Hi, As the Dell Optiplex 390 is using Intel H61 Chipset it's not possible to set it to AHCI. Check the datasheet at http://www.intel.com/content/www/us/en/chipsets/6-chipset-c200-chipset-datasheet.html - page 51.
@robert: This bug is about a not recognized dvd-drive, not the hdd. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/794642 Title: [Dell optiplex 390][SFF] Dvd drive not recognized by system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/794642/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs