Automating keyboard backlight switching.


  1. Posts : 3
    Win 10 Pro 1903
       #1

    Automating keyboard backlight switching.


    Hi.
    I have a Perixx 324 keyboard with backlighting. Fn+Home keys toggle the lighting.
    When my computer boots-up, the keyboard backlighting lights up. Thatís good.
    When I close down the computer, the backlighting remains on. Thatís not so good.

    I have a shortcut to shut the computer down. What can I add to the code to operate the FN+Home keys so that the backlighting turns off.
    The coding in the shortcut is

    C:\Windows\System32\cmd.exe /c shutdown /s /f /t 0

    Or can you tell me another way to operate the backlight off command when I shutdown without having to use the Fn+Home keys?
      My Computer

  2. Try3's Avatar
    Posts : 7,435
    Windows 10 Home x64 Version 20H2 Build 19042.868
       #2

    Backlighting uses utilities provided by the keyboard maker so you'll need to ask them how to control it.

    Denis
      My Computer


  3. Posts : 3
    Win 10 Pro 1903
    Thread Starter
       #3

    Solved.
    I enabled ErP in the BIOS. This disables wake-up by keyboard or mouse. I don't use sleep mode. I presume this turns off power to the USB ports after shut-down.
    Nick
      My Computer

  4. Berton's Avatar
    Posts : 10,512
    Win10 Pro Versions 2004 and 2009/20H2, Win10 Pro IP_Dev, Win10 Home 1909
       #4

    nicknike said:
    Solved.
    I enabled ErP in the BIOS. This disables wake-up by keyboard or mouse. I don't use sleep mode. I presume this turns off power to the USB ports after shut-down.
    Nick
    Most likely that was the issue. The usual shutdown of a modern computer still keeps power to the motherboard and in turn to the USB ports, useful for charging SmartPhones but not so much for what you saw. Doing a hard shutdown by holding the power button in for 6-10 seconds after Windows seems to be off usually works.
      My Computers


 

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