 1:51am
	Oh I did also try resetting the CMOS by hitting the reset button on the motherboard. It did reset everything, but did not fix this problem.