ubuntu系统(华硕笔记本)屏幕亮度用Fn控制的调节设置

亲测配置:

系统:Linux lite 3.2 x86_64(Ubuntu其他版本可参考修改)

笔记本:华硕(asus)1201N

达到的效果:

可以正常使用Fn+F5调暗,Fn+F6调亮.

设置步骤:

  • 修改/etc/default/目录下文件grub

将15~16行内容:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

修改为如下内容

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux"
GRUB_CMDLINE_LINUX="acpi_backlight=asus"

备注:上面asus是华硕(我的笔记本电脑是华硕的品牌)

  • 在终端输入命令
sudo update-grub
  • 重启电脑

附:修改后的grub文件:

# 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=saved
#GRUB_DEFAULT=0
GRUB_SAVEDEFAULT=true
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR='Linux Lite'
#GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
#GRUB_DISTRIBUTOR=`lsb_release -d 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux"
GRUB_CMDLINE_LINUX="acpi_backlight=asus" # Linux Lite Grub background
GRUB_BACKGROUND="/boot/grub_linux_lite.png" # 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"

  

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