Linux'ta klavye ışıklarını manuel ayarlamak

smbios-keyboard-ctl -i
smbios-keyboard-ctl --set-mod

Libsmbios version : 2.4.3
smbios-keyboard-ctl version : 2.4.3

 Capabilities of KeyBoard Illumination on your system:
-------------------------------------------------------------------
ERROR: Could not execute SMI.

Common problems are:

    -- 'SMM Mitigations' is enabled in BIOS setup.
        Run kernel 4.15 or later with
        dell-smbios-wmi enabled.
         or
        Disable 'SMM mitigations' in BIOS setup.

    -- Insufficient permissions to perform operation.
       Try running as a more privileged account.
          Linux  : run as 'root' user
          Windows: run as 'administrator' user

    -- dell-smbios-wmi driver not loaded
       Try loading the dell-smbios-wmi driver
          Linux : modprobe dell-smbios-wmi

    -- Call filtered by Linux kernel
       Some functionality is natively supported
       by the Linux kernel

    -- dcdbas device driver not loaded.
       Try loading the dcdbas driver
          Linux  : modprobe dcdbas

Setting USER Selectable Keyboard Mode
ERROR: Could not execute SMI.

Common problems are:

    -- 'SMM Mitigations' is enabled in BIOS setup.
        Run kernel 4.15 or later with
        dell-smbios-wmi enabled.
         or
        Disable 'SMM mitigations' in BIOS setup.

    -- Insufficient permissions to perform operation.
       Try running as a more privileged account.
          Linux  : run as 'root' user
          Windows: run as 'administrator' user

    -- dell-smbios-wmi driver not loaded
       Try loading the dell-smbios-wmi driver
          Linux : modprobe dell-smbios-wmi

    -- Call filtered by Linux kernel
       Some functionality is natively supported
       by the Linux kernel

    -- dcdbas device driver not loaded.
       Try loading the dcdbas driver
          Linux  : modprobe dcdbas