参考：https://bbs.deepin.org/zh/post/215674
sudo gedit /etc/default/grub
把GRUB_CMDLINE_LINUX_DEFAULT="splash quiet"
改成了GRUB_CMDLINE_LINUX_DEFAULT="splash quiet acpi_backlight=vendor "
sudo update-grub
重启进入系统，出现如图错误：
图片上传不了，报错如下：
[0.484645] ACPI BIOS Error (bug): Could not resolve symbol I_OSI], AE_NOT_F
OUND （20190816/psargs-330）
[4846571 ACPI Error: Aborting method _SB.APAD.STA due to previous error
（AE NOT_FOUND）（20190816/psparse-531）
[ 0.489891] ACPI BIOS Error (bug): Could not resolue sumbol [A_OSI1, AE_NOT_F
OUND （20190816/psargs-330）
t o.4898961 ncPi Error：hborting method 、SB.APAD.STA due to previous error
（AE HOT_FOUND）（20190816/psparse-531）
[ 0.4914911 nCPI BIOS Error (bug): Could not resolue symbol [_OSI1, AE NOT_F
OUND (20190816/psargs-330)
t e.4914961 hcPi Error：hborting method 、SB.APAD._STA due to preuious error
(AE NOT FOUND) (20190816/psparse-531)
[ 0.5020151 ACP1 BIOS Trror (bug): Could mot resolue sumbol [A_0SI1, AE NDT_F
OUND （20190816/psargs-330）
t o.5020201 ACPI Error：nborting method 、SB.APAD._STA due to preuious error
（AE NOT_FOUND）（20190816/psparse-531）
(20190816/dspkginit-440)
310
0.8576741 ACPI Error: AE NOT FOUND, While resoluiu
IT a named reference
1.230785]
NMI watchdog: Watchdog detected hard LOCKUP on cpu @
I uatchdog: Watchdog detected hard LOCKUP on cpu
1
1.2307861
NNI
uatchdog: Watchdog detected hard LOCKUP on cpu
1.230786]
NNI
系统版本：Linux version 5.4.0-96-generic (buildd@lcy02-amd64-007) (gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu118.04)) #10918.04.1-Ubuntu SMP Thu Jan 13 15:06:26 UTC 2022
哈哈，估计是系统挂了，崩溃了啊，安全模式能进入吗