There's no code in Ubuntu which can change the brightness on HP laptops. Are you able to manually change the brightness when it automatically changes? If so, do these changes "stick"?
** Changed in: acpi-support (Ubuntu) Sourcepackagename: acpi-support => linux-source-2.6.15 -- monitor dim/brighten reversed (HP Pavilion dv8220ea) https://launchpad.net/bugs/54095 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
