Just solve my problem. I went to the speaker icon placed above in the right, besides the clock --> Right click --> Open volume controls --> Conmuters flap --> Disabled External Amplifier.
Regards, ** Attachment added: "Volume control Properties window" http://launchpadlibrarian.net/10770154/Volume%20control%20Properties%20window.png -- No sound on Gateway Laptop 4256MX https://bugs.launchpad.net/bugs/174459 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
