*** This bug is a duplicate of bug 438537 ***
https://bugs.launchpad.net/bugs/438537
Found a workaround for the 5810T:
Add the following to the GRUB_CMD_LINUX_DEFAULT entry in
/etc/default/grub: acpi_backlight=vendor
--
Acer Aspire Timeline backlight controls non-functional
https://bugs.launchpad.net/bugs/413078
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs