Closing this bug with Won't fix as Hardy is no longer supported. Please feel free to open a new bug report if you're still experiencing this on a newer release (Bionic 18.04.3 / Disco 19.04) Thanks!
** Changed in: linux (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/235391 Title: Compaq Presario C700 Series (C756A) brightness controls do not function. Status in linux package in Ubuntu: Won't Fix Bug description: Compaq Presario C756CA laptop (from the C700 series) -- LCD Brightness controls (brighter/dimmer) keys do not function. See attached HAL dump. in Ubuntu Hardy (8.04) -- Kernel -- Linux 2.6.24-17-generic #1 SMP Thu May 1 14:31:33 UTC 2008 i686 GNU/Linux To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/235391/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp