Your headphones might be muted. Please run the alsamixer program (type alsamixer in terminal) and see if you can control the headphone volume there.
Simple mixer control 'Headphone',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 64 Mono: Front Left: Playback 0 [0%] [-48.00dB] [off] Front Right: Playback 0 [0%] [-48.00dB] [off] -- Audio not audible on hearphones https://bugs.launchpad.net/bugs/415034 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