Lenovo T440s가 최대 밝기로 시작됩니다. 이 스레드를 따라 변경하려고했지만 rc.local작동하지 않습니다.
명령을 실행 cat /sys/class/backlight/acpi_video0/brightness하면 출력이 나타납니다 851. 그런 다음 핫키를 통해 수동으로 밝기를 낮추고 명령을 다시 실행하면 여전히 표시 851됩니다.
이것은 단순히 명령을 추가하여 이런 식으로 밝기를 제어 할 수 없다고 믿게합니다 rc.local.
내가 시도 할 수있는 다른 것이 있습니까?
그럽 내용 은 다음과 같습니다
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT="0"
GRUB_HIDDEN_TIMEOUT="0"
GRUB_HIDDEN_TIMEOUT_QUIET="true"
GRUB_TIMEOUT="2"
GRUB_DISTRIBUTOR="`lsb_release -i -s 2> /dev/null || echo Debian`"
#GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
GRUB_CMDLINE_LINUX=""
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL="console"
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE="640x480"
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID="true"
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"
GRUB_DISABLE_OS_PROBER="true"
rc.local내용 은 이쪽
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
#echo 2 > /sys/class/backlight/acpi_video0/brightness
#echo 2 > /sys/class/backlight/intel_backlight/brightness
#xrandr --output eDP1 --brightness 0.3
rfkill block bluetooth
#echo 3 > /sys/class/backlight/thinkpad_screen/brightness
exit 0