Linux

  1. Bug #765438
  2. Comment #2

Comment 2 for bug 765438

Revision history for this message
Sergey Kovalev (kovalev-s) wrote : Re: On startup, the backlight is off on laptop

Another workaround:

Add "acpi_osi=Linux" in your boot options. For example, modify /etc/default/grub like this:
GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash acpi_osi=Linux”
then run update-grub and reboot.

After boot you will be enable to change backlight power with notebook hardware keys.