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Thread: Teensy continues flashing when PC is shutdown

  1. #1
    Junior Member
    Join Date
    May 2020

    Teensy continues flashing when PC is shutdown


    I am a new Teensy 3.6 user, running it successfully with an octo 2811 to run addressable LED's on a spin cabinet. When I shut down the PC, the teensy continues with the slow "double-flash", I guess it could be called. I've went as far as disabling the fast load option in the windows power options, but don't see any other options related. I'm running a ASRock Z97 Extreme4 motherboard.

    Thanks in advance.


  2. #2
    Senior Member
    Join Date
    Jan 2020
    Maybe you've set in the UEFI: USB Keyboard/Remote Power On to "enabled" to allow the system to be waked up by an USB keyboard or remote controller.

    This switches the USB+5V to standby 5V to be able to fire up the system with a keystroke.

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