Linux

  1. Bug #765438
  2. Comment #82

Comment 82 for bug 765438

Revision history for this message
Terry Jones (terryjones28056) wrote : Re: On startup, the backlight is off on laptop

Thanks czonzalez this worked perfectly:

"then you have to add to kernel boot parameters:

acpi_backlight=vendor
i915.invert_brightness=1

you can make them permant by editing /etc/default/grub , editing this line:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor i915.invert_brightness=1"

then run:

update-grub2

now you have your brightness working as on kernel 2.6-idontremember..."