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  1. 04-25-2022 01:53 AM #1
    AvonNova
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    Z690 usb power when off

    I have a new Z690 motherboard that I just installed. I noticed that the USB ports still seem to be powered and the LEDs on the motherboard are still active when powered off. Is there any way to change this? I looked in the BIOS but couldn’t find an option.
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  2. 04-25-2022 04:33 AM #2
    RogScott
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    Quote Originally Posted by AvonNova View Post
    I have a new Z690 motherboard that I just installed. I noticed that the USB ports still seem to be powered and the LEDs on the motherboard are still active when powered off. Is there any way to change this? I looked in the BIOS but couldn’t find an option.
    Look under Advanced/Onboard Devices Configuration. There are options there to control USB power and LED when in sleep/off states.
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  3. 04-26-2022 01:40 AM #3
    AvonNova
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    Quote Originally Posted by RogScott View Post
    Look under Advanced/Onboard Devices Configuration. There are options there to control USB power and LED when in sleep/off states.
    Thanks! I don't know how I missed that.

    One weird thing is that the sleep, power off, etc. mode keeps getting reset. I changed it to Stealth Mode to turn off all LEDs, but it resets to Aura Only. Is something overriding this value, like Armoury Crate or Corsair iCUE?
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  4. 04-26-2022 11:47 AM #4
    AvonNova
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    As it turns out, disabling the USB power doesn't work. I have it disabled, but my USB headphones are still getting power.
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  5. 04-26-2022 11:54 AM #5
    ahfoo
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    Quote Originally Posted by AvonNova View Post
    As it turns out, disabling the USB power doesn't work. I have it disabled, but my USB headphones are still getting power.
    After disable the USB power, restart your system and turn it off. Unplug your power cord connected to your power supply for couple of minutes (10mins). Now connected your power cord to the power supply see if the problems occur again.
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  6. 04-26-2022 01:49 PM #6
    AvonNova
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    As it happens, after I noticed that problem, I had my PC unplugged for a while yesterday to work on it. I tried it again today, and the problem still occurs. If I unplug the power for a while and then plug it back it with the main power on, the USB ports don't have power. But if I turn the PC fully on and then shutdown, the USB ports still have power.

    My BIOS version is 0604.
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  7. 04-26-2022 01:54 PM #7
    DragDay7
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    Try enabling ErP ready in bios - Advanced> APM.
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  8. 04-26-2022 04:08 PM #8
    AvonNova
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    Enabling ErP worked. As I saved the change, it also showed that my sleep state was reverted to Stealth Mode. Thanks for the help. It's not a huge deal but there is no reason to waste the energy.
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