More info : after a while, il noticed that the problem only happens after rebooting from Windows. A reboot from Ubuntu, or a fresh start is fine. Not sure this can help solve the problem, but I've got my workaround.
-- No headphone output after BIOS upgrade (A05) on Dell Latitude E6510 https://bugs.launchpad.net/bugs/638152 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
